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Speculators have flipped to a net-long position on the Japanese yen for the first time since February 2026, according to data released late Friday by the U.S. Commodity Futures Trading Commission (CFTC). The dramatic reversal signals building bullish momentum behind the historically beleaguered currency as interest rate dynamics shift.

Key Data & Positioning Shift

Net Position Swing: CFTC non-commercial futures data revealed a net long position of 10,796 contracts for the week ending September 8, 2026.

Prior Week Comparison: The figure represents a sharp turn from the prior week's net short position of 92,227 contracts, highlighting aggressive short-covering and new long accumulation.

Multi-Month Milestone: This marks the first positive net-long reading for the yen since the week ended February 24, 2026.

Core Catalysts & Currency Reaction

Bank of Japan Policy Expectations: The yen has rallied sharply through early September, bolstered by growing market expectations that the Bank of Japan will accelerate its pace of benchmark interest rate increases.

Capital Repatriation: Sentiment has been further supported by expectations that domestic Japanese institutional investors are increasingly repatriating capital back into domestic assets amid narrowing yield differentials.

Exchange Rate Performance: The greenback dropped to 152.89 yen on September 8—the yen’s strongest level against the U.S. dollar since February 17—underscoring a decisive reversal in foreign exchange market momentum.