香港金管局通过贴现窗口向银行投放19.44亿港元流动性

Group 1 - The current USD/HKD spot exchange rates are 7.85 for the offer rate and 7.75 for the bid rate [1] - Today's overnight HIBOR is provided, indicating the liquidity conditions in the Hong Kong interbank market [1] - The HKAB 1-Month HIBOR fixing is also mentioned, reflecting the short-term borrowing costs in the market [1] Group 2 - The opening aggregate balance and closing aggregate balance are referenced, which are crucial for understanding the liquidity position of the banking system [1] - Changes in the aggregate balance are attributed to market activities, interest payments, and discount window reversals, highlighting the factors influencing liquidity [1]