Given the number of people trying to beat the market with their personal algos, at least a few are certain to beat the market for many years, even if their stra

Given the number of people trying to beat the market with their personal algos, at least a few are certain to beat the market for many years, even if their strategies were no better than random. Edit: I don't mean to suggest that it can't be done. I'm just suggesting that the existence of people beating the market may not be a good indicator of your ability to beat the market.