Quantitative trading is not fortune‑telling! Win rate is only 51%, how does it become a money‑printing machine? The algorithm doesn't look at names or stories, it only weights stocks and calculates expected value; retail investors seek to get it right once, the algorithm allows a hundred thousand mistakes, it doesn't chase winning, only being correct! I'll dissect the five organs of quant for you, it's not the algorithm but the logic that matters!