• U.S. currency declined versus most major counterparts
  • Consumer prices dropped last month, forecasts indicate

A rough stretch for the dollar may be about to get worse.

Data due Oct. 15 are forecast to show U.S. consumer prices fell for a second straight month in September. A decline may cast further doubt on Federal Reserve plans to raise interest rates this year and undermine the U.S. currency, which fell the most in four months this week, paring a 2015 advance.

Spurring the losses, minutes from the Fed’s latest meeting showed policy makers discussing the damping effect of dollar strength on inflation and exports, while repeating their intention to lift the overnight target.

“Investors have kind of disregarded the jawboning from the Fed and the rhetoric from the Fed and are really looking at the data,” said Chris Gaffney, president at EverBank World Markets in St. Louis. They’re concluding that “they’re not going to raise by the end of the year, unless we really see a change in the inflation data.”

The Bloomberg Dollar Spot Index, which tracks the U.S. currency versus 10 major peers, lost 1.4 percent since Oct. 2, the steepest tumble since the week ended June 12. It’s still up 5.4 percent this year.

The greenback weakened 1.3 percent to $1.1358 per euro, while adding 0.3 percent to 120.27 yen.

Hedge funds and other money managers cut net bullish bets on the dollar to the lowest in more than a year, according to data from the Commodity Futures Trading Commission. Long positions, or wagers the currency will rise, outnumbered short bets by 196,975 contracts in the week to Oct. 6, the lowest since September 2014.

Stalled Out

The 2015 rally has stalled as investors push out bets on a Fed interest-rate increase following the central bank’s September decision to hold its target near zero amid market volatility.

The dollar slumped versus 15 of 16 major peers this week as members of the Fed’s policy-setting committee flagged concern that the currency’s strength could hurt the economy. An appreciating dollar makes U.S. products more expensive abroad and damps inflation by making imports less costly.

Consumer prices probably fell 0.2 percent in September from a month earlier and 0.1 percent from a year earlier, according to the median forecast in a Bloomberg survey. The Fed targets inflation of about 2 percent.

“There is no inflationary pressure -- plain and simple,” said Alessio de Longis, a money manager in the global multi-asset group at OppenheimerFunds Inc. in New York. “We have a serious risk of ongoing dollar weakness for the rest of the quarter.”

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