Arkansas Prediction Markets: How Event Contracts Walk Past the Three-Casino Wall

Put plainly, they are available and actively used in Arkansas, but their legality is genuinely contested — more contested here than in a state that has simply stayed silent. As of August 2, 2026, residents can open and fund CFTC-registered exchanges and trade event contracts, and no court order or enforcement action stops them. At the same time, Arkansas is one of the few states whose top law-enforcement officer has put in writing that he considers the activity unlawful.

The operators’ theory is the same one they run everywhere. A company like Kalshi holds CFTC registration as a Designated Contract Market, the federal category used for commodity futures exchanges, and it treats each event contract as a swap governed by the Commodity Exchange Act. If a contract really is a federally regulated swap, then the CFTC owns the field and an Arkansas gambling statute cannot reach it, license or no license. That is the argument that lets an exchange list a Razorbacks contract in Fayetteville without filing a single page with the Racing Commission.

Arkansas has pushed back on paper but not in court. Attorney General Tim Griffin concluded in a 2025 opinion that these platforms are conducting gambling that requires a state license they do not hold, which in his reading makes them illegal here. An attorney general opinion, though, is an interpretation of the law, not the law itself and not a binding order. No Arkansas agency has followed it with a cease-and-desist letter to a prediction-market operator, no prosecutor has charged one, and no judge has enjoined one. So the practical status is a standoff: the state’s chief legal officer says the activity violates Arkansas law, the platforms keep serving Arkansans under federal registration, and nobody has yet forced the question in front of a judge inside the state.

The larger uncertainty is national. Federal courts disagree on whether sports event contracts are swaps or unlicensed bets, and a decision from a federal appeals court or the Supreme Court would set the rule Arkansas platforms live under whether or not Arkansas is a party to the case. The current access rests on the federal theory holding, not on anything Arkansas has affirmatively approved.

No state built a narrower on-ramp to legal sports betting than Arkansas, which is precisely why event contracts land differently here. Amendment 100 to the Arkansas Constitution, approved by voters in November 2018, authorized casino gaming — including sports wagering — at a fixed set of licensed properties and put the whole operation under the Arkansas Racing Commission, which sits inside the Department of Finance and Administration. You can read the authorizing language in Amendment 100 itself.

Three casinos ended up holding those betting rights: Oaklawn Racing Casino Resort in Hot Springs, Southland Casino Resort in West Memphis and Saracen Casino Resort in Pine Bluff. A fourth license, tied to Pope County, became one of the longest fights in Arkansas gaming. Voters revoked it in November 2024 by passing Issue 2, now Amendment 104, with roughly 56 percent support, and a federal judge upheld that repeal in August 2025 after Cherokee Nation Businesses sued to save its planned casino. The upshot is a hard cap: sports betting in Arkansas flows through the same three houses and no more.

The Racing Commission then made the channel narrower still. When it wrote the rules for mobile wagering, it adopted a revenue provision — finalized by the Arkansas Legislative Council in early 2022 — requiring that at least 51 percent of net sports-betting receipts stay with the in-state casino when a third-party brand runs the app. BetMGM, DraftKings and FanDuel all objected in writing that the split made Arkansas financially unworkable, and for years they simply refused to enter. The market ran instead on casino-branded apps, with Saracen’s BetSaracen taking the largest share.

That wall finally cracked in early 2026, but on the state’s terms. On February 26, 2026, the Racing Commission granted sports-wagering vendor approvals to DraftKings, partnering with Southland, and to FanDuel, partnering with Oaklawn, and both national books went live in Arkansas on March 20, 2026, ahead of the men’s college basketball tournament. Saracen, the market leader, publicly opposed the move over predatory-pricing fears. Even in victory, though, the national brands had to do it the Arkansas way: attach to one of the three casinos and hand the majority of the money to the license holder.

Hold that structure next to a prediction market. Kalshi did not apply to the Racing Commission, did not partner with Oaklawn, Southland or Saracen, and does not surrender 51 percent of anything to a casino. It lists a Razorbacks contract to an Arkansan under a federal registration granted in Washington, and the entire elaborate state gatekeeping apparatus — the three-casino cap, the revenue split, the vendor licensing — never touches it. That is the disruption Arkansas gaming insiders have been warning about, and it is the reason the attorney general was asked to weigh in.

Arkansas produced something most states have not: a written, on-the-record legal conclusion from its attorney general that prediction markets break state law. It began with a legislator. In the summer of 2025, State Senator Bryan King, a persistent gambling-policy hawk, asked Attorney General Tim Griffin for a formal opinion on whether an operator like Kalshi could offer event contracts to Arkansans without a state license. King framed four questions: whether unlicensed platforms violate Arkansas gaming law, whether their sports contracts should face the state’s fantasy-sports tax, whether they would need approval as financial exchanges, and whether Arkansas law would let contracts be written on elections or tragic events without limits.

Griffin answered on October 23, 2025, in Attorney General Opinion No. 2025-073. His core finding was blunt: the activity is gambling. In his words, a participant is risking money on a chance that some future event occurs. He rejected the branding directly, and on that point the opinion could hardly be plainer.

Because Arkansas confines legal sports wagering to Amendment 100 licensees, an unlicensed exchange offering sports contracts is, in the opinion’s reading, conducting illegal gambling in the state. Griffin went further on a point most coverage skips. Arkansas law makes it an offense to receive or transmit information to assist gambling on sporting events, and the opinion reasoned that a platform relaying sports outcomes for the purpose of settling wagers would run afoul of that prohibition too. On the tax question, he concluded that event contracts would not fit under the state’s fantasy-sports tax, since their outcomes are not decided predominantly by the accumulated statistics of individual athletes — so they are not merely a taxable fantasy product, they are unlicensed gambling.

What the opinion is not, however, matters just as much as what it says. An Arkansas attorney general opinion is advisory. It guides state agencies and can shape how a court eventually rules, but it does not by itself outlaw a product, shut down an operator or create a penalty. It is a legal argument with the state’s imprimatur, not a court judgment. Nine months on, as of August 2, 2026, no Arkansas enforcement body has converted Opinion 2025-073 into action against a prediction-market company.

A written declaration that something is illegal and an actual crackdown are different things, and Arkansas so far has only the first. That gap is worth examining, because it is what a resident’s access currently rests on.

Start with the fact that Arkansas has shown it will act against products it dislikes. The state’s Department of Finance and Administration previously sent cease-and-desist orders to daily-fantasy operators Underdog and PrizePicks, treating their pick’em contests as unlicensed sports betting. So the machinery exists and the regulators are not shy. Yet that same machinery has not been aimed at Kalshi, Polymarket or any exchange, even after the attorney general labeled them illegal — a telling restraint that likely reflects how much harder a CFTC-registered defendant is to move than a fantasy-sports startup.

The reason is the federal shield, and the national scoreboard on that shield is genuinely split. On April 6, 2026, the Third Circuit handed the industry its biggest win in KalshiEX LLC v. Flaherty, ruling 2-1 that sports event contracts are swaps and that federal law preempts a state’s gambling laws as applied to them. Judge David Porter wrote for the majority; Judge Jane Roth dissented, arguing the products are virtually indistinguishable from ordinary online sportsbook bets. That decision does not bind Arkansas, but it is exactly the kind of ruling that would make an Arkansas prosecutor think twice before charging an operator the federal courts may treat as a lawful exchange.

Pulling the other way is the Ninth Circuit, which heard consolidated appeals out of Nevada on April 16, 2026 — matters involving Kalshi, Robinhood and Crypto.com’s Nadex — and had not ruled as of August 2, 2026. The panel pressed the platforms hard, with one judge dismissing the line between peer-to-peer trading and bookmaking as sophistry to the nth degree. Should that court side with Nevada, the circuits split and the Supreme Court almost certainly steps in, with reported projections pointing toward a decision by the middle of 2027.

Then there is the company Arkansas keeps. When the fight reached the courts, Griffin joined more than 30 attorneys general in an amicus brief supporting state authority over these contracts — so Arkansas has planted its flag on the anti-preemption side of the argument. But it has done that as a friend of the court in other states’ cases, not by opening its own front. Crucially, Arkansas is outside the nine states the CFTC itself has sued to shield operators; that roster runs Arizona, Connecticut, Illinois, New York, New Mexico, Minnesota, Rhode Island, Wisconsin and Kentucky, and Arkansas appears nowhere on it. The result is a state that has spoken loudly on paper and moved quietly in practice, leaving the apps running while it waits to see which way the national law breaks.

Because these products are built nothing like a casino sportsbook, it helps to see the mechanics before deciding whether they are for you. A traditional Arkansas sportsbook — the kind Oaklawn or Southland runs — sets a price, takes the opposite side of your wager and profits when you lose. An event-contract exchange does neither of those things. It runs an order book and pairs you with another trader who holds the opposite view, collecting a small fee on the match rather than betting against you. The venue is a marketplace, not your opponent, which is the structural fact the platforms lean on to argue they are exchanges rather than bookmakers.

Every contract boils down to a single yes-or-no bet that settles at either one dollar or nothing. A market like “Will the Razorbacks win Saturday?” trades somewhere between one cent and 99 cents, and that price is also the crowd’s implied probability — a contract changing hands at 58 cents means traders collectively see the outcome as roughly 58 percent likely. Buy yes at 58 cents and a win pays a full dollar, a 42-cent profit; a loss costs you the 58 cents. You can also take the no side, or close out before the game ends by selling at the current price, an exit a fixed sportsbook ticket rarely offers cleanly.

Settlement happens automatically, not by negotiation. As soon as the event resolves, the platform resolves each contract against a defined outcome source and credits the winners without a cashier in the loop. For an Arkansan the sign-up is unremarkable: download a CFTC-registered app, verify your identity, link a bank account or card, and fund in dollars. Most platforms set the age floor at 18 — notably lower than the 21 the Racing Commission requires for casino sports betting — and none of them seek anything from an Arkansas regulator, because in their view no Arkansas regulator has a role to play.

The menu stretches far past Razorbacks football, even if sports is what drives most sign-ups. Broadly, an Arkansas trader will encounter five families of markets.

Arkansas imposes no state menu restriction of its own, because the state does not regulate these products at all — the only limits are the ones each operator writes into its rulebook, plus whatever categories the CFTC’s evolving contract-review process eventually narrows at the federal level. Griffin’s opinion did flag election and tragedy contracts as an area of concern, but that concern has produced no Arkansas rule.

The comparison is unusually vivid in Arkansas, because the two products sit on opposite sides of the state’s own gatekeeping. A legal Arkansas sportsbook is a casino sportsbook: it runs on an Amendment 100 license, it must funnel the majority of its revenue to Oaklawn, Southland or Saracen under the 51-percent rule, it sets a 21-and-over age floor, and it comes with the Racing Commission standing behind it as a regulator. An event contract is the mirror image — no casino partner, no revenue split, an 18-or-older cutoff on most platforms, and a federal regulator whose consumer-protection reach is far narrower than the state’s.

There is a mechanical difference underneath the legal one. A casino sportsbook offers fixed odds set by a bookmaker who wins when you lose; an exchange offers odds set by supply and demand rather than a bookmaker and takes a fee either way. One is a bet against the house that Amendment 100 built; the other pits you against fellow traders that Amendment 100 never contemplated. For a stretch, event contracts were the only way to bet on the Razorbacks from a phone using a brand like the ones Arkansans saw advertised nationally — though the March 2026 arrival of licensed FanDuel and DraftKings apps narrowed that gap for sports specifically.

If a state-licensed sportsbook is what you actually want, our page on Arkansas online sportsbooks tracks every operator and rule change, and you can place Arkansas in the national frame through our lists of states with legal online sportsbooks and our main online sportsbooks hub. For the wider view of what a resident can legally do, the Arkansas gambling sites overview pulls it together, our state index lets you compare jurisdictions, and the national online gambling legality guide sets the frame.

Winnings on these platforms are taxable, and the reporting is murkier than most traders assume. Kalshi sends no 1099-B on event contracts, and the IRS has stayed silent on how to categorize the proceeds, so it remains unsettled whether gains belong on a return as gambling income, capital gains or something covered by the Section 1256 futures rules. The federal answer stays open, and because routing a trade through a brokerage distributor such as Robinhood can change how it shows up at tax time versus buying directly on the exchange, keep a personal ledger of gains and losses and ask a tax professional how to file. Griffin’s opinion, worth remembering, held that these contracts do not even fit Arkansas’s fantasy-sports tax category. None of this is tax advice.

The consumer-protection shortfall is the part an Arkansan most needs to weigh. Because these apps answer to the CFTC and not to the Racing Commission, a resident trades outside the safety net a state-licensed casino sportsbook would owe. There is no Arkansas self-exclusion program covering event-contract apps, no state complaint line for them, no state-supervised dispute resolution, and no state advertising rules. The common 18-and-over minimum sits below the 21 Arkansas requires for licensed sports betting. FanDuel Predicts is the one platform that voluntarily supplies deposit limits, self-exclusion and referrals for behavioral-health care; on most others, the guardrails are whatever the operator chose to build. If a future ruling ever forced an operator out of Arkansas, the industry pattern has been to let users settle their open trades and pull their money out — but that is a practice, not an Arkansas guarantee.

Regionally, Arkansas is the tightly controlled middle of a mixed map, which sharpens why event contracts register here. Tennessee to the northeast not only runs a mature online sportsbook market but also produced one of the most platform-friendly prediction-market rulings in the country, when a federal judge there treated sports event contracts as likely CFTC-regulated swaps. Louisiana and Mississippi to the south offer their own forms of legal sports betting. Texas to the southwest bans it outright, making CFTC apps far more consequential for a Texan than for an Arkansan who at least has three casinos. Against that backdrop Arkansas is the small, closed, casino-only market where a federal exchange quietly does an end run around the entire design.

Several developments could move the state off its current standoff, and they are worth watching in order:

• Enforcement that follows the opinion. The sharpest Arkansas-specific risk is that the Department of Finance and Administration or a prosecutor finally acts on Opinion 2025-073 with a cease-and-desist or a suit, the way the state once moved on daily-fantasy operators. Nothing requires it, but the legal predicate is now on the record.
• The Ninth Circuit. A ruling for Nevada would split the circuits, likely push the question to the Supreme Court, and set the federal rule every Arkansas platform operates under.
• The CFTC’s contract-review rule. The agency’s proposed framework would let it approve or bar specific contract categories, quietly reshaping what an Arkansan can trade without any action by Arkansas.
• The legislature. Arkansas lawmakers, including Senator King, have circled online-gambling expansion repeatedly — efforts died in the 2025 session — and any future move to license or tax event contracts, or to ban them outright, would replace the current advisory limbo with actual statute.
• Federal legislation. The bipartisan Prediction Markets Are Gambling Act, if it advanced, would stop CFTC exchanges from listing sports and casino-style markets nationwide and would override the Arkansas debate entirely.

• Arkansas Constitution, Amendment 100, authorizing casino gaming and sports betting at licensed properties under the Arkansas Racing Commission.
• Arkansas Attorney General Opinion No. 2025-073 (October 23, 2025, Tim Griffin), concluding prediction markets are illegal, unlicensed gambling; requested by State Senator Bryan King.
• Arkansas Racing Commission and Department of Finance and Administration rules on mobile sports wagering, including the 51-percent revenue-sharing requirement and the February 26, 2026 DraftKings and FanDuel vendor approvals (launched March 20, 2026).
• Arkansas Issue 2 / Amendment 104 (November 2024) revoking the Pope County casino license, upheld in federal court August 29, 2025 (Cherokee Nation Businesses challenge).
• KalshiEX LLC v. Flaherty, No. 25-1922 (3d Cir., April 6, 2026); consolidated Nevada appeals argued in the Ninth Circuit April 16, 2026 (ruling pending as of August 2, 2026).
• U.S. Commodity Futures Trading Commission (cftc.gov) on event-contract oversight and Designated Contract Market registration.
• Arkansas Business, SBC Americas, CasinoBeats and Arkansas Times reporting on the AG opinion, the casino market and prediction-market disruption; Covers and other Arkansas prediction-market guides.