Bank of Japan data indicated that Japan may not have intervened in the foreign exchange market on Monday, even after a sharp rise in the yen triggered widespread market speculation. The sudden currency move had led many traders to suspect that Japanese authorities had stepped in to support the currency.

The indication from the central bank data challenges that early view. While the yen’s surge was strong enough to raise intervention expectations, the figures suggested there may not have been direct official action behind the move.

That leaves investors weighing whether the yen’s jump was driven by normal market activity rather than government or central bank support. For traders, the distinction matters because confirmed intervention can alter expectations for future currency moves and signal how concerned policymakers are about volatility.

The yen story was part of a broader market backdrop that also included uncertainty around U.S.-Iran talks and fresh attention on corporate updates from Palantir and Snap. Together, those developments helped shape trading sentiment as markets assessed currency moves, geopolitics and company news.