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The Stock Market Bubble Will Pop: What 20+ Signals Are Saying

The Stock Market Bubble Will Pop: What 20+ Signals Are Saying
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Updated on April 16th, 2021

There are dozens of stories floating around the web of people getting rich through stock market speculation in this bull market by trading options or using highly concentrated portfolios; highly concentrated portfolio with 1 stock, that is.

In fact, there is a whole community on Reddit that is dedicated to this “YOLO” style of trading equivalent to going to a casino and putting all your money on black 15. There’s the guy who turned $53,000 into $11 million $25 million, $44 million, in a year by buying Gamestop call options. And there’s the guy who bought a few thousand dollars worth of Tesla 10 years ago and it’s now valued at $12 million.

The best way I can describe what we are seeing right now is a speculative mania. The question is, is there a stock market bubble? I would answer a resounding yes and will show a collection of signs of a market top. Of course in the meantime, the bubble can continue to get bigger since people are buying and trading like there is no risk at all. That can change at a moment’s notice though as exemplified by the February 2020 stock market crash that took the markets down 35% in a few weeks.

Big Winners are Over-Represented in the Shared Stories

It’s always the winning stories that inflate the bubble as more people rush in to cash in on the riches.

This is the psychological problem with these kinds of stories: they entice others to take the same kinds of risks. Hey if Joe Blow can do it, why can’t I? Fear-Of-Missing-Out (FOMO) is a powerful force and creates a black hole with a gravitational pull that brings in a lot of new money into whatever is creating these great riches. This is how bubbles form.

When enough people buy lotto tickets, there are going to be big winners. If enough people gamble at a casino, there are going to be big winners. Statistically, if 10,000 people go to the casino and put $10,000 on black 15, 263 of them are going to be winners. And then 7 of them are going to win twice in a row. Since the payout is 35 to 1, after factoring in the house edge, for those who win twice in a row, the return will be 1,224% ($12,250,000).

Winner, Winner, Chicken Dinner!

These hypothetical guys aren’t expert roulette wheel players just like the YOLO players cropping up all over the web aren’t genius stock pickers. They got lucky, whether they know it or not. Everybody is a genius in a bull market.

You have to ask yourself at what point will they stop and cash out their winnings and be set for life? If you have $10 million, what’s another million or two really going to do for you?

The “Teslaire” portfolio has million dollar swings. This style of “investing” works great when the market is going straight up, but let’s check back when a grueling bear market arrives.

But Investing Isn’t Gambling!

Of course the first attempt at a critique will be that buying stocks isn’t the same as gambling. Sure, when stocks seemingly only go up, it doesn’t seem like gambling because there is the illusion of no risk. Even though people can look at historical charts to see long periods where markets have gone down or nowhere, personal experience is really the greatest teacher.

Ask yourself if would you buy a company for $100,000 that only generates $3,333 of sales each year? Sales, not profits. That’s basically what Tesla is as a stock.

Okay, so sales are forecast to expand rapidly because they have introduced a new and exciting product that will change the world.

Let’s say that the sales will quadruple over the next few years. In that case, is paying $100,000 for a business that has $13,332 in sales still a good deal to you? At what point would you want to make a profit? Remember there are still employees to pay, factories to run and stores to maintain. Tesla’s profit margin is 2%, according to Yahoo, so 2% of those sales is $266 in profits, per year.

That’s not a deal I would want to make.

Dawn Of The Robinhood Traders

I’ve previously written about why people should avoid the Robinhood brokerage platform, but Robinhood traders get a bad name because they are generally inexperienced traders & investors from the millennial and generation-Z cohort. Most of them have only been trading for a year or two and haven’t experienced a real bear market. None seem concerned about stock market risk factors as the market has only gone up since they’ve started.

Millions of new Robinhood accounts have been created in the last year and it’s all new money flooding into the markets with much of it is straight from the government stimulus checks. Usually when the mass retail traders open up accounts and start piling in, the end of the bubble is near.

There was a website known as Robintrack that used to show what positions Robinhood accounts had, but it was turned off over the summer of 2020. However, it showed some interesting insights into what they put into their portfolios. They had a preference for buying the riskiest stocks, even stocks that had already declared bankruptcy! Hertz rental car even proposed a secondary offering after they had declared bankruptcy because of all the demand for their stock after the fact. That was a first.

They also trade A LOT. Why? Some insight below.

Momentum Trading

Their primary strategy seems to be piling on stocks that are going up aggressively. Momentum is not a bad strategy overall, and it works great while markets are trending up. Even I created an institutional product at a previous employer that was based on momentum and had hundreds of millions of dollars in assets riding on it.

Of course, momentum doesn’t work as well during choppy markets, but we haven’t seen too many of those in the last 8 years due to Federal Reserve Quantitative Easing X activity.

The iShares Momentum Factor ETF has performed exceptionally well compared to the S&P 500:

iShares Momentum Factor (MTUM)

However, Robinhood traders aren’t just buying and holding stock, they are levering up the bets using deep-out-of-the-money call options.

My Friend, the Robinhood Trader

The concerning thing is the level of risk being applied.

My friend started trading options last year and she picked a good time to start trading options because after the market corrected it has basically gone straight up since then.

She was excited to show me this profit and loss (PnL) chart where she made a 57% return over the last year.

Friend’s Robinhood Portfolio

Most of the advance appears to come after November when the vaccines were announced setting off huge surges in stocks.

But here is the problem: Her entire portfolio now consists of deep-out-of-the-money call options on 200 stocks.

Firstly, could you imagine trying to have a full time job and managing 200 positions? I honestly couldn’t even tell you what most of these tickers represent without first looking them up and I have researched a lot of stocks.

Portfolio of Deep out of the Money Call options

Secondly, each call option requires a stock move of +50% to 100% in the next couple of months, otherwise the premium is lost.

Thirdly, most of the stocks in this portfolio have GAAP losses or are barely profitable with P/E’s > 60.

It’s basically a portfolio of lotto tickets.

Also, notice the buying power of $815. This means her portfolio is almost 100% invested in lotto tickets. If the market corrects or stays flat for the next 4 months and she doesn’t sell her positions, this portfolio will be ZERO.

Concerns about stock market risk management only occurs after a portfolio blows up for some people.

This is just one person I know, so it’s anecdotal, and I can’t say for sure how many people are engaging in this ultra-high risk strategy, but from the stories I am reading on the web, and some of the charts below, it seems to be quite a lot.

Signs of Stock Market Bubble Excess

There is no dearth of signs of speculative excess. These are a necessary, but not sufficient condition for a big market correction which we see once every decade. I’ll quickly run through these stock market risk factors as they are pretty self explanatory.

The Price-to-Sales ratio is now greater than the 1999 Tech Bubble:

Price/Sales approaching 3

The price-to-earnings for small caps is off the charts. P/E of 10,000?

IWM P/E of 10,000

There is a frenetic pace of people throwing their money at IPO and Special Purpose Acquisition Companies (SPACs).

It’s no secret

SPACs in particular are comical: You give me a bunch of money and I will go buy a company with it. I pick the company!

IPO and SPAC history

One of the best performing ETFs that has large positions in Tesla and other “innovative” companies has increased assets under management (AUM) 20x in a year. This is unprecedented growth.

In January alone, it has had more fund flows than BlackRock, State Street, Schwab or any of the remaining players.

Morningstar shows that almost every company in the portfolio is either not profitable, or the earnings are negligible compared to the valuation. It’s a portfolio of stock bubbles:

But it’s not only that, sellers on ETSY are actually creating merchandise for these ETFs and founder. That’s definitely a first.

There is even an ARKK holdings tracking app (which is redundant since they publish their holdings almost daily on their website). But how many times have you seen an app created just to track a single fund’s holdings?

Speaking of non-profitable tech companies, this return chart closely matches the ARKK returns:

I guess profits aren’t important for investing anymore, another sign of a bubble.

Option speculation has gone through the roof:

Call option speculation soared in 2020

Nasdaq trading volume itself soared in 2020:

Nasdaq volume soared in 2020

The return from the March low has been the largest advance since WWII… in the middle of a recession.

Short interest is the lowest it has been in years:

Lowest short stock interest in 16 years
Here’s a closeup

And this is probably because targeting short squeezes has become a coordinated Reddit strategy that has outperformed:

Penny Stocks are all the rage again which saw the same activity during the 1999 Tech Bubble:

I don’t like the margin-debt-to-market-cap chart because it rises and falls with the valuation of the stock market and is a coincident indicator. More margin puffs up both the numerator and the denominator and it is hard to tease out over and undervaluation. However, the margin-debt-to-GDP shows how much leverage is in the stock market compared to the overall economy. GDP is not influenced by margin, whereas market cap is. Again, it’s at record highs.

There’s an all time high of investors taking “higher than normal” risk.

Back in January, Tesla’s market cap was equal to the entire oil & gas sector. Tesla itself is in a bubble.

Analyst EPS growth targets are projecting the greatest economic rebound in 30 years, even though the pandemic will continue to hamper the world economy for a while and variant virus strains resistant to the vaccines might emerge.

And this is an interesting chart. The breadth of stocks in the MSCI world index beating the index has fallen to under 35%, meaning that only a handful of stocks are driving the MSCI world returns. This does not happen frequently, but the last few times it has happened it has portended major tops.

The “Buffet Indicator” is Warren Buffet’s preferred indicator of of whether the market is overvalued or not by comparing the market value of the Wilshire 5000 to the Gross Domestic Product. The stock market valuation is worth more than twice as much as the GDP, which is higher than during the tech bubble, as shown by the chart.

Only 41% of companies greater than a $250 million market cap had positive EPS last year (down from 55% the prior year).

Insiders who know their companies the best are selling shares hand over fist.

Junk bond yields have plummeted. They are called junk for a reason and investors are scooping them up like there is no risk of default.

And I generally hate chart comparisons that pull out 1929 bubble charts and try to draw inference that the two situations are the same, because they aren’t. But I wanted to point out that long-term trend lines are a real thing and when long term trend lines are broken, the market has a tendency to revert back inside the channel. It can take a while, but there is asymmetric risk when you are outside the channel. Usually the late stage blow off top exceeds the upper channel before plummeting precipitously.

No Two Bubbles Are Exactly The Same

Various people can look at the same data and come to different conclusions. It think the evidence above is pretty convincing, but there are other pieces of data that can be examined as well.

Plenty of people are comparing this to the Tech Bubble of 1999, but does each characteristic have to match exactly? I don’t think that bubbles have to get bigger and worse on every metric each time compared to history.

So for instance, while the trailing twelve months Price/Earnings is higher than the tech bubble, the S&P yield is not quite as low as it was then. Which is a better predictor?

P/E is high but yield is not as low

Furthermore, the P/E has indicated that the S&P 500 has been overvalued for a number of years now. There is no denying that today’s market is very overvalued and has been driven mostly by P/E expansion, but unfortunately valuation metrics make for poor market timing indicators.

This is why the signs of speculation become important because it’s market top behavior.

Also, this is the first time that a bubble formed in the middle of a recession, which is a novelty.

When Does The Party End?

The stock market risk premium is completely integrated with the valuation you pay and valuation matters in the long term. Either stock values will come down, or they will remain stagnant for a number of years for earnings to catch up. In bubble scenarios, the stock market always corrects violently.

Will the stock market crash today or next week? There is really no way to know how long the speculation will last for and a stock market bubble can continue to get bigger and bigger before it pops.

In the late 1990’s plenty of people had made stock market bubble calls only for the markets to double or triple from that point on. They have a tendency to play out longer than anyone expects.

However, most of the signs that a correction is on the horizon have triggered or are right on the verge of triggering. And given the level of speculation right now, it’s probably going to be a doozy.

The trigger could even stem from all the speculation in Gamestop, AMC, Express that could cause large hedge funds shorting them to sell their other holdings to cover the margin calls. Or who knows perhaps enough hedge funds go bankrupt from their short shares and the clearing firm can’t clear the trades, leading to a bigger systemic financial risk.

When people trade like there is no risk, Mr. Market has a tendency to make people re-evaluate those thoughts in a dramatic way. It doesn’t mean that there is a stock market crash coming, as the 2000’s tech bubble had a pretty orderly deflation over two years. However, all the latest corrections have been pretty violent, with the latest example being the stock market crash of 2020 where the market dropped 35% in a matter of weeks.

What Can You Do About It?

This is ultimately the question, right? You have a few options:

Nothing

If you own primarily index funds, you could stay fully invested and do nothing. There’s nothing wrong with this approach as you’ll ride the wave all the way to the top and then even after a correction, given enough time, you will come out ahead.

Asset managers frequently administer this advice and will never tell you to leave the market because their fees depend on it.

Frequently quoted platitudes are all about “If you had missed the best ten days in the markets over 20 years you’d have lost money” while conveniently leaving out any notion of avoiding any of the worst market days. When there is volatility, those ten best days are also usually near the ten worst days so while you might miss some of the best days you’d probably also miss some of the worst days as well.

Also beating the index is considered a win for them, no matter how much the index has fallen. The champagne corks are popped if their fund loses only 49% next to the S&P 500 losing 50%, but missing out on a 50% run is a career killer.

Therefore, I prefer to take a more active approach.

Switch to Low Volatility Funds

In the past I might have suggested switching over a portion of assets to low volatility funds since for a long time they managed to outperform the S&P 500 with lower volatility, but that whole thesis fell apart in 2020.

Low volatility funds outperformed for 8 years, until 2020

In fact, the largest low volatility fund SPLV fell even more than the S&P 500 and then massively underperformed on the way back up. There goes that idea.

Trim Riskier Positions

My favorite of the stock market risk management strategies is to sell the riskiest positions first and raise cash. It’s free.

Some assets have a tendency to fall a lot farther during market corrections than others. Usually they have a high beta, use lots of leverage, or cater to high-yield credit.

Stocks that come to mind are Business Development Companies, Mortgage REITs or tourism industries that are sensitive to recessions.

I’m a big fan of having cash ready to go during market dips so trimming these positions beforehand is a no-brainer.

Consider a Larger Short-Term Bond or Cash Allocation

If you are a millennial like me you probably don’t have any bonds at all. Now is a great time to consider adding some some short-term treasuries (or cash) after selling some common stock. These act as a buoy during periods of market stress.

And when the market dips, you have some dry powder ready to put back into the market.

And for those in the older generation who are supposed to have a 60/40 mix, equities have far outperformed over the last year, so your asset allocation is likely out of balance anyway. Now is a good time to rebalance your portfolio which would be selling equities and buying bonds.

Hedge Against a Stock Market Decline

This is really where you go if you want to not only protect your capital during a stock market crash, but to also profit from it.

Shorting

Shorting individual stocks is a classic way how to hedge stock market risk, but shorting opens you up to the risk that the stock market keeps going up against you. And with the Reddit message boards coordinating attacks against short sellers and creating short squeezes, it adds another dimension of risk.

Options

On the other hand, buying put and call options can be a great tool in both bull and bear markets if used appropriately and in small amounts. They are flexible instruments that allow you to change the payout structure of a stock market move. In the simplest case, you can wager that the stock market goes up or down, but you can also bet that the market moves by a specific amount, either a lot or a little.

Options get the reputation of being ultra risky because speculators have a tendency to use them in the riskiest of ways possible that usually results in a 100% loss of the option premium. The Robinhood portfolio chock full of deep-out-of-the-money call options I showed above is an example of that where the strike price (the threshold that the stock must clear before earning any profit) is 50-100% above the current stock price.

And because options aren’t free, if you are buying puts and spreads for protection, it only makes sense to allocate 1-2% of your portfolio to them during the final stretch of the market run. I don’t think it makes much sense to spend money to protect a position in your portfolio when you can just sell the asset or use a trailing stop loss for the same effect (unless you aren’t willing to sell for tax considerations).

I buy stock market hedges for the S&P 500 index, but I also go with a targeted approach to high flying “innovation stocks” that won’t be profitable for a few years and firms that invest in junk debt. Often these go down much harder when the “final fantasy” starts turning into a nightmare.

Remember that there’s a good chance that you’ll be early and have to buy new ones when the old ones expire, so this is why I suggest only buying a small percentage of puts for your portfolio and first selling riskier positions to raise cash. Raising cash is free and you will have to buy a tremendous number of puts to fully indemnify your portfolio if you skip that step.

I’ve Started Hedging For 2021

I started hedging my portfolio in January for a major drawdown targeted at the end of the first quarter in 2021 given all the various signs of a market top we discussed above. Now that we are in April, clearly that didn’t materialize. However, it was fully expected because it’s impossible to pin the exact date in the future that the market will make a big move.

The rule of thumb is to double your expectation, add 2 months, 3 weeks, 4 days and 18 hours. Of course I’m joking there, but it’s a quasi-truism, and I never go all-in on a trade and fully expect to have to roll my trades, usually more than once. I nailed the 2018 Volmageddon explosion within 2 weeks and made a 20x return on a single trade, but the timing was more good fortune than precision.

On one hand you can keep waiting and waiting until the market plummets right before your eyes and you have no protection at all in your portfolio. Or you can evaluate the signs of a market top and start incorporating some hedges into your portfolio now. You aren’t betting the farm that you’ll be right on the timing, because usually you can’t be, but you are just adding some hedges that you might be.

Ultimately the market needs a catalyst. Some piece of bad news, or news that gets people to realize the best case scenario they thought was going to happen will no longer happen. News like that is random and can come at any time.

Maybe the vaccines don’t provide protection against the variants, don’t provide long term protection, the government stimulus is smaller than expected, or inflation ticks up causing the Federal Reserve to consider tightening the quantitative easing and raising interest rates.

It might even be in the form of a black swan, where something completely unexpected like China declares war on Taiwan or Geo-political tensions increase in the middle east. It could be anything really.

Or it could even get to the point where everyone is “all-in” and there just aren’t any buyers left over. Some theorize the Tech Bubble of 1999 died that way.

It’s always better to be thinking about a major market correction before it happens and potentially have some preparation built into your portfolio than being caught flat-footed and panic selling when the pain becomes too great.


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Ryan

After graduating with $75,000 in student loan debt, Ryan began a professional career in finance, aggressively saved and invested and became a self-made millennial millionaire in early 2019. He holds a Master's degree in Computational Finance, a Master's degree in Economics, and a Bachelor's degree in Mathematics. His two passions are investing and traveling.

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