One business day after depositing cash into your SoFi Invest - Active Investing account, you may purchase available cryptocurrency, by the coin or by the dollar, in real-time. Should you sell all or some of your crypto holdings on SoFi Invest, it will be returned in USD as buying power to your account, the next business day. The cut-off time for the cash from trades to be available the next business day is approximately 3 pm ET.
The minimum order size per transaction is $10, and the maximum for total orders per day, per individual, is $50k.
You can trade in cryptocurrencies 24/7 through SoFi Invest, with the exception of occasional site maintenance.