You are welcome to sell the crypto at any time. Please keep in mind that the funds from your direct deposit used to purchase crypto is a deposit into your Active Invest account and it is subject to the 5 full business day holding period. While you are able to use the proceeds from your sale of crypto to invest in stocks, ETFs and crypto, you will not be able to withdraw the proceeds until the 5 full business day holding period has passed.
For more information on the deposit holding period for SoFi Invest accounts, click here.