Finance News

Story: Polymarket Traders Face $131 Million Net Loss as Bots Dominate Prediction Markets

By Bruce Buterin

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Bots and Quants Clean Up. A small group of high-volume traders grabbed most of the profits.

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Open Markets Cut Both Ways. Polymarket doesn't limit successful bettors. Traditional sportsbooks do.

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Regulatory Questions Loom. Brokers offering these markets see a familiar pattern. Most retail clients lose money.

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More than 100,000 Polymarket wallets took losses. Big ones.

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Bloomberg News ran the numbers and found that over 100,000 wallets on the platform lost at least $1,000 since early 2025.

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A small group of high-volume traders grabbed most of the profits. These aren't your average retail bettors clicking around on their phones.

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On-chain analysis backs this up. About 70% of trading addresses on Polymarket ended in the red.

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Prediction markets attract quantitative funds for a reason. They see retail traders as liquidity—basically, a pool of money waiting to be tapped.

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Polymarket doesn't limit successful bettors. Traditional sportsbooks do. If you win too much, they'll cut your betting limits or boot you entirely.

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That sounds fair on the surface. But it creates an environment where high-frequency traders and quants can operate without restrictions.

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The setup mirrors what happens in forex or crypto margin trading. A lot of retail accounts open positions, and a lot of them lose. Brokers know this. Regulators know this too.

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For quantitative funds, Polymarket is basically a playground. The platform offers a steady stream of less-informed trading flow. That's valuable.

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Related: Vitalik Buterin Pockets $70K Betting Against Hype on Polymarket Prediction Markets

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Brokers offering these markets see a familiar pattern. Most retail clients lose money. It's not unique to prediction markets.

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Transparency can be a double-edged sword. Bloomberg's analysis makes the losses visible. Over 100,000 wallets down at least $1,000 each.

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