Take a look of today's volatility options, like SPX, SPY, VXX, VIX futures, etc..
I hope you will have a beginning of an answer.
Keep in mind that 100% on large accounts constantly or not, is just not advisable. Actually, any monthly or yearly profit goal will not make someone rich.
[Question in thread title.]
What system do they/you use? (Assuming you're willing to spill the beans, heh.) Call or put? Selling or buying?
An easy "system" or does it involve much complexity? What would you/they credit your/their returns to?
Yes, I'm a noob, obviously.
You make the 100% or whatever it is, a little at a time, not risking the whole thing at once.
2% a week is 100%. And 2% if you're good , is doable. Not easy , doable.
Actually trying to find intelligent life on the internet is much harder.