(+) numbers mean purchases of USD, (-) numbers mean sales of USD. Unpublished data.
Release: U.S. Foreign Exchange Intervention
Board of Governors of the Federal Reserve System (US), U.S. Intervention: In Market Transactions in the JPY/USD (Millions of USD) [USINTDMRKTJPY], retrieved from FRED, Federal Reserve Bank of St. Louis https://research.stlouisfed.org/fred2/series/USINTDMRKTJPY/, September 2, 2015.