Winning Traders versus Losing Traders. http://www.financial-spread-betting.com/strategies/advice-pros.html Angus of Capital Spreads http://www.financial-spread-betting.com/ccount/click.php?id=3 comments. The main thing that separates winning traders from losers is discipline. Losing clients tend to move stop losses when a market goes against them whch is an ill strategy to have. Winners understand how much they're willing to risk on each trade. Successful traders have a trading strategy that they know inside-out and they stick to that strategy every time and stay disciplined.