Your Brain is the Worst Investor in the Room — ft. Scott Nations | Prof G Markets
1256 segments
Today's number, 67,000.
That's how many miles per hour the Earth
travels around the Sun. Astronomers
tried for centuries to understand the
sun, including where it goes at night,
but eventually it dawned on them.
Welcome to Prof Markets. Scott is still
away. He will be back on Monday, but we
have a great interview today. We have
been spending a lot of time this year
thinking about how to invest in 2026.
We've been hearing the bull case. We've
heard the bear case. Still, it is hard
to know what to think. So, today we are
talking to someone who spent his whole
career studying this stuff. He's also
written a book on how to invest in
uncertain times. He's also written
another book about US market crashes.
So, we're very excited to speak with
him. We're going to get into it now.
This is our conversation with Scott
Nations, president of Nations Indexes
and author of The Anxious Investor.
Scott, thank you very much for joining
me on Profy Markets.
>> Thanks for having me.
>> So, a lot we want to get into here. I
want to start with some concepts from
your book and then I want to sort of
think about how we can apply these ideas
to markets and how we can think about
investing in 2026. But let's just start
with your book. Uh the opening line from
the anxious investor is quote the human
brain is ills suited for making wise
investment decisions. I love that. Why
why is the human brain so bad at making
investment decisions?
>> The simple uh explanation is that
investing is relatively new and
evolution is not. And so uh human beings
evolved when they faced very different
decisions uh versus you know what should
I do with my portfolio or that sort of
thing and let's face it that for a
100,000 years when humans were on the
savannah
uh they they had to become loss averse
or risk averse two different things but
they're related because the the cost of
making the right decision or the benefit
for making the right decision decision
would be relatively small. You might get
that night's meal, but the cost of
making a wrong decision could be
catastrophic.
And so, we've evolved and we've been
socialized in ways that just are not
really compatible with making great
investment decisions. And as I was
writing the book and researching the
behavioral
uh biases that we all display, uh it
dawned on me that of the 14 or 15 I talk
about in the book, none of them, not a
single one, Ed, makes you a better
investor. They all make you uh a poorer
investor. They all hurt investment
returns. And so that's why that is the
case because these biases were created
hundreds of thousands of years ago in
some cases. Uh but unfortunately
investing is relatively new.
>> The piece of data that you point out and
this is from Vanguard which I find
fascinating is that behavioral biases
these biases that you talk about on
average they reduce returns by 150 basis
points per year. So that's minus one and
a half% because of whatever these
evolutionary behavioral biases built
into the human brain are. Um what are
some of these biases? You mentioned loss
aversion, risk aversion. What are some
of the the really bad ones that screw
investors up the most?
>> There are a couple that are just
particularly fascinating to me. Now, I
spent 25 years as a proprietary option
trader at the Chicago Merkantail
Exchange. So, trading for my own
account, trading for my firm's
proprietary account. And so, I've seen
all of these biases in action. I will
say this, one of the ones that uh as a
proprietary trader, you have to really
disabuse yourself of straight away is
the disposition effect, and it's one of
the most insidious, but also common
biases. Let's define our terms and the
disposition effect is the tendency that
all investors have to sell their winners
and hold their losers.
>> And uh there is some research which
quantifies the the loss that most
investors experience uh by falling for
this that is by sell by selling their
winners and holding their losers. And
the reason I say it's insidious is
because it's so easy to rationalize what
you're doing. You're looking at your
portfolio. You want to sell something to
raise some money. And so you say, "Well,
this this one's done really well, so I'm
going to sell it, and I'm not being
greedy. Pat myself on the back. I'm not
going to be greedy, so I'm going to go
ahead and take my big win there." On the
other hands, you may be looking for
something. And you say, "You know what?
This one's a loser. It hasn't done very
well, but again, pat myself on the back.
I'm going to be patient. I'm going to be
patient, and so I'm going to hold on to
my loser." But Professor Terry Odin at
Cal Berkeley is the one who's quantified
the damage does to your portfolio and he
shows uh that over time the winners that
you sell will outperform the losers that
you hold. What about if it could happen
the other way where maybe I mean I I
don't know if this is a bias that
affects investors as much as perhaps the
disposition effect but you know oh the
line's going up therefore it must be
continuing to go up forever as an
example or the line's going down and so
oh no that that's a bad thing that's a
red flag. Is that another bias that that
we see in the markets or is that less of
a problem? That is certainly the case
and there are several biases at work
here. One is say availability.
So if you hear about the fact that uh
for example Google just became uh a $4
trillion company market cap wise. Well
that was in the news. So now if you're
looking to buy something Google will be
top of mind for you
>> whether or not it's you know had a
really great run and you think oh it's
top of mind so I'm going to buy it. And
so of that is certainly the case. But
there are other uh biases that kind of
intersect here. One would be hurting.
Investors love to buy what everybody
else is buying. Uh in the pit, you learn
that that's absolutely the wrong way to
go. But investors love to buy what other
people are buying. So, if they're piling
into meme stocks like AMC or GameStop or
Google or something else, it's done
really well, then they love to to get
into it. They love to follow the herd.
There's a social aspect to it,
particularly with meme stocks. And so,
those are all biases that will
ultimately generate inferior returns.
One of the biases that you talk about
which I find really interesting is this
idea of fantastic objects as fantastic
about PH. And basically this is this
idea that people will buy stocks not
necessarily because this it's a good
stock or because they've looked at the
financials or whatever it is but because
they want to feel connected to the
people who are behind that stock. So the
example would be like in the '9s you're
buying Apple cuz you love Steve Jobs and
you want to feel some sense of
connection to Steve Jobs. Um can you
talk more about this one? I find this
fascinating and are we seeing this
today?
>> You've explained it perfectly. It is a
situation where people investors
are enamored of some well-known founder
or business executive. U often they're
iconoclastic.
uh they're often a little bit outside
the box. They break the mold a little
bit uh in 1999 in that period. Uh Steve
Jobs, Bill Gates would have been the two
perfect examples. Uh and yeah, people
buy either the product or the stock
because they get this sense that in
doing so, they're closer to physically,
emotionally, socially closer to Steve
Jobs or Bill Gates. And so they they buy
the product, they use the product, or
they buy the stock. And obviously,
Bill Gates wants you to buy a Windows
computer. He wants you to use Windows.
He wants you to use a bunch of Microsoft
software, but he doesn't know that
you're doing that. He doesn't know that
you own the stock. Not certain he
particularly cares about that at this
point, but people do fall for that. And
the poster child right now would be Elon
Musk. He is he's in the news. He's a
kind of classic. He does things very
differently. Marches to his the beat of
his own drummer. Uh whatever you want to
say about him, but you know, he builds a
neat car and people feel like if they
buy a Tesla, they're a little bit closer
to him in sympathy with him. And often
they feel the same thing about the
stock. If they buy Tesla stock, then,
you know, maybe it's the Peter Lynch
thing from so many decades ago.
You know, I it's it's what I'm buying
what I know. Well, you don't really
know. uh but you you like the story and
that's fine and so you buy the stock.
One thing that's so difficult about
markets and about investing. I mean you
those those people who are buying Tesla
stock because they like the story
because they like Elon Musk they want to
feel close to him which I think is
definitely true and I think it is a
problem but they've been rewarded at the
same time. They've done pretty well if
you were a big fan of Elon Musk and then
it turns out a lot of people are a big
fan of Elon Musk even if that is the
primary force driving the valuation of
the company. Um, I'll get hate for
saying that, but let imagine it is.
You're still being rewarded. And I guess
this is the thing that I struggle with
markets is it's all stories in a lot of
ways. I mean, stories are what drive
markets. Stories are what drive uh
valuation. I mean, there's obviously
fundamentals, too, but increasingly
stories seem to be what determine price.
And so it sounds like part of the idea
of eliminating your biases is to
eliminate your susceptibility to
stories. But at the same time, that's
the whole ball game. So how do you think
about these concepts? How do you think
about the difference between I guess
narrative versus numbers? Which wins in
which situations? How should I think
about stories when I'm investing?
>> Sure. It's easy for an investor to say,
I I don't it doesn't matter why. Uh
yeah, maybe I am falling for this and I
buy Tesla stock because for all the
wrong reasons that Scott's just
enumerated. Uh but it works. I'm not the
only one. And if I'm not the only one,
and the same could be true for, you
know, GameStop during the meme phase, uh
I can make a bunch of money. And isn't
that where isn't that really what
matters? And that's absolutely true. And
um you know I remember being in the pit
and there were times when you knew the
pit was all one way and it didn't really
matter what the next print was 60
seconds later. If you know which way the
pit is leaning, then that's half the
battle. Um and and so it's easy to say,
well, you know, yeah, maybe it's crazy
to buy Tesla stock because Elon is a
kind of classic, but if it works, it
works. The the problem is that it works
until it doesn't.
>> Yes.
>> And then when it doesn't, we still hold
on too long because we have confidence
in the company or or the founder. And we
hold on. We hold on. We hold on. and we
go through a series of stages a little
bit like the Kubler rust stages stages
of grief and it's only when we've gotten
disgusted with ourselves that investors
pull the plug cell and that's often at
the bottom. So, you know, you there's no
way you can look at Tesla
and explain away the the premium that
that stock brings, the multiple that
that stock demands compared to the rest
of the world automotive business. So,
you know, if you want to buy it because
you love Elon, then okay, go ahead. But
I think you're setting yourself up for a
dynamic that will not work out in the
long run.
>> Yeah. I mean it seems as though because
of these biases and because you know I I
think the example of okay Google's in
the news a lot. I'm thinking about
Google more and now I'm inherently
biased towards Google just because of
this kind of arbitrary
uh fact which is I've been reading about
it a lot. I keep on seeing the name. Um,
it makes me think that we can't quite
trust our instincts or maybe instance is
the wrong word, but we can't quite trust
our brains all the time. Um, we can't
trust our view at any given moment. And
that leaves us with the question of
okay, then what should we trust? Um, and
I I guess I would put that forward to
you as a a highly experienced investor
and also as as a trader, someone who has
been in the pit, who's been in this game
for a long time.
What do you trust then if you can't
quite trust yourself? Or maybe there's a
way to trust yourself? Who are you
supposed to trust if you can't rely on
your own brain? I think one thing to do
is to develop a process, tweak the
process, and then when the process
works, tweak it a little bit more,
improve, but but start to rely on the
process. And you hear you hear
professional athletes talking about this
all the time. And so if your process is,
oh boy, Google just became a $4 trillion
company. Let me buy a 100 shares. Well,
that process probably needs more than a
little tweaking.
>> Yes. But uh you know Warren Buffett
probably put it most succinctly when he
says that in the short term the stock
market's a voting machine. Lately people
have been voting for Google. They've
been voting for Tesla. But in the long
term it's a weighing machine. That is
its objective. You know, if you were to
ask somebody to name,
say, the, you know, 20 companies in the
S&P 500, there'd be tremendous overlap
between the the the stocks that
everybody names, and they're either the
biggest stocks or the ones that have
been in the news. But, you know, that
leaves about 480 stocks that may be
great investments that just don't get
any attention that people just ignore.
And if you're going to limit your
your investment universe to a tiny
fraction of things that are available,
then doesn't it seem like you're going
to underperform from somebody versus
somebody who's looking at the entire
universe of stocks?
We'll be right back after the break. And
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>> We're back with Profy Markets. Just
thinking about herd mentality for a
moment, which you brought up as, you
know, one one of these biases.
How do you
counteract that bias? Uh I struggle with
this one because you know at the same
time
you you want to be informed by people.
You want to have a broad understanding
and a a broad base of knowledge. You
want to understand what's happening. So
you want to be listening to other people
but at the same time you don't want to
be following other people just because
that's what other people said. You don't
want to just be the sheep in the herd.
So as an investor and as a trader um how
have you experienced that bias
throughout your career? Um and are there
any processes you you employ to prevent
falling susceptible to that?
>> This goes handinhand with another bias
and that is availability.
So people tend to and this is related to
some of the other biases we've talked
about already. If a potential investment
is available to you, available to your
mind, your memory, then you're going to
tend to invest in that. And so, you just
have to ask yourself, I think you just
have to have a fearless conversation
with yourself. Why?
>> Yeah.
>> Why is this top of mind for me right
now? Uh, is it because my next door
neighbor or the guy across the street or
somebody else mentioned it or I saw that
it has rallied a bunch? uh is that why
it's available to me or is it available
to me because I think given the news
that oil field services companies are
going to do well and then I look at the
top two or three or four oil field
services providers and that's a very
different process.
>> Yeah.
>> And so I think you have to again tweak
your process but also be honest with you
why why am I thinking about this now?
Why am I doing this now?
>> Yeah. And if you can have that
conversation with yourself, then I I
think you're going to end up being a
better investor.
>> I do think this is also applicable to
life in general. It does seem as though
we can't quite trust our emotions from
any moment to to another. And so the
only real way to get anywhere is to have
some process or maybe some list of
values or some set of principles that
you always return to and then you can
sort of figure out whether this is the
right decision or the or the wrong one
based on what you've already written and
thought through uh on your own. So I I
do think it's it's great advice. I just
um want to think about how this all
applies to the year 2026
where I mean it we're going to see a lot
of these forces at play. I'm I'm going
to just list a few of the forces that I
think are going to be big this year
um and which happen to be uh subjects on
which you are an expert. So one is
extreme volatility. This is something we
saw in 2025. if we had liberation day
among other things that is likely to
continue. Uh two, a potential bubble.
This has been a big topic of
conversation that we've been debating
with various people on this podcast over
the past 6 months or so. Three, uh an
explosion in options trading,
specifically zero day options trading,
which we can get into. Also, an
explosion in retail trading and what
that might do to markets. And then uh
finally I would I would add into this
the arrival of prediction markets which
kind of became sort of a big deal but
now they appear to be a really big deal.
There are more but I mentioned these
ones because you're an expert in all of
them. You run a volatility index firm,
you're an options trader, you've written
about bubbles, you've written about
crashes. um which forces are the most
significant in your mind right now and
how do you see it playing out in 2026?
>> The one that's going to be most
important to most people is the second
thing you mentioned and that's the AI
investment thesis. I don't know if it's
a bubble yet, but let's let's let's try
and run down and I'll be real quick with
each one. So, extraordinary volatility.
We saw that in April surrounding uh
Trump tariffs. Uh markets been very
quiet the last was very quiet the last
half of 2025. We know it doesn't stay
that way. Volatility and when I talk
about volatility I generally mean uh
both implied volatility that is the cost
of options how risky option traders
think the next 30 or 60 days are going
to be and then realize volatility how
much the market actually bounces around.
So hasn't bounced around very much. Uh
it's done really well uh more or less
straight up. S&P gained about 17% last
year. Um so this is one of those things
that um it will stay quiet until all of
a sudden it doesn't. And there's a
really geeky word about volatility. Uh
volatility is heteroscadastic
meaning it'll stay low for a while and
then some shock will come along and it
will jump and it will stay high for a
while. the shock and the jump is going
to happen uh tomorrow. Don't know next
month. Is it next year? We don't know.
Uh but people have to be uh have to have
a portfolio that can weather that sort
of thing that's not overly uh not overly
aggressive. I'm interested to hear why
we've seen this transition in in in
volatility over the past year. I mean we
we had a very volatile first half of the
year um primarily due to the tariffs and
then gradually as you say it becomes
less volatile and actually what we're
experiencing now are some pretty big
geopolitical events political events
that you would think would royal
investors would would spark some
activity in the markets spike some
volatility
um but in many cases that isn't
happening and one thing that we've been
discussing this week. For example, this
criminal investigation into Jerome
Powell, which had a reaction from
markets, but less of a reaction than one
might expect in previous years, for
example. As a volatility expert, I just
want to get your views on why this is
happening. Um, is it maybe the
toxification of markets? Why is it that
we're seeing less volatility today?
Well, and I think another perfect
example is the incursion into Venezuela.
>> Yes.
>> Uh when I read about that, it was on a
Saturday morning. I thought, "Oh boy, I
got to watch the futures markets open on
Sunday night." And uh the
lack of volatility was really was really
staggering. It really was. Why is that
happening now? I think people have just
gotten inured to the fact that even if
markets sell off, dip buyers will come
in.
>> And among some of the people who just
blindly come in to buy stocks when
they're down, it's buy the effing dip.
And that's worked. It's worked for
years. It worked uh after CO. It worked
this April. And so I think people,
they're just fearless. They're fearless
now. uh and we have to unfortunately we
have to learn these lessons all over
again. Uh we will have some sort of ugly
debacle uh and stocks will probably fall
20 to 25% from their highs and it's only
then that people will learn the lesson.
Oh yeah, you know this does happen. You
know markets don't go straight up. I
shouldn't always buy the dip just
because I can buy the dip.
>> It's interesting because on the one hand
people seem to get very worried when
there's a lot of volatility. I mean the
VIX, it's literally people call it the
the volatility index, the fear index.
Like if there's a lot of volatility
happening, that's a bad thing. But on
the other hand, as you say, it's almost
more concerning if there's no volatility
in a situation like this because it
almost tells me people don't care or
they're not they're not even bothering
to price in whatever whatever downside
risk there might be as a result of
invading another country or threatening
the Fed chair with a with a criminal
investigation, whatever it might be. Um,
would you agree with that? I mean, one
thing that I I I often try to figure out
is why does it why is it important to
look at volatility and understand it?
How can it actually help us as
investors? I guess would you agree with
my framing that I just laid out? I would
but I would put it this way and I've
talked about this on Twitter uh for the
last say four or five years
when we've seen the price of options
spike that is implied volatility spike
and I'll try to do this without being
real geeky but there were times in the
past let's say two decades ago if we
have if we saw say the VIX spike um and
spike meaningfully it would take weeks
or months for it to come back to a more
normal level.
>> That's not the case anymore. There are
now so many people that are rushing in
to sell volatility that is sell options
whether it's for their own account or
one of these uh the mammoth uh number of
ETFs that are now engaged in volatility
selling that we're now to the point
where if the VIX spikes on Tuesday it's
going to be very very very close to
normal back to normal by Thursday or
Friday. just the the legion of people
who come in and sell these volatility
spikes uh because it's always worked in
the past. They want to sell options when
they're really expensive and and and
it's the first cousin to buy the effing
dip. Instead, this time they're talking
about sell the spike in VIX. Um and it
will work until it doesn't and some
people will really be hurt and that's
when we'll learn the lesson all over
again. We will get to the bubble, but
just continuing down this thread here,
this dynamic that you're describing of a
lot more this this huge inflow of
options traders who are trading off of
this volatility which is itself becoming
almost it's it's its own industry.
Something happens that gets people
anxious and you see a lot of movement
and activity and then people go in there
and try to scrape as much money as they
can. And we're seeing a lot of this in
the zero day options market which grew
to 59% of total options volume in 2025.
Um in other terms the these are the
shortest term options available to
traders. So I I guess I I as a as an
options trader what do you make of this
explosion in options trading that we're
seeing specifically really short-term
options? What does it tell you about the
state of the markets right now?
>> Yeah, I think there are let's say three
things going on that have that drive
this explosion in option trading. One is
that options can be a great tool and I
like to point out that you know if you
if you buy a stock or you short the
stock then you know your payoff profile
is it's a 45deree line. Uh on the other
hand, if you add options uh to some sort
of equity position, then you can create
superior completely different but
superior payoff profiles uh by combining
the two. And it it took a while for
people to really understand that and to
and to grasp that and to come on board.
Uh it also helped that all the the
online brokers now uh charge zero
commissions.
>> So if you were dubious before, uh you
have less reason to be dubious now. and
you might try your hand at option
trading. And then uh the the
gamification of zero DTE options. That's
an analogy to the meme stock craze. I'm
not a huge fan of zero DTE options
because of that. The things that really
make options a neat vehicle, they kind
of break down. Uh when you're talking
about zero DTE options, it's more of a
bet. It's more of a more of a
speculation. And I I understand why it's
happening and you can't ignore it, but
I'm not certain it's going to be good
for for very many people's portfolios.
>> Well, it seems that it it is another
part of the gambling trend at at large
in the stock market and in the options
market. I mean it seems as though
whether it's zero day options also
perpetual futures which we've been
starting to hear more about these these
basically no expiration date futures
where you can get like 20 to 100x
leverage and they're exploding right now
especially on decentralized exch ex
exchanges specifically in crypto
um and obviously we got the meme stock
craze obviously the prediction markets
as Well, um
are you concerned that this could lead
us to some I mean obviously a lot of
people are lead are losing money
probably on these trades is my
assumption but could this create
something larger is this a larger
problem than people perhaps think think
it is right now
>> yeah that's that's interesting so the
book that I wrote before the anxious
investor was a history of the US and
five crashes I write about the five
modern American stock market crashes.
And one thing I write about there is
that each one is is attended by a new
novel financial contraption that injects
leverage at the worst possible time. So
in 1987 was portfolio insurance. What
could be better than portfolio
insurance? Well, the way it was actually
executed was horrible because it just
drove the stock market nearly down to
zero. the guy responsible for running
portfolio insurance for the biggest
portfolio insurer at one point said,
"Nope, I'm going to stop because if I
sell everything I'm supposed to, I'm
going to drive the market down to zero."
That was his quote in in 2008. It was
mortgage back securities. So, are the
prediction mark could that be uh the
prediction markets this time? I'm not
sure they're going to have the
opportunity to get big enough to really
cause a problem, but um and you can say
what you want to about options or
futures, but uh when I became a member
originally of the Chicago Board of
Trade, they hammered home the point that
futures markets were there to help
people hedge risk. uh whether it's
you're a wheat farmer or you're flower
mill or you're an insurance company and
you need exposure to the S&P 500 or
whatever,
that's not going on with the prediction
markets. Nobody has a risk to hedge if
they want to bet on what happens in
Venezuela over the next 30 days. That
they don't have that. That's not a risk
that they need to hedge. And so it's
yeah it's gamification and
worries about insider trading abound
now. Uh worries that people are not
really reading the details of the
contracts. So they don't really
understand what they're betting on and
it's a bet. It's not an investment. It's
not a hedge. So I understand why people
are enamored because they're new and
these things are timely. They're
available. Uh they're salient. And so
the biases run away with us because now
we think we have an opportunity to
bet on something that's top of mind for
us. And our bias has run away with us.
What do you think about the fact that
they're now getting pretty significant
institutional backing? I think the most
important example would be
Intercontinental Exchange, which owns
the New York Stock Exchange.
they last year or earlier this year made
a $2 billion investment into Poly
Market. So when I look at what's
happening and the backing that we're
seeing of these platforms and you know I
feel like most of us agree that it's
gambling. I feel like most of us agree
that it's not really
investing or it's it's closer to
gambling than it is to investing. And
yet it does seem that we're all on board
that it's just gonna happen anyway. Do
you think that that is the case? I mean,
you don't want to infantilize
investors and say, "No, you're not
allowed to bet on stuff." But I don't
know. At the same time, there there
seems to be a lot of risk involved here,
a lot of downside, and people could get
burned. I mean, what do you make of the
fact that it seems that America has
decided this is fair game? we do this as
a society and as you pointed out we
don't want to tell people you we know
what's good for you. Uh, and so to the
degree that um somebody wants to make a
reasonable wager for entertainment
purposes on um on on Monday's national
title game, I'm like, okay. But to the
degree that um somebody tries to
convince us that we can fold uh
something on poly market about some
geopolitical event into a portfolio of
stocks and bonds, that's that may be a
bridge too far. What about um ICE
investing in poly market? You know, it's
it they think that there's something
there. They think it will continue to
grow. They may see other opportunities.
For example, there may be the
opportunity to do uh something that is
more strictly financial. Where will the
S&P 500 be at the end of the month? Will
the Federal Reserve cut rates uh before
the April meeting? For most people,
those are not hedges. And if you want to
hedge that, there are better venues than
a prediction market that's going to be
zero or 100 at the end of the day. And
that's why I say they're not hedges. If
it's zero or 100 at the end of the day
and there's nothing in between, that's
not a hedge, that's a bet. Uh and so ICE
sees some upside, they see some
opportunity. Okay? Even if you're not a
fan of crypto, uh you have to admit that
blockchain is a tremendous opportunity.
And so you might want to invest in a
blockchain company.
We'll be right back. And for even more
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We're back with Profy Markets. Let's
talk about the bubble. Uh the the
potential bubble.
um this has been kind of dominating the
conversation. What is your view on this?
Do you believe we are in a bubble? Are
we not in a bubble? Uh how do you think
it all unfolds in 2026?
>> If you've been paying attention in say
finance for the past 12 months, you know
that AI,
I was going to say has the capacity to
change things fundamentally.
I'll go further. I believe AI will
change things fundamentally in finance
in the next 5 years. Are we in a bubble?
In 1999, if you look at some of the
valuations for those internet
businesses, you know, a lot of them were
losing money and they were still trading
at 100, $200, $300 a share. Another
paper that I wrote about in my book is
in 1999 the average jump if somebody
just added com to their company name um
even if they had nothing to do with the
internet uh bobsplumbing.com
if it's publicly traded it would tend to
jump the next day. Uh that's clearly a
bubble. What about AI?
You know if you look at some of the big
names that are involved whether it's
Google or Nvidia these they're big
names. uh but they make good money. PE
ratio can be really high. So you gota
really believe the story. But you know
we've not had a bunch of crazy IPOs of
AI companies. And so are we in a in are
we in a bubble? I think we're in a
little bit of a bubble but this could be
a bubble that we grow into. I just AI
just has so much potential uh to change
what we do, how we do it that um if you
want to invest with a thesis that AI is
really going to change the world in the
next 5 years. I'm never going to try to
dissuade you from that. Although I would
hope everybody would do it in a sensible
way.
>> Going back to your point that you know
you've written this book about crashes,
a history of the United States of five
crashes. you say that there's always
this some financial contraption that
comes in at at the totally wrong time.
Um portfolio insurance was an example.
Um mortgage back securities in in the
previous crash. Uh looking at let's
assume that maybe it's a bubble
um or that we have one in the next few
years. What do you think the financial
contraption would look like in the next
few years? Or is there anything are
there any financial instruments that you
find more concerning than others right
now?
>> Yeah, and that's that's the question.
And the other question is when's the
next one going to happen? Yeah. And I'll
be the first one to to point out that I
am not a bear. Uh the stock market tends
to go up over time. I write about five
crashes. Uh and the first one happened
in 1907. So that's that's that's five in
in well longer than a century. So uh
they're rare which is great because they
crashes do tremendous damage to investor
psyche and for a long long long time.
People who lived through the crash of
1929 even if they lived uh another 30 or
40 or 50 years many of them just refused
to ever trust the stock market again.
These contraptions uh they inject
leverage at the worst possible time. Uh,
and you know, mortgage back securities
at the time they were invented, they
were a wonderful thing, perfectly
reasonable, great solution to a problem.
Uh, but now, uh, you do have to look
around every once in a while and see if
you can't find the contraption that
could cause problems in the future. Uh,
I don't think it's crypto because I
don't think people will be able to get
enough leverage in crypto. I don't think
it's prediction markets because I don't
think they can be big enough to bring
down the entire what is it $40 trillion
US stock market. But one thing that
could cause real problems is private
credit
>> for a couple of reasons is it's opaque.
It's huge and it has the potential to do
a little bit like what long-term capital
did in the late 1990s. And that is if
the problems in private credit get big
enough and again it's opaque. you don't
know how big the market really is. Then
it could it could come along and and be
sneaky dangerous for one of the big
pillar financial organizations, whether
it's a big investment bank or one of the
big commercial banks. And if that were
to happen, then again, we'd have
something like uh what happened with
long-term capital. Um S&P lost 14% in
the month that year. So I I think that's
the real risk and again largely because
it's opaque. This seems to be the story
that that needs a lot more attention in
2026. I mean, I think that when we when
we look at the possibility of there
being a bubble, I compare it to what we
saw in 99 and 2000, for example, where
there was way more leverage um on on the
biggest names. And so, it was a lot more
concerning. Also, the valuations were
were way higher and way crazy than we're
seeing today. So I'm not that concerned
about it right now to be honest. But the
part where I do get a little concerned
is a lot of the leverage is actually
tied up in these private credit firms
for which we we know almost nothing
about. Like you know Meta is building
these data centers and then we saw what
happened with Blue Owl where they're not
actually reporting the debt on their own
balance sheet. it's being outsourced to
all of these other private credit firms
and we don't really know where the debt
even is. And once I started to realize
that, suddenly I started to think, okay,
well, we we're trying to measure the
leverage. We have no idea. We don't have
a clue. So, it's almost moot to try to
do that right now. If you have this
massively expanding industry that is
private credit and which is new and
which has caused some bankruptcies that
we've seen, First Brands would probably
be the best example. Um, so I I I guess
I appreciate you bringing it up and I
appreciate hearing that it is a concern
to you. How big of a concern is it to
you?
>> It is a big concern. Unfortunately, it's
difficult to quantify now. Um,
why is it a concern? Well, not only is
it is it big, we do know it's big, it's
opaque, but also these are often uh
second and third tier credit risks. So,
if you're a AAA company and you want to
borrow money, there are lots of ways you
can do it very cheaply. Uh if you're
just a couple of notches above junk,
then that's when you go into the private
credit market. And uh so that's that's
why it's dangerous. Uh and the fact that
we're just now becoming aware of the
problem, I think, is a problem in and of
itself. for example, most people in
finance had never even heard of
portfolio insurance until the Wall
Street Journal started writing about it
in early October of 1987. Looking ahead
to the rest of the year, um any things,
any themes that you think that we should
be paying more attention to perhaps that
we're not talking enough about? Anything
that you're really focused on going into
the year? Yeah, I I think one thing to
pay attention to is the fact that the
Federal Reserve is going to lower
interest rates through the remainder of
the year. Um, Chairman Powell is going
to lose the chairmanship uh this spring.
Uh the new chair is almost certainly
going to have promised President Trump
that they'll drive to lower rates. Uh I
think they'll be able to do that. But
Ed, I would I would make two points now.
rates should not be lower because if you
look at the Fed's dual mandate, it's
inflation of 2% or less. Well, we
learned today that inflation's at 2.7%.
So the the way that you bring inflation
down is not to lower interest rates and
allow people to buy even more stuff.
Second thing is second part of the dual
mandate is is employment full employment
as generally considered unemployment
rate of 5% or below. Well, the
unemployment rate is 4.4%.
So lowering rates is just not
appropriate for the current environment
we're in unless you're looking at it
from a political point of view. Second
point about rates, the Federal Reserve
has done way more damage, way more
damage. And they did this in 2002
through 2006, and they did it in 1929.
They do way more damage when they keep
rates too low for too long than they do
when they hold rates steady or keep them
even a little bit too high. So, it is so
easy when money is cheap, it's so easy
to borrow and rush out and buy a bunch
of stocks.
>> It sounds like maybe your biggest risk
of the year, which I think I'd probably
agree with, would be inflation. Um, I
mean, that that is that is the downside
here is if we continue to lower rates.
Also, I mean, we look at the inflation
numbers that we're seeing because we
have all of this data that we didn't get
in October, it's likely a lot higher.
and you look at any third party uh firm
that's measuring prices, they'll tell
you it's 3% or higher, which all makes
me think, I mean, it makes me even more
concerned about the inflation problem um
that we're trying to paper over it with
this data that you can't really trust
right now. Plus, we've got this pressure
on the Fed to lower rates. Plus, this 2%
number, which is their stated goal, and
it seems they've just abandoned it.
It seems at least um is is inflation
sort of your your number one risk in in
26
>> inflation? Yes. But not just uh what it
costs to fill up your your supermarket
basket, but what happens when rates are
too low then all sorts of assets get too
expensive. And by too expensive, I mean
expensive beyond fundamentals in a way
that is dangerous. It doesn't matter if
it's the stock market or the bond market
or precious metals or crypto or
whatever. Um, I think I think that's the
real risk because once these get to
levels that are unsustainable,
then if there's a shock or people start
to backtrack a little bit or rethink,
then we get a you can get a really
violent reaction. And and that's the
danger. And again, there's no way to
reconcile the economic data we're
getting and a Federal Reserve that's
likely to cut interest rates by say 75
basis points through the rest of the
year.
>> Just before we wrap here, um you've had
an incredible career um as an investor,
as a trader. You're also a writer. Um
any advice for young investors who are
thinking about their portfolios this
year? What would your advice be to young
people today?
>> Yeah, to young people today would be
very simple. Max out your 401k.
Max out your potential IRA contribution.
Invest that money in a very reasonable
uh basket of assets. If you're not yet
30, that's probably 7030. If you're 30,
it's probably 6040. And by that, I mean
S&P versus bonds. Uh and don't trade it
if it's an investment for the long term.
Don't trade it. Don't think you're
smarter than the market because there
are a number of biases that convince
people that they should be trading out
their their retirement money, their
investment money all the time. Don't
leave it. Max out your contributions,
but then leave it alone and you'll be
amazed the the amount of money you'll
have in 10 years.
>> Scott Nations is the author of The
Anxious Investor, as well as a history
of the United States and five crashes.
Scott is also the president and chief
investment officer of Nation's Indexes,
the world's leading independent
developer of volatility indices and
option strategy indices. Scott, really
appreciate your time. Thank you.
>> Thanks so much.
>> Thank you for listening to Prof Markets
from Profit Media. If you liked what you
heard, give us a follow and join us for
a fresh take on markets on Monday.
Ask follow-up questions or revisit key timestamps.
The interview discusses how human biases, shaped by evolution, negatively impact investment decisions. Behavioral biases like loss aversion and the disposition effect (selling winners, holding losers) reduce investment returns. The conversation highlights the 'fantastic objects' bias, where investors are drawn to stocks associated with charismatic founders like Elon Musk, often overlooking fundamentals. The role of 'stories' in driving market valuations is contrasted with 'numbers,' and the difficulty of distinguishing between them is acknowledged. The discussion then shifts to market dynamics in 2026, focusing on extreme volatility, potential bubbles (particularly in AI), the explosion of options trading (especially zero-day options), and the rise of prediction markets. Private credit is identified as a significant risk due to its opacity and scale. Finally, advice for young investors emphasizes maximizing 401k and IRA contributions, investing in a diversified portfolio (e.g., 60/40 or 70/30 stocks/bonds), and avoiding frequent trading.
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