At the end of January, the Exchange Fund's foreign assets were up $40.9 billion, the Monetary Authority says.

Foreign assets, representing the Exchange Fund's external assets, amounted to $909.6 billion.

The Monetary Base - comprising Certificates of Indebtedness, Government-issued currency notes and coins in circulation, the Aggregate Balance of the banking system and Exchange Fund Bills and Notes issued, amounted to $330.1 billion. 

Claims on the private sector in Hong Kong amounted to $63.4 billion.

Foreign liabilities, representing mainly obligations under repurchase agreements, amounted to $1.1 billion.