I was thinking open an account with US broker (oanda), but i really don't know anything about US taxation law, what i wanna know am i obligate to pay any kind of tax to US as a non US citizen, non US resident, no green card holder and if i sign W8-ben?
Am i obligate report gains and losses to IRS or something like that?
Am i obligate report gains and losses to IRS or something like that?