Massachusetts is the first US state where a court has formally blocked prediction-market sports contracts. On January 20, 2026, a Suffolk County Superior Court judge ruled that Kalshi's sports event contracts are subject to Massachusetts gaming laws and issued an injunction barring the platform from offering them to Massachusetts residents. The ruling followed a lawsuit filed by Attorney General Andrea Joy Campbell alleging "illegal and unsafe sports wagering operations." A federal appeals court has since granted Kalshi a temporary stay during appeal, but the underlying legal posture in Massachusetts is the most restrictive of any major US prediction-market state.
For Massachusetts residents in 2026, this means a split reality: non-sports prediction markets remain available on every major CFTC-regulated platform, but sports event contracts on Kalshi, DraftKings Predictions, FanDuel Predicts, OG.com and Polymarket are not available to MA addresses while the court order is enforced. This page tracks what is and is not legal in Massachusetts as of April 21, 2026, and walks through every CFTC-regulated platform's current Massachusetts status.
Massachusetts Prediction Market Timeline 2025–2026
- March 2025 — Kalshi launches sports event contracts nationally, including to Massachusetts residents.
- November 2025 — Massachusetts Attorney General Andrea Joy Campbell files suit in Suffolk County Superior Court alleging KalshiEX LLC operates an illegal sports betting platform under [M.G.L. c. 23N](https://malegislature.gov/Laws/GeneralLaws/PartI/TitleII/Chapter23N), the state's sports-wagering statute that vests authority in the Massachusetts Gaming Commission.
- January 20, 2026 — Suffolk Superior Court rules Kalshi's sports contracts violate state law, issues an injunction. Coverage in Reuters and Bloomberg Law treats this as the first state-court loss for the prediction-markets industry.
- March 2026 — A federal appeals court grants Kalshi temporary breathing room: the MA injunction is stayed pending appellate review of the federal preemption question.
- April 2026 — Congressional Research Service publishes [LSB11406](https://www.congress.gov/crs-product/LSB11406) on prediction markets and insider trading; Massachusetts cited as the lead state plaintiff in the broader federal-vs-state preemption fight that may reach the US Supreme Court in 2027.
Why Massachusetts Is Different
Most states have allowed CFTC-regulated prediction markets to operate while the federal preemption question works through the courts. Massachusetts moved first and most aggressively for three reasons:
- An active, well-funded sports betting market. Massachusetts legalized retail sportsbooks in 2022 and online sportsbooks in March 2023. DraftKings (headquartered in Boston), FanDuel, BetMGM, Caesars, ESPN BET and Fanatics Sportsbook are all licensed by the Massachusetts Gaming Commission. State officials view Kalshi as a direct competitor evading the licensing regime that MA-licensed sportsbooks pay for.
- A consumer-protection-led AG. Attorney General Campbell's office has framed prediction-market sports contracts not as a federal-preemption question but as an unsafe consumer product — the [official AG news release](https://www.mass.gov/news/ag-campbell-sues-online-prediction-market-for-illegal-and-unsafe-sports-wagering-operations) emphasizes lack of state responsible-gaming protections, lower 18+ age threshold (vs. the 21+ Massachusetts sports betting age), and absence of MA self-exclusion lists.
- A favorable home court. The Suffolk County Superior Court has historically deferred to the Gaming Commission on what constitutes "wagering" under state law.
What Massachusetts Residents Can Trade Right Now
Even with the sports injunction in place, Massachusetts residents have legal access to the full non-sports prediction-markets catalog:
- Politics: 2026 midterm control of Congress, gubernatorial races, ballot questions, Supreme Court rulings, regulatory milestones.
- Macroeconomics: Federal Reserve rate decisions, monthly CPI prints, GDP releases, Treasury yield ranges, recession probability contracts.
- Crypto: Bitcoin and Ethereum price brackets, ETF flow contracts, regulatory event markets.
- Entertainment & culture: Award-show outcomes, box-office milestones, AI benchmark releases.
- Climate & weather: Hurricane landfall, temperature records (climate science contracts on Kalshi).
On April 21, 2026, non-sports markets account for roughly 38% of total Kalshi volume — meaningful liquidity is available to Massachusetts residents on those categories. What you cannot trade from a MA-resident account: NFL, NBA, MLB, NHL, college sports, golf majors, MMA/UFC, soccer or any other sports event contract.
Best Prediction Market Platforms for Massachusetts Residents
These are the eleven platforms we track, ranked by their current usefulness to a Massachusetts resident in April 2026:
Kalshi — The most-affected platform. Sports contracts blocked under the Suffolk court order; politics, macro, crypto and climate markets fully available. $1 minimum deposit. CFTC Designated Contract Market. Best choice for non-sports trading.
Robinhood — Routes its prediction-market volume through Kalshi. Available in Massachusetts for non-sports markets only. Zero commission. Existing Robinhood brokerage users can enable prediction markets in the same app.
Polymarket US — Available in Massachusetts following the QCEX acquisition. Crypto and political markets are the strongest categories. Sports contracts are subject to the same Massachusetts court order.
DraftKings Predictions — Headquartered in Boston, DraftKings is in the awkward position of operating a Massachusetts-licensed sportsbook *and* a federally-regulated prediction market that cannot offer sports to its home state. Non-sports markets are available; sports contracts are blocked.
FanDuel Predicts — Same dynamic as DraftKings. FanDuel holds a MA sportsbook license through the Plainridge Park Casino partnership, which means its prediction-market sports product is unavailable to MA residents. Non-sports markets available.
Fanatics Markets — Fanatics Sportsbook is licensed in Massachusetts; the prediction-market arm follows the same sports-vs-non-sports split. Limited non-sports catalog compared to Kalshi.
OG.com (Crypto.com's prediction brand) — Available in Massachusetts but only for non-sports markets. Strong crypto and political contract coverage.
Sleeper Picks — Fantasy-style prop markets. Sleeper does not currently offer event contracts to Massachusetts residents pending its own state-level review.
Novig — Peer-to-peer sports exchange focused on no-vig pricing. Not available in Massachusetts.
Chalkboard — Sports-only prop platform. Not available in Massachusetts.
Rebet — Social-feed prediction markets. Not currently licensed in MA.
Eligibility Checklist for Massachusetts Residents
Before opening a prediction-market account from a Massachusetts address, confirm:
- You are 18 years or older. Note the age gap with state-licensed sports betting (21+).
- You can pass identity verification (government ID + SSN) — required by CFTC KYC rules.
- You are funding from a US bank account, debit card, or supported crypto wallet (USDC on Polymarket).
- You are not on the Massachusetts Gaming Commission self-exclusion list (note: prediction-market platforms are not currently required to honor the state list, which is one of AG Campbell's core complaints).
- You will only trade non-sports markets while the Kalshi injunction is in force.
Deposit, Withdrawal & Tax Notes for Massachusetts
- Deposits: ACH and debit card on Kalshi, Robinhood, DraftKings Predictions, FanDuel Predicts. USDC on Polymarket. Minimum $1 on Kalshi.
- Withdrawals: Standard ACH 1–3 business days. No Massachusetts-specific withdrawal restrictions on prediction-market platforms (unlike state-licensed sportsbooks, which require in-state geolocation at withdrawal).
- Taxes: Massachusetts Department of Revenue has not published guidance on prediction-market gains. Federal IRS treatment of CFTC-regulated event contracts is generally Section 1256 (60% long-term / 40% short-term) but consult a tax professional. Massachusetts state income tax (5%) applies to taxable gains.
Local Sports Angle: What Boston Fans Cannot Trade
If you are a Massachusetts resident and want to trade event contracts on the Patriots, Celtics, Red Sox, Bruins or Revolution, you currently cannot under the Suffolk court order. Use a state-licensed sportsbook (DraftKings, FanDuel, BetMGM, Caesars, ESPN BET or Fanatics Sportsbook) for sports wagering. The court order may be stayed or reversed on appeal — we update this page when the appellate court rules.
What Happens Next
Three things to watch over the rest of 2026:
- First Circuit appellate ruling. Kalshi appealed the Suffolk court injunction to the federal First Circuit. A decision is expected mid-to-late 2026.
- CFTC enforcement posture. The CFTC has sued Arizona, Connecticut and other states for trying to enforce gambling laws against Kalshi. Massachusetts has not yet been named in a federal CFTC suit, but the dynamic is similar.
- Supreme Court certiorari. Prediction-market traders themselves [currently price a 64% probability that the Supreme Court accepts a sports event contract case by end of 2026](https://www.hklaw.com/en/insights/publications/2026/04/federal-appeals-court-cftc-jurisdiction-over-sports-event-contracts). A Supreme Court ruling would settle the Massachusetts question one way or the other.
Sources
- Massachusetts Attorney General [press release on the Kalshi suit](https://www.mass.gov/news/ag-campbell-sues-online-prediction-market-for-illegal-and-unsafe-sports-wagering-operations)
- Reuters: [Kalshi cannot operate sports-prediction market in Massachusetts, judge rules](https://www.reuters.com/world/kalshi-cannot-operate-sports-prediction-market-massachusetts-judge-rules-2026-01-20/)
- Bloomberg Law: [Kalshi Wins Breathing Room on Massachusetts Ban During Appeal](https://news.bloomberglaw.com/litigation/kalshi-wins-breathing-room-on-massachusetts-ban-during-appeal)
- Congress.gov CRS: [LSB11406 — Prediction Markets and Insider Trading Law](https://www.congress.gov/crs-product/LSB11406)
Platform Availability in Massachusetts
Related on PredictionRanks
Related Markets
Frequently Asked Questions
§ References & Sources
- Commodity Futures Trading Commission (CFTC)— U.S. federal regulator
- CFTC Designated Contract Markets list— CFTC
- 26 U.S. Code § 1256 — Section 1256 contracts marked to market— Cornell Law / U.S. Code
- IRS Form 6781 — Gains and Losses From Section 1256 Contracts— Internal Revenue Service
- National Council on Problem Gambling — 1-800-GAMBLER— NCPG