Basis Trade Slowdown Drives Shift Into Swap Spreads

The slowdown in the US Treasury basis trade has driven hedge funds into alternative strategies like swap-spread arbitrage. Rising financing costs and regulatory changes made the leveraged cash-futures trade less attractive.

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FILE PHOTO: U.S. dollar banknotes are seen in this illustration taken March 24, 2026. REUTERS/Dado Ruvic

Hedge funds slashed cash-futures basis positions by billions of dollars in United States Treasury markets, rotating capital into riskier swap-spread arbitrage. The historic shift reflects rising borrowing costs and regulatory changes that have constrained a once-dominant leveraged trade.