I spent weeks, burned through millions of LLM tokens, tested BTC and ETH binary markets from 5-minute slots all the way to 4-hour windows, deployed bots across multiple VPS instances in Amsterdam, tuned 40+ config parameters, and wrote probably 3000 lines of Python trying to find edge in Polymarket's Up/Down markets.
Here's what I found: there isn't any. Not for me, not for you, probably not for most people reading this.
The math is clean and brutal. When both sides fill, you pocket roughly 7 cents per dollar. That part works. The problem is what happens the other 85% of the time — when only o