buying operation; purchase operation
Abbreviation of 買いオペレーション. Refers to a central bank's open market operation to purchase securities, injecting liquidity into the financial system. Used in economic and financial news.
The Bank of Japan conducted a buying operation today.
Abbreviation of 買いオペレーション, from 買い (buying) + オペレーション (operation). The term オペレーション is borrowed from English.