TIL that it is a thing in the US... I thought you were investing via a Canadian bank as a US tax resident... that incurs a shit ton of extra IRS forms....
Either way it will all sort itself out with an extra star or a maple leaf in the blue rectangle on the flag
The new irs laws only revealed yesterday allow you to deduct 90% of losses and get taxed on 100% of your winnings. Google it, you'll find it by the new tax brackets announcement