Sportsbooks vs. Kalshi in California: Why DraftKings and FanDuel Are Off the Table
DraftKings and FanDuel sportsbooks are illegal in California. Here's why, and how Kalshi and Polymarket event contracts fill the gap legally.
- California has zero legal online sportsbooks — DraftKings, FanDuel, BetMGM, and Caesars do not legally operate here.
- Props 26 and 27 both failed in November 2022 by wide margins, killing tribal and commercial sports betting bids.
- Kalshi and Polymarket operate as CFTC-regulated exchanges, not state-licensed sportsbooks, so they sidestep the state licensing fight entirely.
- Offshore sportsbooks remain illegal and carry real consumer-protection risk; DFS sites like PrizePicks occupy a separate legal category.
- Fee structures differ across exchanges: Kalshi charges a fee on net winnings, while Polymarket's US app charges no per-trade fee.
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If you've moved to California from a state with legal mobile sportsbooks, you've probably noticed something odd: DraftKings and FanDuel ads are everywhere online, but their sportsbook apps won't let you place a bet once they detect you're in California. That's not a bug — it's the law. California is one of the largest states in the country with no legal sports betting market of any kind, online or retail.
Why California still doesn't have legal sportsbooks
In November 2022, California voters faced two competing sports betting initiatives on the same ballot. Proposition 26 would have legalized in-person sports betting at tribal casinos and licensed racetracks. Proposition 27, backed by commercial operators like DraftKings and FanDuel, would have legalized statewide online and mobile sports betting through partnerships with tribes. Both measures failed decisively — Prop 27 lost by roughly 70 points, one of the most lopsided ballot outcomes in recent California history.
The core conflict was, and remains, tribal gaming sovereignty. California's tribal casinos hold exclusive rights to Class III gaming under existing compacts and viewed the commercial operators' statewide mobile push as a direct threat to that exclusivity. Tribes spent heavily to defeat Prop 27, and there's been no serious legislative movement toward a new ballot measure since. Absent a change in tribal-state compacts, don't expect a legal California sportsbook any time soon.
What that means practically
- •No licensed California sportsbook app exists — any app claiming otherwise is either geofencing you out or operating illegally.
- •Offshore sportsbooks (Bovada-style sites) are not legal and offer no state consumer protections, chargeback rights, or licensing oversight.
- •Daily fantasy sports (DFS) operates in a separate legal category some CA companies rely on, distinct from sports betting.
- •Federally regulated event-contract exchanges have emerged as the closest legal analogue to sports wagering for California residents.
How Kalshi and Polymarket are different
Kalshi is a CFTC-registered designated contract market — the same regulatory category as commodity and futures exchanges. Instead of a sportsbook setting odds and taking the other side of your bet, Kalshi runs an order book where traders take positions against each other on yes/no event contracts, and Kalshi collects a small trading fee for matching them. Because Kalshi is federally regulated rather than state-licensed, it operates in California without needing the gaming license that sportsbooks require.
Polymarket, historically a crypto-native prediction market, has moved toward U.S. compliance and now offers a path for U.S. users, including Californians, through its iPhone app and revamped compliance structure. Both platforms list contracts on major sporting events — game winners, prop-style outcomes, tournament results — alongside politics, economics, and culture markets.
The exchange model vs. the sportsbook model
A sportsbook is the house: it sets a line and takes the other side of your bet. An exchange is a marketplace: prices move based on supply and demand from traders on both sides, and the platform's revenue comes from transaction fees rather than betting against you. That structural difference is also the legal difference — it's why exchanges can register with the CFTC as commodities markets rather than seek state gambling licenses.
| Feature | Kalshi | Polymarket | Offshore Sportsbook | DFS (e.g., PrizePicks) |
|---|---|---|---|---|
| Legal status in CA | Yes — CFTC-regulated | Yes — via compliant U.S. app | No — illegal, unregulated | Operates under separate DFS framework |
| Model | Exchange / order book | Exchange / order book | House sets odds | Fantasy contest entry fees |
| Regulator | CFTC | Moving toward CFTC compliance | None (offshore) | State-by-state, limited CA oversight |
| Cost structure | Fee on net winnings | No per-trade fee | House-set pricing | Entry fee rake |
| Fund withdrawal | Bank transfer, ACH | Crypto or bank rails | Often delayed/unreliable | Standard ACH |
Fees, funding, and getting started
Kalshi funds via ACH bank transfer and charges trading fees embedded in contract pricing rather than a flat commission on every trade — costs are generally lower on contracts with prices near 50 cents and negligible near the extremes. Polymarket historically ran on crypto rails, though its U.S.-facing app has been building out easier funding options for mainstream users. Neither platform charges anything resembling a sportsbook's implied hold on a standard point-spread bet, though total cost depends heavily on how you trade.
Is this actually legal for me in California?
Yes, with an important caveat: legality here rests on federal CFTC oversight of the exchanges themselves, not a California-specific approval. That's a meaningfully different legal foundation than a state-licensed sportsbook, and it's part of why some state regulators and tribal groups have pushed back against these platforms nationally. As of 2026, Californians can open accounts and trade sports, political, and culture contracts on Kalshi and Polymarket without violating state law, but always confirm current platform availability and read the terms before funding an account.
Bottom line
California isn't getting a legal DraftKings or FanDuel sportsbook any time soon — tribal gaming interests and the 2022 ballot results make that clear. But the underlying consumer appetite for trading on sports and event outcomes hasn't gone anywhere, and federally regulated exchanges like Kalshi and Polymarket have stepped into that space with a fundamentally different, and currently legal, structure.
Last reviewed by Catie Di Stefano on August 7, 2026. We re-verify market prices, polling, and citations on every update.
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Sources & references
- 1.Commodity Futures Trading Commission — Event Contracts — CFTC.gov
- 2.Kalshi wins court battle to offer election contracts — Reuters
- 3.Prediction markets coverage — Wall Street Journal
External links open in a new tab. We cite primary regulatory and major news sources where possible. Citations to trusted regulators (CFTC, SEC, IRS, NOAA, .gov, .edu) are dofollow; commercial outbound links are not endorsements.
Catie Di Stefano has spent 15 years working with online gambling across some of the most regulated and competitive gambling markets in the world.
Starting at Betsson Group in Malta in 2011, she has in recent years worked her way through VIP management, CRM, gamification and marketing leadership across European and North American operations. Catie was a licensed consultancy for Hard Rock Casino in New Jersey, where she held a DGE vendor license and owned the execution of the online CRM program from launch day in 2018.