Do you need to change the bank linked to your tastytrade account? If so, then you can quickly cancel your ACH bank relationship. Canceling an ACH relationship will not cancel any deposits already processing. To cancel deposits, please see this link here.
How to Unlink Your Bank Account
To cancel your ACH relationship or bank account, simply login to your account at manage.tastytrade.com then navigate to My Money>Deposits or Withdrawals. Once on the Deposits or Withdrawals page, navigate to section #2 and click Cancel This Linked Bank Account, as illustrated below:
Unlink bank account button location
To learn how to relink your bank account, please click here.