A configuration has formed in the credit market that was last seen in 1998. Primary dealers—key participants in the government and corporate bond market—have taken a net short position on corporate securities for the first time in decades. This shift is not just a statistical anomaly but a serious warning signal for the entire financial sector.

This refers to a position of about $4 billion taken by dealers this year. This means the volume of credit risk sold exceeds the securities they hold on their balance sheets to provide liquidity. For comparison, at the peak of 2017, the same participants held an average of $16 billion in long positions. The reversal from a large "long" to a net "short" is an extremely telling moment.

What is behind this reversal?

I see several possible reasons for this scenario. The first and most obvious is that banks and dealers are quietly preparing for a weakening credit market by hedging risks. The second is that demand for bonds from end investors is so high that there is simply no point in holding securities in reserve. A third, more structural option is that the era of electronic trading and algorithmic market-making has effectively eliminated the need for traditional "warehouse" inventories of bonds.

The bulk of the short positions are concentrated in long-term debt—$13.7 billion in securities with maturities over five years. This position is only partially offset by a long position of $9.66 billion in shorter-dated issues. It is these "long" bonds that are most sensitive to rising yields, and it is towards them that dealers are showing maximum caution. Meanwhile, credit spreads are hovering near multi-year lows, meaning dealers receive extremely meager compensation for taking on this risk.

The risk of a "short squeeze" and the link to the stock market

A particular danger lies in a potential rebound. If bonds rally, dealers could be forced to cover short positions in a market with virtually no supply. A convenient short position could overnight turn into a rapid and sharp reversal. Historically, the credit market cracks before the stock market, and the current situation is a classic setup for such a scenario.

This alarming signal unfolds against an unusual picture in the stock market. Estimates suggest that profits of companies in the S&P 500 index could grow by 24% this year. Analysts note that the market has not seen such growth rates outside of recovery periods following recessions. This "unprecedented boom" is fueled by a sharp rise in earnings per share among major tech giants.

Both pictures complement each other. Record optimism in stocks and near-zero compensation for credit risk point to one thing: the market is pricing in a very low probability of problems. This is precisely what makes it vulnerable to a sharp reversal.

Expert opinion: Such a divergence between a "bullish" stock market and "bearish" positioning in the credit market is a classic sign of complacency. Investors should closely monitor the dynamics of spreads and corporate bond yields. If a mass short covering begins, it could trigger a synchronized correction in equity markets as well.