yen-buying intervention
A financial term referring to a central bank or monetary authority buying yen in foreign exchange markets to strengthen the currency.
The government decided to conduct yen-buying intervention to curb the rapid depreciation of the yen.
The effect of the yen-buying intervention was temporary.
The opposite operation: selling yen to weaken the currency. 円買い介入 strengthens the yen, while 円売り介入 weakens it.
A broader term for foreign exchange intervention, not specifying the direction. 円買い介入 is a specific type of 為替介入.
Compound of 円 (yen) + 買い (buying) + 介入 (intervention). A straightforward modern financial term.