What sports can I trade on prediction markets?

Prediction markets cover major leagues and events including the NFL, NBA, MLB, NHL, college sports (March Madness, College Football Playoff), soccer (EPL, Champions League), golf majors, tennis Grand Slams, UFC, and the Olympics. Markets range from game outcomes to season-long championship futures.

How are sports prediction markets different from sportsbooks?

Prediction markets function as exchanges where traders buy and sell contracts, with prices set by supply and demand rather than a bookmaker. This means odds reflect collective market sentiment and there is no built-in house edge. Contracts pay $1 if the outcome occurs and $0 if it does not.

Are sports prediction markets legal?

Kalshi is a CFTC-regulated exchange where US residents can legally trade sports-related event contracts. Polymarket operates as a crypto-based platform outside traditional US regulation. Limitless Exchange is a decentralized market on Base with zero fees. Always check your local laws before trading.

Sports Prediction Market Odds 2026 - NBA, NFL, MLB & More

Total Active Markets

Count of all non-resolved markets currently tracked across Polymarket, Kalshi, and Limitless.

121,838

Total Volume

Lifetime trading volume across all platforms. Polymarket and Kalshi report volume directly; Limitless volume is cumulative USDC traded.

$5,565,533,998

24h Volume

24-hour trading volume. Polymarket and Kalshi report this directly. Limitless does not break out 24h volume separately, so it is not included.

$463,658,245

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.

$2,630,155,679

Polymarket$2.26BOIOpen interest: sum of pool liquidity across all active markets, reported by the Polymarket API.

Kalshi$350.04MOIOpen interest: total contracts outstanding across all active markets, reported by the Kalshi API.

Limitless$18.32MOIOpen interest: estimated from total volume traded (USDC). Limitless does not report a separate OI metric.