I Traded $1M on Bank of Japan Intervention Headlines — 9 Months, 22 Trades

Trading USDJPY based on Bank of Japan intervention headlines yields a 36% win rate and a 5.6% return over a nine-month period. Systematic testing of 22 trades reveals that the strategy is counterintuitive: vague warnings from officials generate more profit than confirmed interventions. By the time an intervention is officially announced, the market has already moved, causing traders to enter at the bottom of the trend. While the strategy produced a $56,085 profit on a $1 million account, it required navigating a $65,000 drawdown and relies heavily on a single cohort of trades. Ultimately, the data suggests that while intervention-related headlines provide a signal worth investigating, they do not constitute a robust, standalone trading system, particularly given the high risk of consecutive losses and the lag between market movement and official confirmation.