Prediction markets, ranked by who actually has a book.
S tier
@Polymarket — still the only one with real depth.
@Kalshi — biggest book in the category. Fiat, regulated, sports-heavy. Not onchain.
@OG_com — Crypto(.)com’s regulated US book. Real volume, fiat rails.
@RobinhoodApp — Kalshi/OG distribution, not its own book.
A tier
@predictdotfun — strongest BNB book.
@opinionlabsxyz — BNB macro/crypto challenger that actually has flow.
@trylimitless — best short-dated crypto markets on Base.
@azuroprotocol — infra, not a front-end. Powers a lot of sports apps.
@HyperliquidX — native markets for people already on HL.
B tier
@MyriadMarkets — media-embedded, casual size only.
@DriftProtocol — Solana, capital-efficient, thinner books.
@SX_Bet — sports-first onchain venue.
@Overtime_io — onchain sportsbook. Deeper props than Poly, smaller size.
@Novig — US sports P2P, regulated. Not crypto-native.
C tier
@GlimpseMarkets — Bitcoin-native range book, focused on price forecasts, not politics.
@xomarket — permissionless markets, liquidity still split.
@Predictstreet — FIFA-tied sports book, not a crypto-native venue.
@magicmarkets — sports aggregator, thin vs the majors.
@TurboFlow_xyz — short-dated event contracts, still small.
@AugurProject — OG protocol in reboot mode. Almost no live book.
@PancakeSwap — short BTC up/down.
@PredictIt — old US politics cap. Tiny vs Kalshi/Poly.
D tier
@manifold_markets — play money. Good for practice, not real size.
@metaculus — forecasting site, not a live crypto book.
@hedgehog_markets — Solana leftover, barely moving.
@Polkamarkets — old Polkadot experiment. Dead volume.