price-keeping operation; PKO
A financial term for market intervention to stabilize or support a stock price. Often abbreviated as PKO.
The government carried out a price-keeping operation to stabilize the market.
Price-keeping operations are sometimes used to provide short-term support for stock prices.
市場介入 is a broader term for any market intervention, while 株価維持操作 specifically targets stock price stabilization.
Compound of 株価 (stock price), 維持 (maintenance), and 操作 (operation).