The U.S. 30-year Treasury yield is approaching 6%, with a technical mechanism in Treasury futures contracts poised to exacerbate volatility in the bond market. As yields rise rapidly, the cheapest-to-deliver (CTD) bond used for futures pricing may shift toward longer-dated maturities, triggering forced position readjustments that could drive long-end yields even higher. BNP Paribas strategists warn that this CTD switch could force selling of Treasury futures, creating a feedback loop that amplifies spot market yield increases. The dynamic poses particular risks for leveraged funds utilizing basis trades and investors hedging government bond positions through futures contracts.