This would check out as a winning strategy. If you figure how to remove this arbitrage out before anyone else, then you nobody else can replicate your strategie

This would check out as a winning strategy. If you figure how to remove this arbitrage out before anyone else, then you nobody else can replicate your strategies. Since they were early in the quant game, this seems plausible (though other things mentioned here also seem plausible -- insider trading, lots of brilliant people, etc).