Why Inverted Yield Curve Panic Is Overdone

In case you haven't heard by now, the "10-and-2" yield curve momentarily inverted this week. Some market participants and financial media have responded with alarm, and given this signal's singular track record of predicting U.S. recessions, that's not exactly the wrong reaction.

But it's not necessarily helpful, either.

Although an inverted yield curve is as reliable an indicator of looming economic downturn as we have, no one data point is ever infallible. It's also the case that inverted yield curves are wildly imprecise at forecasting the onset of recession.

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Further complicating matters is that while the four most dangerous words in investing are "this time it's different," some experts argue that this time, it really is different.

Either way, what investors most need to know is that an inverted yield curve is by no means a portent of impending doom – not for the economy, and not for the stock market, either.

What Is an Inverted Yield Curve?

The yield curve is a visual representation of bond yields across maturities. Longer-dated bonds typically pay higher interest rates to compensate investors for the increased risk they assume over time. The longer a bondholder has to wait to recoup his or her principal, the greater the chance inflation will erode the purchasing power of the investment, or the borrower will default, or some other bad thing will happen.

Bonds with shorter maturities, then, are supposed to yield less than bonds with longer maturities. But sometimes that relationship gets out of whack.

As you can see in the chart below, the yield curve is pretty steep up until it hits the two-year maturity mark, but then it flattens out. That's not right.

Investors, strategists and economists watch several different yield curves, but the 10-and-2 yield curve – or spread between the yield on the 10-year Treasury note and the yield on the two-year Treasury note – has been the best predictor of past recessions. Anu Gaggar, global investment strategist for Commonwealth Financial Network, says that the 10-and-2 yield curve has inverted 28 times since 1900, and in 22 of those instances, a recession has followed.

This is the same curve that some (but not all) data providers said briefly inverted Tuesday and touched off this new round of hand-wringing.

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"Yield curve flattening and, ultimately, inversion are features of an economy that is shifting gears from midcycle to late cycle," Gaggar writes. "In the late cycle, markets begin to fret that tighter monetary policy could take the wind out of the economy and a downturn might be approaching."

Have a look at the chart below, which shows the 10-year Treasury yield minus the two-year Treasury yield going back 50 years. Whenever the sum has gone negative, a recession (the shaded gray areas) has ensued:

Note well that although an inverted yield curve might tell you a recession is coming, it won't tell you when.

You Can't Exactly Set Your Watch by Inversions

Going back to 1900, the lag between a yield curve inversion and the start of a recession has averaged about 22 months, Gaggar says.

Over the past six recessions, however, that lag has ranged from as little as six months to as long as three years.

The U.S. economy averages one recession every five years. Thus, an inverted yield curve that takes three years to forecast recession isn't that different from a stopped clock that's right twice a day.

Looked at another way, over the past six decades, the median time between the initial inversion of the yield curve and the onset of a recession is 18 months, writes Brian Levitt, global market strategist at Invesco. Here are just a couple examples of the curve being less than helpful as a leading indicator:

• When the yield curve inverted in 1965, the following recession didn't hit until 1969, or 48 months later.
• The recession sparked by the busting of the tech bubble started in March 2001. But the yield curve inverted 34 months earlier, in May 1998.

Is It Different This Time?

The Federal Reserve's unprecedented intervention in bond markets has artificially depressed the 10-year Treasury yield, the thinking goes. Therefore, this instance of an inverted yield curve doesn't really count.

"Don't fear yield curve inversion," writes Ethan Harris, head of global economics research at BofA Securities. "It is not the standalone indicator of recessions as it once was."

True, historically, yield curve inversion has been the "most reliable" single indicator of U.S. recession risk, Harris and his team say. Today, however, the signal is "heavily distorted by the Fed's massive balance sheet and extremely low bond yields overseas."

Dr. Ed Yardeni, president of Yardeni Research, likewise sees the Fed's multiyear bond-buying spree as skewing the inversion data.

"Our models show the flatness of the curve could be more a consequence of the Fed's relentless buying of bonds, and the consequent growth of their balance sheet, rather than because of a looming growth shock," Yardeni writes.

Furthermore, if recession really is over the horizon, it's more likely to happen next year than in 2022, notes BCA Research.

"Although we expect economic growth to slow this year, we do not anticipate it will turn negative," says a BCA team. "Our expectation is that several of the current headwinds to growth – price pressures, the war in Ukraine, and the pandemic situation – will improve in the second half of the year."

Stocks Actually Do Quite Well After Inversions

The worst thing investors can do in pretty much any market scenario is panic. That goes double for when the yield curve inverts. Historically, the market actually does well between the first instance of an inverted yield curve and the market top that precedes any recession-induced drawdown in equites.

"The last four times the 2-and-10 yield curve inverted, the S&P 500 was up an average of 28.8% before it peaked," writes Ryan Detrick, chief market strategist at LPL Financial.

The S&P 500 hit its ultimate peak an average of 17.1 months after the inversion, Detrick adds, while recession started, on average, 21 months later.

Invesco's Levitt hammers home the same point.

"Equity investors should be mindful to not overreact when the yield curve first inverts," the strategist says. "An inverted yield curve has not been a very good timing tool for equity investors."

Indeed, by Levitt's reckoning, investors who sold when the yield curve first inverted on Dec. 14, 1988 missed a subsequent 34% gain in the S&P 500.

"Those who sold when it happened again on May 26, 1998, missed out on 39% additional upside to the market," he adds. "In fact, the median return of the S&P 500 Index from the date in each cycle when the yield curve inverts to the market peak is 19%."

The bottom line? Dumping equities because the yield curve inverted has proven to be a very poor investing strategy for a very long time.