Probably the least surprising news ever:
According to Bloomberg, over 100K accounts lost at least $1K on Polymarket since the beginning of 2025 (active accounts only)
So who is winning? A small group of automated bots. Not because the bots are better at predicting outcomes, but rather because of the execution edge. They get into markets quicker and get better fills. Retail investors actually ended up being accurate more often than bots, but lost money on trading late and at bad prices
Overall, the small group of bots who continue to win have netted over $130 million collectively