Sports prediction markets are no longer a niche product. Global prediction market trading volume surged more than 400% from 2024 to 2025, reaching nearly $64 billion. Sports event contracts account for more than 80% of prediction market trading activity.
In March 2026 alone, Kalshi posted $12.35 billion in monthly notional volume and Polymarket crossed $10 billion in monthly volume for the first time, both all-time records driven by NCAA Tournament trading.
This is not gambling dressed up differently. Sports prediction markets are federally regulated financial derivatives where you trade contracts priced at 0 to $1 based on event outcomes. The price reflects collective probability. If the outcome happens, the contract pays $1. If it does not, it pays $0.
This guide covers the 10 platforms actively offering sports prediction markets in 2026, ranked by trading volume, sports coverage, fees, and regulatory status, with only verified data from primary sources.
How Sports Prediction Markets Work
Before the rankings, the mechanics matter.
The core difference from sportsbooks
- A sportsbook sets odds and you bet against the house. The house always has an edge built in.
- A prediction market is a peer-to-peer exchange. Prices are set by other traders, not the platform.
- If a contract shows 65 cents, the market believes there is a 65% probability of that outcome
- You buy at 65 cents. If you are right, the contract pays $1. Your profit is 35 cents per contract.
- If you are wrong, you lose the 65 cents you paid
Why sports are the dominant category
Sports makes up more than four-fifths of Kalshi's trading and 100% of Polymarket's US-based activity.
Sports events are ideal for prediction markets because:
- Outcomes are binary and objectively verifiable
- Events resolve quickly, hours not months
- Volume is continuous with daily games across multiple leagues
- Resolution criteria are clear and rarely disputed
For a deeper understanding of how prediction markets work mechanically before placing any trade, the complete Polymarket guide covers the full structure from contract pricing to settlement.
The 10 Best Sports Prediction Markets in 2026
1. Kalshi
- Regulation: CFTC-licensed, federally regulated
- Available in: All 50 US states
- March 2026 monthly volume: $12.35 billion (all-time record)
- Sports covered: 17 sports including NFL, NBA, NHL, MLB, NCAA, UFC, soccer, tennis, golf
Kalshi is the dominant sports prediction market by volume in the US. Kalshi's $12.35 billion in March 2026 surpassed its previous all-time high of $10.44 billion set during Super Bowl month in February, an 18.3% month-over-month jump.
What makes it the top platform
- More than $1 billion was traded on Kalshi for the Super Bowl, up 2,700% from the prior year. Kalshi saw record downloads during Super Bowl week, up 1,544% from the same period last year.
- All ten of Kalshi's top markets by volume in March were college basketball games. The Elite Eight game between UConn and Duke on March 29 led the platform with $24.5 million in combined contract volume.
- Liquidity is strong with 80% of election market volume trading within 0.5% of the mid-price. In niche markets, trades over $20,000 may face slippage of 8 to 12%.
Fees: Kalshi charges fees built into its trading model, typically based on users' expected earnings per trade. They vary by contract type but rarely exceed 2% of your maximum profit.
Key sports markets
- Game moneylines and spreads across all major US sports
- Tournament winner futures including March Madness and Super Bowl
- UFC fight outcomes
- International soccer including Champions League
Who it is for: US traders who want the broadest regulated sports market coverage with deep liquidity and full CFTC consumer protections.
2. Polymarket
- Regulation: CFTC-approved via QCEX acquisition for US; global platform on Polygon blockchain
- Available in: Global (invite-only waitlist for US as of early 2026)
- March 2026 monthly volume: $10.15 billion (all-time record)
- Sports covered: NFL, NBA, NHL, soccer (Champions League, domestic leagues), NCAA
Polymarket's global platform exceeded $10 billion in monthly volume for the first time in March 2026, up 27.8% month over month, driven by a surge in both sports and geopolitical trading activity. Unique user count hit 768,476 months to date.
What makes it stand out:
- Polymarket does not impose trading fees on most of its main markets and charges no fees for deposits or withdrawals.
- The entire order book is on-chain. Every position exists as a smart contract on Polygon with full public transparency.
- Near-instant settlement in USDC with no counterparty risk from platform insolvency
- Polymarket's sports markets drew strong NCAA volume with the 2026 Tournament Winner futures contract at $2.1M weekly and individual game moneylines like VCU vs. Illinois at $4.1M.
Fees: Zero on most markets. A small taker fee applies to 5-minute and 15-minute crypto markets. No deposit or withdrawal fees.
US access note: Polymarket re-entered the US market after acquiring CFTC-licensed exchange QCEX. The US rollout started with waitlisted users and sports markets first, with broader categories expected later in 2026.
Who it is for: Global traders wanting the highest liquidity, zero fees, and full on-chain transparency. Crypto-native users comfortable with USDC and Polygon wallets.
For a detailed breakdown of how Polymarket and Kalshi compare head to head on fees, regulation, and market structure, the Kalshi vs Polymarket comparison covers every factor with real trade examples.
3. Robinhood Prediction Markets
- Regulation: Routes through Kalshi's CFTC-regulated exchange
- Available in: All 50 US states
- Volume: Robinhood reported 12 billion event contracts in 2025 and 4 billion contracts in the first months of 2026
- Sports covered: NFL, NBA, NHL, MLB, NCAA, and expanding
Robinhood's prediction market product is powered by Kalshi's infrastructure but delivered through Robinhood's existing app to tens of millions of users.
What makes it stand out:
- Robinhood Predictions is powered by Kalshi's regulated exchange infrastructure. Robinhood users have access to the same order book and pricing as Kalshi users.
- If you have a Robinhood account, you can be trading prediction markets in under two minutes without opening a new account, funding a new wallet, or learning a new interface.
- Robinhood's CEO called event contracts the "fastest growing business in the company's history." The platform reported a 300% rise in "other revenue," which is largely event contracts.
- As of March, 2026, Robinhood is aiming to evolve its prediction markets offering beyond sports into a full-platform institutional prediction product.
Fees: No explicit trading fees for users. Prices reflect the underlying Kalshi order book.
Who it is for: US users who already have a Robinhood brokerage account and want the lowest-friction entry point into sports prediction markets without a new account or new app.
4. DraftKings Predict
- Regulation: Routes through CME Group (CFTC-regulated)
- Available in: 38 US states at launch (December 19, 2025)
- Sports covered: NFL, NBA, MLB, NCAA, international sports
- Contract types: Game outcomes, player props, championship futures
DraftKings Predictions launched on December 19, 2025, in 38 states including California, Texas, and Georgia.
What makes it stand out:
- DraftKings is the largest daily fantasy sports operator in the US with an established user base familiar with sports contracts
- Routes through CME Group's CFTC-regulated infrastructure, the same gold standard used by institutional futures markets
- Integrated with DraftKings' existing sportsbook app, meaning users in states without legal sports betting can now participate in sports event trading
- DraftKings Predict benefits from DraftKings' data infrastructure and product design expertise. Markets are structured to feel intuitive, particularly for users already familiar with DFS contests or sportsbook odds.
Fees: Built into contract pricing through CME model. Varies by contract.
Who it is for: DraftKings sportsbook users in non-legalized states who want familiar sports market structure. Also valuable for daily fantasy players transitioning to event contract trading.
5. FanDuel Predicts
- Regulation: Routes through CME Group (CFTC-regulated)
- Available in: All 50 US states (sports contracts in 15 states)
- Sports covered: Baseball, basketball, football, hockey, and expanding
- Contract types: Game outcomes, financial benchmarks, economic indicators
FanDuel Predicts launched on December 22, 2025, initially in five states with a phased national rollout through early 2026.
What makes it stand out:
- FanDuel partnered with CME Group to launch FanDuel Predicts. FanDuel initially started with five states but has expanded into all 50 states. Sports contracts are available in 15 states including ones without legal online sports betting.
- Brand recognition drives trust among the tens of millions of existing FanDuel users
- Competitive pricing through dynamic, market-driven odds rather than fixed bookmaker lines
- Key advantage for users in California, Texas, and Georgia where traditional sports betting is not legal
Fees: Built into CME-routed contract pricing. No separate platform fee disclosed.
Who it is for: Existing FanDuel users in non-betting states who want a familiar brand for sports event contract trading. Also valuable in states with restricted sportsbook access.
6. Polymarket US (QCEX)
- Regulation: Fully CFTC-regulated via QCEX acquisition
- Available in: US users on invite-only waitlist as of early 2026
- Sports covered: NBA game lines (current); broader sports expansion expected
- Weekly volume: $5.9 million for the week of March 2 to 8, 2026
Polymarket US is the separate, CFTC-regulated US product distinct from Polymarket's global platform.
What makes it stand out:
- Polymarket US generated $5.9 million in weekly volume for the week of March 2 to 8. All 15 top markets by volume were NBA game lines, led by Oklahoma City Thunder vs. New York Knicks at $532,900.
- Direct regulatory compliance for US users without needing a crypto wallet or USDC
- 0.10% flat taker fee on the US venue, significantly lower than traditional sportsbook vig
- Inherits Polymarket's brand and liquidity infrastructure as rollout expands
Limitations: Still in early rollout stages. Sports-only for now. Political and economics markets expected in Q2 2026.
Who it is for: US users on the Polymarket waitlist who want a fully regulated domestic sports prediction product as an alternative to Kalshi.
7. OG.com (Crypto.com Sports Prediction)
- Regulation: Licensed prediction market and sports trading platform
- Available in: Select US states and globally
- Monthly volume: Crypto.com held steady at $158.7 million in weekly volume as of early March 2026, up 1.6% week over week
- Sports covered: NFL, NBA, MLB, NHL, international soccer, UFC
OG.com operates as a regulated prediction exchange with a sports-first focus, sitting between the pure financial exchanges like Kalshi and the sportsbook-backed products like FanDuel Predicts.
What makes it stand out:
- OG.com is licensed like a traditional sportsbook but structured more like a prediction exchange, giving sports bettors a familiar on-ramp to outcome-based contract trading.
- Expanding US state licensing steadily, among the few regulated alternatives to Kalshi for American sports traders
- Tightly integrated with Crypto.com's ecosystem, attractive for crypto-native sports traders
- Competitive fee structure for high-volume sports traders
Who it is for: Sports traders who want a regulated platform with familiar sports market structure and crypto-native payment rails. Good alternative to Kalshi for traders outside its strongest markets.
8. Limitless
- Regulation: Decentralised prediction market
- Available in: Global
- Weekly volume: Limitless generated $98.5 million in weekly volume for the week of March 2 to 8, 2026, down 23.2% week over week
- Sports covered: Major US sports and international leagues
Limitless is a decentralised prediction market operating on crypto rails with no US regulatory structure, targeting global sports traders outside regulated markets.
What makes it stand out
- Fully decentralised structure with no centralised custodian holding funds
- Global access without geo-restrictions that affect Kalshi or Polymarket US
- Competitive on-chain fees with no platform-level trading fee on most markets
- Fast market creation for emerging sports events that larger platforms take longer to list
Key risk: No CFTC regulation means no US consumer protections. Suitable for experienced crypto traders only.
Who it is for: Crypto-native global traders who want decentralised sports prediction exposure without regulatory constraints. Not suitable for US users seeking consumer protections.
9. Predict.fun
- Regulation: Decentralised, on-chain
- Available in: Global
- Weekly volume: Predict.fun generated $60.3 million in weekly volume for the week of March 2 to 8, 2026, down 33.8% week over week
- Sports covered: Major US sports, international leagues, niche sports events
Predict.fun is a DeFi-native prediction platform focused on yield-optimised sports prediction exposure. It allows idle capital to earn yield while waiting for event resolution, improving capital efficiency compared to platforms where funds sit dormant between markets.
What makes it stand out:
- Idle capital earns yield on deposited funds while positions are open
- Multi-chain support across BNB Chain, Linea, and Abstract
- USDT integration alongside USDC for broader stablecoin access
- Capital efficiency approach means your sports trading capital works harder than on single-function platforms
Key risk: Decentralised model with no regulatory framework. Smart contract risk applies.
Who it is for: DeFi-native sports traders who want prediction market exposure alongside yield generation on idle capital. Not suitable for users seeking regulatory protection.
For a full breakdown of how platforms like Predict.fun and Limitless compare against Kalshi and Polymarket on fees, regulation, and market coverage, the top Polymarket alternatives guide ranks every major platform in 2026.
10. PredictIt
Regulation: CFTC-approved (received full approval September 2025)
Available in: US
Sports covered: Limited sports focus, primarily political markets
Key strength: Longest-running regulated prediction market with deep political market liquidity
PredictIt received full CFTC approval in September 2025 after years of operating under a no-action letter.
What makes it stand out
- PredictIt is a strong secondary option, offering unmatched depth in down-ballot and niche political contracts since receiving full CFTC approval in September 2025.
- Longest institutional track record of any regulated US prediction platform
- Sports market coverage is limited compared to Kalshi, DraftKings, and FanDuel but the platform's liquidity and regulatory history make it trustworthy
- Established academic and research community uses PredictIt data as a forecasting benchmark
Fees: $0.10 per share purchased fee plus 10% fee on profits.
Who it is for: US traders focused on political prediction markets who want sports as a secondary option. Not the primary choice for sports-only traders.
Platform Comparison Table
How to Choose the Right Sports Prediction Market
Choose Kalshi if
- You are a US user who wants the deepest sports liquidity available
- CFTC regulation and consumer protections matter to you
- You want access to all major US sports plus UFC, soccer, and golf
- You want the broadest single platform for both sports and non-sports markets
Choose Polymarket if
- You are outside the US or on the US waitlist
- Zero trading fees on most markets is a priority
- You want on-chain transparency and self-custody of funds in USDC
- Sports combined with crypto and geopolitical markets is your trading mix
Choose Robinhood if
- You already have a Robinhood brokerage account
- You are new to prediction markets and want the lowest-friction starting point
- You want access to Kalshi's full order book without managing a separate account
Choose DraftKings Predict or FanDuel Predicts if
- You are in California, Texas, Georgia, or another state without legal sports betting
- You are already a DraftKings or FanDuel user and want a seamless transition
- You want brand familiarity and CME-regulated infrastructure without Kalshi's interface
Choose Limitless or Predict.fun if
- You are outside the US and want global access without regulatory restrictions
- You are a DeFi-native trader comfortable with smart contract risk
- Yield on idle capital matters alongside your prediction market trading
For a complete breakdown of how to maximise returns across whichever platform you choose, including position sizing, market selection, and exit timing, the top Polymarket trading strategies guide covers the practical frameworks that professional prediction market traders use across all platforms.
Sports Prediction Markets vs Traditional Sportsbooks
The one structural advantage sportsbooks retain is parlays. Parlays account for 67 to 70% of sportsbook revenue and up to 85% of profits for DraftKings and FanDuel. Prediction markets do not offer parlay-style products. If parlay betting is central to your strategy, a sportsbook remains the only option for that specific product.
If you are considering whether to use prediction markets as part of a broader sports trading strategy, the Kalshi prediction market trading strategies guide breaks down how professional traders approach both platforms with specific market selection and sizing frameworks.
Frequently Asked Questions
What is a sports prediction market?
A sports prediction market is a federally regulated financial exchange where you trade contracts on sports event outcomes. Each contract is priced between 0 and $1 based on what traders collectively believe the probability of the outcome is. If you are right, the contract settles at $1. If you are wrong, it settles at $0. Prices are set by other traders, not by the platform, which means there is no built-in house edge the way there is at a traditional sportsbook.
Which sports prediction market has the most volume in 2026?
Kalshi leads US-regulated volume with $12.35 billion in March 2026, its all-time monthly record driven by NCAA Tournament trading. Polymarket leads globally at $10.15 billion in March 2026, also its all-time monthly record. Combined, the two platforms account for over 93% of all tracked prediction market volume.
Are sports prediction markets legal in the US?
Yes. Federally regulated platforms licensed by the CFTC including Kalshi, Polymarket US via QCEX, DraftKings Predict via CME, and FanDuel Predicts via CME are legal in the US. They are classified as financial derivatives regulated federally, not as gambling regulated by individual states. Some states have filed legal challenges and sports contracts are not available in all states on all platforms. Always check your specific platform's state availability before signing up.
How are sports prediction markets different from sportsbooks?
Sportsbooks set odds and you bet against the house. Prediction markets are peer-to-peer exchanges where prices are set by other traders. Prediction markets have no built-in house edge on most contracts, no account limiting of winning traders, near-instant settlement, and fractional position sizes. Sportsbooks offer parlays, which prediction markets do not.
Do I need a crypto wallet to use sports prediction markets?
It depends on the platform. Kalshi, Robinhood, DraftKings Predict, and FanDuel Predicts require no crypto wallet and accept bank transfers or debit cards. Polymarket's global platform requires a Polygon-compatible crypto wallet funded with USDC. Limitless and Predict.fun also require crypto wallets. If you want sports prediction markets without crypto, Kalshi or Robinhood is the simplest starting point.
What sports generate the most volume on prediction markets?
NCAA basketball during March Madness generated the highest single-month volume in 2026, with Kalshi's top 10 markets in March all being college basketball games. The Super Bowl generated over $1 billion in single-day volume on Kalshi. NFL, NBA, and UFC markets consistently produce the highest weekly volumes throughout the year outside of major tournament periods.
