Earlier quoted context omitted.
No, I got that, as I stated. The issue is that half your trades are losing money, so where is that money coming from.
As I understand the argument, the money is coming from investors in the looser fund, which usually still makes a modest profit, and has great branding from also managing the winner fund. If RenTec medallion fund is capped at 10B and their other funds are 100B, every 1% profit they transfer is 10% performance improvement in medallion. As long as the large fund is still profitable, it is basically a management fee. Alt…
But for Winner to be beating the market, Sucker has to be underperforming the market, since hedge funds, on average, match or underperform the market (see Buffet's famous ten-year bet: hedge funds massively underperformed index funds).
If the managers of Sucker have figured out a way to outperform the market for 20 years, even while secretly giving away some of its earnings, then that would already be an incredibly impressive success story, even without the cheating.