The Japanese Yen Nears 38-Year Low, Japanese Authorities Shift to "Silent Intervention" Strategy, Market Wary of Lightning Intervention

June 22. The Japanese yen’s exchange rate against the U.S. dollar touched near 161.7 on Monday—just a notch below the 1986 record low of 161.96. With the yen continuing to depreciate, Japanese authorities have remained surprisingly quiet, leading market players to widely view this as a precursor to a "sneak attack" on short yen positions. Finance Minister Okatsuke Katayama casually remarked Monday that officials would "respond to exchange rate fluctuations in a timely manner," using notably milder language. Junzaburo Mimura, the finance minister seen as a key signal for intervention, has been notably silent since early May—this official issued a "final warning" ahead of the late-April intervention. Insiders reveal that overly transparent warnings in the past let speculators exit early, so authorities are now intentionally shifting to a sneak-attack mode to maximize intervention impact. Mitsubishi UFJ Morgan Stanley Securities’ chief forex strategist pointed out that sudden intervention, masked by the government’s lack of urgency in its statements, would carry a stronger effect. The latest CFTC data shows net short yen positions surged to 145,818 contracts—hitting a new high since July 2024—with speculative bets heavily concentrated. On inflation concerns, Bank of Japan Deputy Governor Ryoji Hemenino warned Japan’s parliament (the Diet) Monday there is a significant risk of prices deviating sharply from the 2% target. If the yen keeps weakening and driving up import costs, the central bank could face the danger of being "too slow to act," he added. Analysts note current market positions are overly stretched; once intervention kicks off, the paralysis from official silence will amplify its impact exponentially.