You may withdraw your available cash balances via bank wire transfer.
Please refer to the following tutorial link:
https://help.stackermarket.com/en/articles/6098855-how-to-make-a-fund-withdrawal-from-my-account
Related articles:
Is there a fee to request/process a fund withdrawal?
Can I wire my funds to a different bank than the one I funded with?
Is there a maximum withdrawal amount?
http://help.stackermarket.com/en/articles/5355804-is-there-a-maximum-withdrawal-amount
How long does it take to receive funds from a withdrawal?