To request the available amount of Bitcoin (BTC) in your own Bitstamp account, you must first log in to your Bitstamp account.
Then select Bitstamp Pro at the top of the menu and go to the Dashboard
If you have one or more sub-accounts, you must first select the sub-account where the BTC you want to view are located. You can switch between different sub-accounts at the top right of the menu by clicking on “Main account”. Then select the correct account.
Scroll down until you see your Portfolio. This is where your BTC balance is.
In this case, the available amount of Bitcoin (BTC) in this (sub) account is 0.06898735 BTC
Optional: If there are still open sell orders, your available balance may be lower. You will then see a plus sign next to the balance that you can open
In this case, the available amount of Bitcoin (BTC) in this (sub-) account is 0.05898735 BTC