Just to confirm this, are you saying you sent from Fubon Taiwan to IBKR US and there was only a 12.5 USD intermediary fee? Sending to IBKR’s Citi account from Hua Nan I got an intermediary fee of 20 USD. May I ask which of IBKR’s bank accounts you sent to? They have Citi and US Bank and it’s random which one they assign to you. My wife is US Bank and I’m Citi.