You can invest your CPF OA monies in a range of instruments such as unit trusts, endowment policies, shares, and gold. For the full range of products, you can refer to CPF website.

Under the CPFIS-OA, you can invest your OA savings above the first $20,000 in your OA. In addition, you can only invest up to 35% and 10% of your investible savings in stocks and gold, also known as the stock and gold limits. Investible savings refers to the sum of your OA balance and the amount of CPF you have withdrawn for investment and education.