Once you have deposited via your bank card, please note that at first, you will only be able to withdraw to the same bank card. The amount must not be larger than the total amount of the deposit made on the card.
The rest of the funds can go to the bank account (not the card) or to e-wallets like Skrill or Fasapay. Please see the complete list in our IQ Option review article.
Please check FAQ number 1, to find the attachment.
Also, here is the article we have made on why the IQ option blocks a trader’s account.