Ed Yardeni's Midterms Prediction: Democratic Sweep Could Be a 'Cold Shower' for Stock Market

Wall Street usually welcomes divided government. But veteran market strategist Ed Yardeni warns that a Democratic sweep in Tuesday’s midterm elections could deliver a “very cold shower” for stocks, even with Republicans retaining the White House.

Yardeni, president of Yardeni Research, told Bloomberg that growing political divisions could make it harder for Congress to respond to future economic crises.

Traders on Polymarket put the probability of Democrats capturing both the House and Senate at approximately 73%, with more than $52 million traded across the election market.

But Yardeni believes stock investors may not have fully priced in that possibility, noting that some remain skeptical of polls showing strong Democratic support.

Why Gridlock Could Hurt Stocks

“Usually the market loves gridlock, but in this situation we’re talking about much more partisanship,” Yardeni said.

Investors traditionally welcome divided government because it makes major policy changes harder to pass, reducing the risk of sudden changes to taxes and regulations.

Yardeni worries, however, that Washington could become so divided that lawmakers struggle to agree even when action is urgently needed.

He warned that future government shutdowns and disputes over the national debt could last considerably longer, potentially causing greater economic damage.

For Yardeni, the bigger concern is what happens if bond investors lose confidence in Washington’s ability to manage its finances.

Yardeni coined the term “bond vigilantes” in 1983 to describe investors who push back against excessive government borrowing by selling bonds.

If those investors demand higher yields, borrowing costs for businesses could rise, putting pressure on stocks. Congress might then need to agree on deficit reduction precisely when political divisions make compromise most difficult.

Yardeni Still Sees Buying Opportunities

Despite his warning, Yardeni isn’t predicting the end of the bull market.

In an October 29 Financial Times column, he argued that stock-market declines following the midterms could offer buying opportunities, supported by resilient economic growth and corporate earnings.

His view contrasts with that of Morgan Stanley strategist Mike Wilson, who sees the election as a potential clearing event for stocks, with the removal of political uncertainty potentially supporting a rally.

For investors in the State Street SPDR S&P 500 ETF Trust (NYSE:SPY), Yardeni’s warning is that even an election result widely anticipated by traders could introduce fresh risks if political gridlock fuels another fiscal confrontation.

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