---
title: Japan and U.S. Treasury Intervene to Support Yen
description: "Via Wall Street Journal Markets: The U.S. and Japanese financial authorities acted jointly to counter the yen’s recent excessive volatility and disorderly ..."
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### Japan and U.S. Treasury Intervene to Support Yen

Wall Street Journal Markets • August 3, 2026 at 1:57 AM ET

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The U.S. and Japanese financial authorities acted jointly to counter the yen’s recent excessive volatility and disorderly movements. Japan’s Ministry of Finance intervened in the foreign-exchange market to buy the yen on Friday, acting in concert with the **U.S. Treasury Department**. The move marks a clear signal that both nations are determined to bolster the Japanese currency, which has faced steep depreciation as the country struggles with surging energy import costs.

Finance Minister **Satsuki Katayama** said Monday that the ministry is maintaining close communication with the U.S. Treasury Department and won’t hesitate to intervene again together with its U.S. counterpart. The yen, which slid to a **40-year low** against the dollar in late July, strengthened about 1.2% on Friday following a 2.4% gain on Thursday—a surge that fueled market speculation that the Japanese government had intervened to prop up the currency.

Treasury Secretary **Scott Bessent** emphasized that economic security is national security, adding that the Trump administration is committed to delivering for its trusted partners.

[Read original article](https://www.wsj.com/finance/currencies/japan-intervened-to-support-yen-together-with-u-s-treasury-4627741f)

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- [Japan vows further yen intervention with US if needed](https://headlinesbriefing.com/ro/market/ft-markets/japan-us-joint-yen-intervention-confirmed-93fe1355)
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