ME News reports that on May 26 (UTC+8), dispute resolutions on Polymarket are being dominated by a small number of UMA holders. Statistics show that among over 6,400 addresses that have participated in Polymarket dispute resolution voting over the past three years, just nine whale addresses account for approximately half of all UMA voting power and have sided with the winning outcome in nearly all disputes. In April 2026, around 230 contracts with total trading volumes exceeding $1 billion entered the dispute resolution process, representing less than 1% of all Polymarket contracts, but the frequency of disputes increases with trading volume. Some traders criticize the mechanism for effectively granting anonymous whale holders economic incentives-driven "de facto decision-making power," while plans originally pledged by Polymarket and Risk Labs, the team behind UMA, to improve the process have been put on hold. (Source: BlockBeats)
Polymarket dispute resolutions dominated by nine whale addresses
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Summary
Whale activity on Polymarket has drawn attention, as nine UMA whale addresses have controlled nearly half of the dispute voting power over the past three years. These whale movements have consistently supported winning outcomes. In April 2026, 230 contracts valued at over $10 billion entered dispute resolution—less than 1% of total contracts. Critics argue this grants anonymous whales disproportionate influence. Plans to improve the system remain stalled.
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