ETF Trends
ETF Trends

This year has so far followed last year’s pattern: another bad winter and another bad start to the year.

By now most investors know that U.S. first quarter growth numbers aren’t going to be pretty.

Economic statistics this year have been missing expectations by the largest margin since 2009. As a result, economists’ expectations for first-quarter gross domestic product (GDP) growth have collapsed, to 1.35% today from 3% in November.

A Second Quarter Rebound Ahead?Join in >

That said, most investors view this first-quarter slowdown as a temporary setback, in what they still expect to be a strong year. Economists’ estimates for second quarter GDP growth have actually risen recently, to more than 3% today from 2.8% in January.

However, while the U.S. economy is likely to regain some of its lost swagger by year’s end, an obscure but useful economic statistic released earlier this week — the Chicago FedNational Activity Index (CFNAI) — suggests the second-quarter bounce may not be as strong as many expect.

The CFNAI is a weighted average of 85 national economic activity monthly indicators. In contrast to backward-looking statistics like GDP, it’s a forward looking metric that gives some indication of how the economy is likely to look in coming months.

The March CFNAI reading came in below estimates, negative for a third month in a row and at the lowest level since January 2014.

The reason this matters: The CFNAI has one of the best track records for forecasting the rate of economic activity one-quarter ahead. Over the past 35 years, the level of CFNAI has explained roughly 40% of the variation in the next quarter’s GDP. Indeed, as I’ve mentioned before, the CFNAI is one of the most important economic numbers, in my opinion.

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