The onchain analytics platform Arkham Intelligence has just launched a novel ranking system designed to identify the best-performing traders in prediction markets. This Monday, the firm announced via its X account that the tool implements an Elo/MMR-style scoring mechanism that evaluates users strictly based on the accuracy of their forecasts, rather than the volume of capital wagered.
INTRODUCING: PREDICTION MARKET ELO
— Arkham (@arkham) June 29, 2026
Some traders consistently win on Polymarket, bet after bet.
We’ve created prediction market performance ratings (Elo) on Arkham Intel to help you find them. Here’s how it works: pic.twitter.com/NWg9WXxJIA
This new approach prioritizes the win rate over total profits (P&L), allowing smaller investors with solid strategies to outrank accounts with greater resources. The launch coincides with a surge in trading volumes on leading platforms like Polymarket—the initial target of this ranking—and growing interest from giants like Robinhood or Coinbase in expanding their own prediction services.
Users can now check real-time rankings from Arkham’s analytics page to follow the moves of market leaders, such as the trader “GardenerCx”, who tops the list with 64.3% accuracy. The next step for the community will be to evaluate how this transparency influences short-term trader behavior.
Source: https://x.com/arkham/status/2071653290752754030
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