According to DefiOasis, Polymarket now has more than 1.7 million business addresses. Yet only about 30% of them made a profit. Simply put, around seven out of ten addresses traded on Polymarket ended up losing money.
The numbers paint a clear picture of the inequality of outcomes in onchain markets, even when participation is broad and transparent.
A small group wins most of the winnings
The data highlights a high concentration of profits at the top. Winning over $1,000 already places an address in the top 4.9% of all Polymarket traders. Go a little higher and the gap widens quickly. Less than 0.04% of addresses captured more than 70% of all profits made on the platform. This means that a small group of very successful traders walked away with most of the gains.
The most profitable addresses brought in modest sums. The largest group of winners won between $0 and $1,000, suggesting that consistent small wins are more common than big successes. On the other hand, around 1.1 million addresses suffered losses between $0 and $1,000. These users likely made a handful of trades, paid fees, and missed the timing or results with low margins. This reflects what traditional markets have shown for decades: many participants trade, but only a few significantly outperform.
170% of Polymarket 30%; ~ 70%
Exchange rate 0.04% Exchange rate 70%
0 – 1,000… pic.twitter.com/jAj3SXsxVO
– defioasis.eth (@defioasis) December 29, 2025
A real-world comparison is useful. Retail stock traders during the boom of 2020 and 2021 also experienced uneven results. Studies later showed that a small fraction of active traders captured most of the profits, while many others lost small but consistent amounts over time. Polymarket appears to be following a similar path, only on-chain.
Learn more about Polymarket
An anonymous Polymarket trader turned a modest $1,000 stake into approximately $2 million by exploiting microstructure arbitrage, a strategy that takes advantage of small price gaps created by order flow and timing. Rather than making big directional bets, the trader executed more than 13,000 high-frequency trades, buying and selling contracts repeatedly to capture tiny inefficiencies that most users overlook.
🔥 INTERESTING: An anonymous Polymarket trader returns between $1,000 and $2 million via microstructure arbitrage, executing over 13,000 high-frequency trades. pic.twitter.com/wxiEvuRl4R
– Cointelegraph (@Cointelegraph) December 26, 2025
The case shows how Polymarket is evolving beyond simple prediction betting to a more complex trading venue, where speed, discipline and a deep understanding of market mechanics can surpass intuition and headlines.
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