(Bloomberg) — Fast-money wagers against longer-dated Treasuries have hit a record in a sign hedge funds are positioning themselves ever more aggressively for a steeper yield curve.

Net short speculative positions in long bond futures saw the biggest weekly climb since 2007 to reach around 209,000 contracts, according to the latest Commodity Futures Trading Commission data. Meanwhile, net long positions on 10-year Treasuries have risen to their highest since October 2017.

So-called steepener trades are often seen as bets on reflation, while investors are also positioning for the possibility of greater deficits should the Democratic party prevail in November’s election. A new Wall Street Journal/NBC News poll taken after Tuesday’s debate showed Joe Biden leading Donald Trump by 14 percentage points. It was taken before the president was diagnosed with coronavirus.



chart: Speculators long bond positions at record net-short as 10-year yields bets climb


© Bloomberg
Speculators long bond positions at record net-short as 10-year yields bets climb

The surge in shorts appears to be related to new wagers on the direction of the curve, rather than so-called basis trades which bet on the spread between bonds and futures, according to JPMorgan Chase & Co. strategists including Jay Barry.

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“We think curve positioning could be behind those moves,” they wrote in a note to clients Friday. “While outright exposure to duration positions are not large, curve steepening positions remain large relative to historic ranges, and the risk is these trades could be unwound.”

The spread between the 10-year and 30-year yields has widened by more than 30 basis points so far this year and was at around 79 basis points on Monday. It reached near 81 basis points in June, the year-to-date high.

Big Risk for Bonds Is That U.S. Election Actually Goes Smoothly

Similar bets are also being made in the swaption market. Options on swap rates show the cost