Polymarket Under Fire for Overriding Its Own Contract Language in Ceasefire Market Resolution

A dispute has emerged over Polymarket's resolution of a prediction market tied to the Israel-Hezbollah ceasefire, with critics alleging the platform effectively disavowed explicit language written into its own contract. The contested clause stated that if a referenced event was "definitively cancelled, or otherwise is not aired by May 31, 2026, 11:59 PM ET," the market would resolve to "No" — yet the outcome was reportedly flipped.

The controversy puts UMA Protocol's oracle dispute mechanism in the spotlight, as UMA serves as the decentralized resolution layer for Polymarket markets. When a platform's own written contract terms appear to conflict with the final resolution, it raises structural questions about whether oracle systems can be overridden by platform-level discretion.

For prediction market participants and DeFi observers, the episode underscores a persistent tension:…