Gold and gold receivables held by euro zone central banks rose by 1 million euros to 419.825 billion euros in the week ending Oct. 28, the European Central Bank said on Tuesday.

Net foreign exchange reserves in the Eurosystem of central banks rose by 0.5 billion euros to 192.5 billion euros, the ECB said in its regular weekly consolidated financial statement.

Gold holdings rose because of purchases by 2 euro zone central banks, the ECB said.

The combined balance sheet of the ECB and the 17 euro zone central banks rose by 20 billion euros to 2.333 trillion.