Polymarket switched its short-duration crypto up/down markets (BTC, ETH, SOL, XRP, and others) to Time-Weighted Average Price (TWAP) resolution on August 7, 2026, at 00:00 UTC. This replaced single-price snapshot settlement with Chainlink-powered averages, sharply reducing last-second manipulati...
Source: [Dev.to](https://dev.to/cryptomoonday/how-to-build-a-polymarket-trading-bot-after-twap-implemented-1fc1)