People Haven't Been Shorting Treasuries Like This in Over Two Years

Investors are ramping up bets against the $13.9 trillion U.S. Treasuries market ahead of the Federal Reserve’s interest-rate decision on Wednesday. A weekly survey by JPMorgan Chase & Co. on Dec. 12 found the most short positions since September 2014 among active clients, which include real-money and speculative accounts. The central bank is expected to raise the fed funds target by 25 basis points to a range of 0.5 percent to 0.75 percent.

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