Below are some common examples of when cash out may be unavailable: When at least one leg of your Multi Bet was placed live - In a 5 leg multi, if the 4th leg has been resulted but not settled, Cash Out won't be available even if there is still one more leg to go.
Please note that any funds deposited into your Sportsbet account needs to be Bet with before withdrawing, meaning that you'll need to turnover any funds that you deposit into your account. You will also need to be Verified before you can withdraw funds.