Polynews

Real-time trade stream with market summaries (2hr rolling window, $500+ trades)

Cross-platform arbitrage detection between Polymarket and Kalshi: matched markets, price spreads, fee-adjusted EV. Coverage: liquid Polymarket markets in politics/geopolitics/elections/tech/economy/finance; low-volume long-tail, sports, culture, and weather are not included.

Historical price data with configurable timeframes (1H/6H/1D/1W/1M/ALL)