Explanation of fractional shares Updated July 26, 2021 16:37 Articles in this section How does M1 trade? What is a Trade Window? How does M1 execute orders? How is my money invested When will buys/sells be triggered? What price will my trade execute at? Minimum order size Explanation of fractional shares Can I buy and sell the same security in a day? Wash sale A fractional share is equity in a security that is less than one full share. M1 splits every share into 1/100,000th of a share so you can trade exact amounts of each based on the targets set in your portfolio. Related articles How does M1 trade? How much does it cost to use M1? Create buy/ sell orders How M1 Finance trades What is a Trade Window?