> if a foreign speculator makes a lot of money they aren't even paying any income or capital gains taxes here. False, even if you're not US resident, you still

> if a foreign speculator makes a lot of money they aren't even paying any income or capital gains taxes here. False, even if you're not US resident, you still have to file non-resident tax returns and pay taxes on all US sourced income. https://www.irs.gov/individuals/international-taxpayers/nonresident-aliens-source-of-income https://www.irs.gov/individuals/international-taxpayers/nonr... > A nonresident alien (NRA) usually is subject to U.S. income tax only on U.S. source income.