Investors have significantly increased their bets against the Japanese yen, reaching the highest level of short positions in 17 years, as the currency nears a critical level of 152 per dollar, with some betting on a slide toward 155. This surge in bearish sentiment comes amid concerns of potential intervention by Japanese authorities to support the yen at 34-year lows. Recent statements from former and current Japanese finance officials highlight the possibility of intervention if the yen's depreciation becomes too rapid or excessive, signaling a potential USDJPY reversal. Additionally, market watchers are closely monitoring the situation, especially in light of the upcoming US CPI report, which could influence the yen's trajectory further.