In a sterilized intervention, the central bank works to influence the exchange rate without altering the domestic monetary base or disrupting short-term money market interest rates.
The Sterilization Cascading Pipeline
[Central Bank Buys Foreign Currency Reserves] ---> Injects Domestic Cash into Interbank Ledgers
                                                               |
                                                               v
[Offsetting Open Market Action Executed] <--- Drains Equal Volume of Domestic Liquidity
  - Central bank sells domestic government bonds or issues central bank bills
  - Leaves total domestic high-powered money base unchanged

By executing an opposing open market operation (such as selling short-term domestic government bonds), the central bank absorbs the excess domestic liquidity injected during the foreign exchange purchase, keeping short-term interest rates aligned with monetary policy goals.
 
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