You sell bitcoin from your Trade wallet, with a market order or a limit order. If your bitcoin is in your Multi-Institution Custody vault, move it to your Trade wallet first, then sell.
If your bitcoin is in your vault: move it to your Trade wallet. Moving bitcoin out of your vault follows the standard vault withdrawal steps, including video verification.
Sell: click Buy / Sell, select Sell, choose a market or limit order, enter the amount, review the summary, and confirm.
Withdraw the cash: move the US dollars from your Trade wallet to your linked bank account.
Selling costs 0.85% on Finance, 0.65% on Core, and 0.32% on Private.