As you can leverage OPM (Other People's Money) you can use a high leverage then you are not deployed in a riskier position. However, you are also 1:500 is $ 500 risking $ 24.500 risking. It is a great location if you can pay, but if the price goes down a bad state. Trial based on your success .... So, you have done well? If so purhaps, high rist well. However, when you jump for real, things seem a little different. If you can not afford to lose so much, depending on ... High leverage ... If you lose it, you can not afford to go .... Go to leverage low ... In both cases you can expect to receive a benefit, but will reduce the risk of lower leverage. Then you do a little wetter ... The risk of higher leverage and move your feet.