A study of 2.9 million wallets conducted by Galaxy Research reveals that 69.2% of retail Polymarket accounts finished below break-even, accumulating a combined net loss of $338.9 million. The analysis examined the full on-chain settlement record of Polymarket's international platform using data curated by oracle network Stork.
Automated Accounts Dominate Market Gains
To distinguish individual human traders from algorithmic scripts, Galaxy established a cutoff threshold of 50 orders per active day. This filter removed 125,429 automated accounts, which collectively generated 80.8% of all platform orders and finished $246.8 million in profit.
Among the remaining retail addresses, the median account experienced a net loss of approximately $3, while heavy losses were concentrated in the lower tail, with the bottom 1% losing at least $4,804. Loss-making activity also drove user attrition, as 15.2% of accounts stopped trading within 30 days of a losing trade, compared to a 6.1% inactivity rate following a win.
Key takeaways from the Galaxy Research report include:
- Retail Losses: 69.2% of retail wallets sit $338.9 million in the red, with the bottom 1% losing $4,804 or more.
- Bot Dominance: 125,429 automated accounts generated 80.8% of platform orders, securing $246.8 million in net profits.
- Sports Sector Drag: Sports specialists saw the lowest success rate, with only 25.1% achieving profitability.
- Concentrated Earnings: The data aligns with a prior Yale study showing 3% of traders captured 27% of overall profits.
Sports Specialists Experience Lowest Profitability
Galaxy categorized 44.1% of platform users as specialists, defined as trading over 60% of their volume within a single topic. Sports traders made up 47% of all specialists but recorded the worst performance of any category, with only 25.1% finishing in profit. By comparison, tech and science specialists achieved a 41.2% profitability rate, while generalist accounts reached 30.4%.
The findings arrive as Polymarket expands its separate domestic platform, where Front Office Sports reported the company pays LeBron James $15 million annually to promote football markets. This commercial push aligns with regulatory focus across prediction products, similar to recent developments around the CFTC advisory on event mention markets.
Why It Matters
The research demonstrates that decentralized prediction platforms function similarly to traditional sportsbooks and financial markets, where retail liquidity largely funds sophisticated market makers and algorithmic traders. However, high retail loss rates do not diminish the utility of prediction platforms as information aggregators. As Galaxy noted, "Polymarket can be an unprofitable endeavor for most participants and a forecasting tool for nonparticipants at the same time," showing that noisy retail order flow remains essential for informed traders to price probabilities efficiently.
