7月29日电，中国人民银行以固定利率、数量招标方式开展了4492亿元逆回购操作。

Core Viewpoint - The People's Bank of China conducted a reverse repurchase operation amounting to 449.2 billion yuan using a fixed rate and quantity tender method [1] Group 1 - The operation was aimed at providing liquidity to the financial system [1] - The reverse repurchase operation is part of the central bank's monetary policy tools to manage short-term liquidity [1] - The amount of 449.2 billion yuan indicates a significant intervention in the market to stabilize financial conditions [1]