The Japanese yen slipped again after a sharp intervention-driven rebound, with currency markets quickly turning their attention back to the Bank of Japan's upcoming policy decision. The move suggested traders were reassessing how durable official support for the currency could be.

Tokyo had stepped in to help the fragile yen, but renewed selling showed investors were still willing to challenge that effort. The latest price action highlighted how difficult it can be for authorities to defend a currency when broader market expectations remain focused on interest-rate policy and the outlook for Japan's economy.

The Bank of Japan's decision is now the main event for markets. Any signal on monetary policy, borrowing costs or the central bank's willingness to tolerate further weakness in the yen could influence whether the currency stabilizes or faces another round of pressure.

For now, the yen remains caught between government intervention and investor skepticism. Until the policy outlook becomes clearer, volatility in the Japanese currency is likely to stay elevated as markets test how far Tokyo is prepared to go.