Count of all non-resolved markets currently tracked across Polymarket, Kalshi, Limitless, and Predict.fun.
187,241
Total Volume
Lifetime trading volume across all platforms. Polymarket and Kalshi report volume directly; Limitless volume is cumulative USDC traded. Predict.fun volume is measured on-chain from BSC fills (each trade counted once), from the date we began tracking.
$7.20B$7,201,187,222
24h Volume
24-hour trading volume. Polymarket and Kalshi report this directly. Predict.fun 24h volume is measured on-chain. Limitless does not break out 24h volume separately, so it is not included.
$401.67M$401,667,751
Total Open Interest
Polymarket: sum of pool liquidity. Kalshi: open interest (contracts outstanding). Limitless: uses total volume as a proxy — no separate OI metric is available. Predict.fun: not included.
$1.91B$1,913,795,181
By venuePolymarket$989,129,823OIOpen interest: sum of pool liquidity across all active markets, reported by the Polymarket API.Kalshi$907,076,553OIOpen interest: total contracts outstanding across all active markets, reported by the Kalshi API.Predict.fun$13,485,336OIEstimated from visible orderbook depth (top-of-book bid/ask dollars). Volume is measured on-chain from BSC fills.Hyperliquid$633,34124h vol24h volume measured by us from Hyperliquid’s own per-interval trading data since we began tracking each market — not a venue-reported figure. It is an estimate: Hyperliquid publishes share volume rather than dollars traded, so each interval is priced at its average. Open interest is not available over the public API.Limitless$4,103,469OIOpen interest: estimated from total volume traded (USDC). Limitless does not report a separate OI metric.
