Right, but how can I make a living out of it? As banks do.
This model is good as charity but not as banking model. Because basically I don't care for this money for my living and I don't care it it won't get paid back.
Scam this? Because no interest is paid for the loan there is no actual business relation between two parties here. This is basically give away money and not a loan.
Keep in mind when you trade futures with IB that they don't make the margin calls and your positions get immidiately liquidated once they drop below the margin limit even though your cash balance is not 0.
Average return of 100% a year? Since most of them are done trading after 2-3 years because of the stress this does not make it in my mind a good statistics.
Leverage aside returns of futures investor equal to returns of cash investor including dividends. With the leverage returns of futures investor equal to returns of cash investor including dividends minus the interest on cash amount held in T-bills.