They tweeked every possible technical study, they have used fundatmental research, they've played splits runs, you name it. All have produced limited success. Success that could not be relied on for consistant profits. You might want to get reacquainted. But they don't have to be.
Algorithms are a part of life.
All Trading uses an exact mathematical algorithm that works every time, not a percentage of the time. Drawdowns are minimal. Profits are exceptionally High. All Trading has mathematically beaten the stock market. Let's say you and a friend make a bet on the flip of a coin.