Pearson, the publisher of the Financial Times, has put its majority-owned financial information subsidiary on the market.
Interactive Data Corporation (IDC) – which is 61 per cent-owned by the publishing group – has a market value of £1.5bn and is listed in New York.
The company said in a statement: "Pearson and Interactive Data Corporation are today confirming that the board of Interactive Data is currently undertaking a preliminary review of strategic alternatives for the company."
Revenues at IDC rose to 1.2 per cent to $563 million (£344m) in the nine months to 30 September last year.
Net income increased 5.5 per cent to $108 million.
IDC provides pricing information to financial institutions' back offices, helping them to meet regulatory requirements on portfolio valuations.