FX.co ★ Speculators Deepen Bearish Bets on Yen as Net Shorts Swell to -41.4K

Speculative traders have sharply increased their bearish positions on the Japanese yen, with CFTC JPY speculative net positions falling from -16.6K to -41.4K, according to the latest data updated on 13 March 2026. The move signals a significant build-up in net short exposure to the yen compared with the previous reading.

The widening negative balance in speculative positions suggests that market participants are increasingly positioning for further yen weakness. Such shifts in futures and options positioning are closely watched by currency traders as a gauge of sentiment toward Japan’s currency and, by extension, expectations around Japan’s monetary stance and global rate differentials.

While the data do not explain the drivers behind the surge in net shorts, the rapid expansion from -16.6K to -41.4K underscores a notable change in speculative conviction against the yen within a relatively short period, potentially setting the stage for heightened volatility in JPY trading.