Good point but by that logic, why not have a ETF thats 3x spy? 4x? 8x? BearStearnsx?
What if SPY goes down close to 50% or more? Then you are screwed.
Also, SSO dividend / expense ratio = 1.60, 0.95%
SPY = 2.03, 0.08%
So you don't get exactly 2x leverage. So your downside swings are...