Japan can conduct only two more sessions of three-day interventions by November if it wants to maintain its status of having a freely floating exchange rate, based on International Monetary Fund guidelines.

Japan has the firepower to intervene 30 times in currency markets at last week’s scale, according to analysts at Goldman Sachs Group Inc., though officials are expected to conserve its reserves and st...

Japan stepped into the market to support the yen last ​week, with ​money market data ​pointing to roughly $35 billion ‌in spending behind a sudden 3% rally in the currency on Thursday.