| Alabama | Available | No legal sportsbooks at all; platforms generally operate. No specific action noted. |
| Alaska | Available | Almost no legal gambling; platforms generally operate. No specific action noted. |
| Arizona | Contested | Criminal charges filed, then paused by a federal court; CFTC suing the state. |
| Arkansas | Available | Casino-tied legal online betting; no specific action against event contracts noted. |
| California | Available | No legal sportsbooks; platforms generally operate. No specific state action noted. |
| Colorado | Available | Mature legal sports betting; no specific action against event contracts noted. |
| Connecticut | Contested | State cease-and-desist to major platforms; CFTC has sued the state. |
| Delaware | Available | Lottery-run betting (first post-PASPA bet); no specific action noted. |
| Florida | Available | Sports betting via Seminole compact; event contracts sit outside it. |
| Georgia | Available | No legal sportsbooks; platforms generally operate. No specific action noted. |
| Hawaii | Available | Bans virtually all gambling; verify platform eligibility carefully before funding. |
| Idaho | Available | No legal sportsbooks; platforms generally operate. No specific action noted. |
| Illinois | Contested | Cease-and-desist to 12+ operators; CFTC has sued the state. |
| Indiana | Available | Established legal sports betting; no specific action against event contracts noted. |
| Iowa | Contested | Kalshi pre-emptively sued the state regulator to preserve access. |
| Kansas | Available | Competitive legal online betting; no specific action against event contracts noted. |
| Kentucky | Contested | State sued the platforms; CFTC sued the state (its ninth such suit). |
| Louisiana | Available | Parish-based legal sports betting; no specific action against event contracts noted. |
| Maine | Available | Tribal-exclusive online betting model; no specific action noted. |
| Maryland | Restricted | Sports event contracts enjoined; other markets may remain on some platforms. |
| Massachusetts | Contested | Court ordered Kalshi to block users over sports, then paused the order. |
| Michigan | Restricted | Court order pauses Kalshi sports betting over a defined 2026 window. |
| Minnesota | Contested | State law would make running a prediction market a felony; CFTC has sued. |
| Mississippi | Available | Legal betting is in-person only at casinos; exchanges fill the online gap. |
| Missouri | Available | Sports betting approved in 2024 and launching; no specific action noted. |
| Montana | Restricted | Among the states restricting access; situation less documented. |
| Nebraska | Available | Retail-only betting at racetrack casinos; no specific action noted. |
| Nevada | Restricted | Kalshi ordered to geo-block; Polymarket suspended contracts. Ninth Circuit pending. |
| New Hampshire | Available | Single lottery-partnered online operator; no specific action noted. |
| New Jersey | Contested | Third Circuit let Kalshi keep operating pending appeal — the biggest platform win. |
| New Mexico | Contested | One of nine states the CFTC has sued to block enforcement. |
| New York | Contested | CFTC has sued the state; a private class action is also pending. |
| North Carolina | Available | Sports betting launched 2024; no specific action against event contracts noted. |
| North Dakota | Available | No commercial betting (tribal in-person only); no specific action noted. |
| Ohio | Restricted | Court denied Kalshi's injunction; state seeking a ~$5M fine. |
| Oklahoma | Available | Sports betting stalled in tribal-compact disputes; exchanges operate around it. |
| Oregon | Available | Lottery-run single-app betting; no specific action against event contracts noted. |
| Pennsylvania | Available | Large legal betting market; no specific action against event contracts noted. |
| Rhode Island | Contested | One of nine states the CFTC has sued to block enforcement. |
| South Carolina | Available | Bans nearly all gambling; legalisation bills pending. No specific action noted. |
| South Dakota | Available | Betting limited to in-person Deadwood casinos; no specific action noted. |
| Tennessee | Available | Unique online-only sportsbook market; no specific action noted. |
| Texas | Available | No legal sportsbooks; platforms generally operate. No specific action noted. |
| Utah | Restricted | Bans nearly all gambling; enforced against platforms; Kalshi suing the state. |
| Vermont | Available | Newest betting state (online since Jan 2024); no specific action noted. |
| Virginia | Available | Established legal sports betting; no specific action against event contracts noted. |
| Washington | Available | Strict gambling laws; in-person tribal betting only. Check eligibility carefully. |
| West Virginia | Available | Online betting + full iGaming legal; no specific action noted. |
| Wisconsin | Contested | State sued the platforms; CFTC sued the state in response. |
| Wyoming | Available | Legal online betting + crypto-friendly laws; no specific action noted. |