According to information obtained by the News, bankers from Nomura and Santander are marketing the business, which competes with firms like IG Group and CMC Markets.
This past weekend, it was unknown what its possible sale might be worth.
The company facilitates trading in cryptocurrencies, stocks, commodities, and foreign exchange.
With its headquarters in Asia, it services clients in over 120 countries and maintains a presence in the US, UK, and Japan.
With over 100,000 active traders, record revenues of over $175 million (£138 million) are anticipated this year.
Since its founding in 1995, Oanda has grown to be a significant participant in the industry, which has seen recent growth.
Additional investors in cash are expected to review offers for the company.