/The Tell: A measure of the yield curve briefly un-inverts for first time in 79 days

The Tell: A measure of the yield curve briefly un-inverts for first time in 79 days

It probably won’t lead worried economists to stop fretting about a potential recession, but something notable happened in the U.S. Treasury market Thursday.

Specifically, the yield on the 10-year Treasury note

TMUBMUSD10Y, +4.46%

 briefly traded above the 3-month T-bill yield

TMUBMUSD03M, -1.21%

 for the first time since July, albeit by a tiny margin, observed analysts at Bespoke Investment Group:

The yield curve — a line plotting yields, or interest rates, across a range of maturities — typically slopes upward. Inversions, in which a longer-dated maturity yields less than a shorter-dated maturity, raise alarm bells.

Related: Duke professor who uncovered yield-curve indicator says next recession won’t be so bad

That’s particularly the case in the Treasury market, where an inversion of the 10-year/3-month part of the curve was identified by researchers at the San Francisco Federal Reserve Bank as the most reliable such recession predictor. Inversions have preceded each of the past seven recessions stretching back to 1970, according to the Cleveland Fed, with two “false positives” — an inversion in late 1966 and a “very flat” curve in late 1998.

Also read: The yield curve is steepening, and that’s not good for investors — Here’s why

But even if the spread between 10-year and 3-month yields were to turn solidly positive, it wouldn’t necessarily negate the recession warning. The curve has turned positive ahead of previous recessions (see chart below):

Federal Reserve Bank of Cleveland

Meanwhile, investors, economists and analysts have debated whether the curve’s most recent inversion should be taken with a grain of salt.

Naysayers, including some central bankers, contend efforts by the Fed and other central banks to push down long-term interest rates in the wake of the 2007-2009 recession have helped distort the signal offered by the curve. Others note that past inversions were also met with skepticism.

See: Here are the 3 times the Fed denied the yield curve’s recession warnings, and were wrong

For now, the curve remains inverted. The 10-year yield was up 7.5 basis points at 1.658%, according to FactSet, while the 3-month yield was down less than a basis point at 1.679%.

Meanwhile, stock-market investors continue to watch — and react — to headlines surrounding U.S.-China trade talks. The S&P 500

SPX, +0.53%

 was up 0.6% in afternoon activity, while the Dow Jones Industrial Average

DJIA, +0.43%

 advanced around 117 points, or 0.4%.

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