The simplest argument for a correction is that US equity markets have been going up for so long and have gone up so much that it seems inevitable that a correction has to be near. It is true that the last decade has been a very good one for stocks, as the S&P 500 has more than tripled from its lows after the 2008 crisis. While there have been setbacks and a bad period or two in the midst, staying fully invested in stocks would have outperformed any market timing strategy over this period.
If stock prices had jumped 230% over a period, as they did over the last decade, and nothing else had changed, it would be easy to make the case that stocks are over priced, but that is not the case. The same crisis that decimated stock prices in 2008 also demolished earnings and investor cash flows, and as prices have recovered, so have earnings and cash flows:
Notice that while stocks have climbed 230% in the ten-year period since January 1, 2009, earnings have risen 212% over the same period, and cash flows have almost kept track, rising 188%. Since September 2014, cash flows have risen faster than earnings or stock prices. It is possible that earnings and cash flows are due for a fall, and that this will bring stock prices down, but it requires far more ammunition to be credible.
Download raw data on PE ratios |
If you are convinced by one of the arguments above that stocks are over priced and choose to sell, you face a question of where to invest that cash. After all, within the financial market, if you don’t own stocks, you have to own bonds, and this is where the ground has shifted the most against those using the mean reversion argument with PE ratios. Specifically, if you consider bonds to be your alternative to stocks, the drop in treasury rates over the last decade has made the bond alternative less attractive. In the graph below, I compare earnings yields on US stocks to T.Bond rates, and include dividend and cash yields in my comparison:
Download raw data on yields and interest rates |
In short, if your complaint is that earnings yields are low, relative to their historic norms, you are right, but they are high relative to treasury rates today. To those who would look to real estate, a reality check is that securitization of real estate has made its behavior much closer to financial markets than has been historically true, as can be seen when you graph capitalization rates (a measure of required return for real estate equity) against equity and bond rates.
Counter Argument 3: The market reflects changes in how markets and economies work
Download raw data on interest rates, inflation and growth |
Did you think I would have an entire post on stock markets, without taking a dive into implied equity risk premiums? Unlike PE ratios that focus just on stock prices or treasury bond rates that focus just on the alternative to stocks, the implied equity risk premium is a composite number that is a function of how stocks are priced, given cash flows and expected growth in earnings, as well as treasury bond rates. In my monthly updates for the S&P 500, I compute and report this number and as of October 1, 2019, here is what it looked like:
Download spreadsheet |
The equity risk premium for the S&P 500 on October 1, 2019, was 5.55%, and by itself, you may not know what to do with this number, but the graph below shows how this number has changed between 2009 and 2019:
Download historical ERP |
I am neither bullish nor bearish, just market-neutral. In other words, my investment philosophy is built on valuing individual companies, not taking a view on the market, and I will take the market as a given in my valuation. Does this mean that I am sanguine about the future prospects of equities? Not in the least! With equities, it is worth remembering that the coast is never clear, and that the reason we get the equity risk premiums that I estimated in the last section is because the future can deliver unpleasant surprises. I can see at least two ways in which a large market correction an unfold.
An Implosion in Fundamentals
Note that my comfort with equities stems from the equity risk premium being 5.55%, but that number is built on solid cash flows, a very low but still positive growth in earnings and low interest rates. While the number is robust enough to withstand a shock to one of these inputs, a combination that puts all three inputs at risk would cause the implied ERP to collapse and stock pricing red flags to show up. In this scenario, you would need all of the following to fall into place:
1. Slow or negative global economic growth: The global economic slowdown picks up speed, spreads to the US and become a full-fledged recession.
2. Cash flow pullback: This recession in conjunction causes earnings at companies to drop and companies to drastically reduce stock buybacks, as their confidence about the future is shaken.
3. T. Bond rates start to move back up towards normal levels: Higher inflation and less credible central banks cause rates to move back up from historic lows to more “normal” levels.
A Global Crisis with systemic after shocks
Bottom Line
2. Stock Yields and Interest Rates: US