Simple Questions for somebody knowledgeable: Let say at the end of the year I showed a profit $1,000 with commissions at $250. Do I pay capital gains tax on $1,000 or $750? Or let's say at the end of the year I showed a loss of $1000 plus commissions of $250. Is my total loss for tax purposes $1,000 or $1,250? I would be filing simply with a 1040, no special status.