Oppenheimer Funds offers various investment options, and the minimum investment amount can vary depending on the specific fund and account type chosen. Generally, the minimum initial investment requirement tends to range from a few hundred dollars to several thousand dollars. For example, certain mutual funds may have minimum investment thresholds as low as one thousand dollars, while others, particularly those meant for retirement accounts or specialized portfolios, may require a higher initial investment. It is also important to note that subsequent investments may have different minimum amounts. If you would like to find specific information regarding the minimum investment for a particular Oppenheimer Funds investment option, I recommend visiting their current website. There, you can explore the details for various funds and account types, ensuring that you have the most accurate and up-to-date information available.