30% isn't bad. As another poster pointed out, drawdown is always a concern.
I trade a variation on the turtle method. A kind of journal on this is here: Futures Trades: The Ones I Take
Good luck!
What market force keep e-minis priced "correctly", ie, the same or close to their full contract cousins? Is it only the certainty of the same settlement price at the end of the session?
I'm a little new to futures. Watching things like the Japanese Yen and the e-mini Japanese Yen trading on...