Has Maryland sued Kalshi or ordered it to stop?

Yes. Aug. 1, 2025: Judge Adam B. Abelson of the District of Maryland denied Kalshi's request for a preliminary injunction against state enforcement; Kalshi appealed to the Fourth Circuit. April 7, 2025: Maryland regulators sent Kalshi a cease-and-desist letter over its sports event contracts.

How old do you have to be to use Kalshi in Maryland?

18. That is Kalshi's minimum age, and it lists no different rule for Maryland.

Is sports betting legal in Maryland?

Legal online. Retail and mobile sports betting; mobile launched Nov. 23, 2022.

Which court will decide whether Maryland can regulate Kalshi?

Federal appeals from Maryland go to the Fourth Circuit, which heard argument on May 7, 2026 and has not yet ruled. 3 petitions now ask the U.S. Supreme Court to settle the question nationally.

MD · Kalshi · Checked Oct. 21, 2026

Is Kalshi legal in Maryland?

No restriction found Maryland: In litigation

The short answer

Kalshi does not publish a list of states where it is unavailable, and we found no court order, regulator action or Kalshi notice that stops it from serving Maryland as of Oct. 22, 2026.

Maryland has 7 public actions on record that name Kalshi. The latest (Oct. 14, 2026): Maryland filed a supplemental-authority letter in the Fourth Circuit pointing to the Sixth Circuit's Sept. 25, 2026 Schuler decision.

Federal appeals from Maryland go to the Fourth Circuit, which heard argument on May 7, 2026 and has not yet ruled.

Availability: Kalshi Help Center: Signing Up as an Individual (updated March 10, 2026), checked Oct. 22, 2026. A summary of public actions, not legal advice.

Follow Maryland

Cite this page

Bluebook

Is Kalshi Legal in Maryland?, Prediction Market Laws (last updated Oct. 22, 2026), https://predictionmarketlaws.com/platforms/kalshi/maryland.

APA

Prediction Market Laws. (2026, October 22). Is Kalshi Legal in Maryland?. https://predictionmarketlaws.com/platforms/kalshi/maryland

What Maryland has done about Kalshi

Oct. 14, 2026
Other development
Maryland filed a supplemental-authority letter in the Fourth Circuit pointing to the Sixth Circuit's Sept. 25, 2026 Schuler decision.
Source: DeFi Rate prediction market lawsuit tracker
Oct. 7, 2026
Other development
Maryland's attorney general signed an Ohio-led amicus brief, joined by 38 other states and DC, asking the U.S. Supreme Court to grant New Jersey's petition in Flaherty v. KalshiEX (No. 26-299).
Source: Ohio et al. amicus brief, U.S. Supreme Court No. 26-299
Aug. 13, 2026
Other development
Baltimore City (a municipality, not the state) sued in the Circuit Court for Baltimore City under its consumer-protection ordinance, alleging unlicensed sports betting; Kalshi removed the case on Aug. 14, 2026.
Source: Baltimore City press release
May 7, 2026
Other development
The Fourth Circuit heard oral argument in KalshiEX v. Martin (No. 25-1892); no decision had issued as of Oct. 20, 2026.
Source: DeFi Rate prediction market lawsuit tracker
Aug. 12, 2025
Other development
Maryland agreed in writing not to enforce its gambling laws against Kalshi while the appeal is pending.
Source: CoinStats Kalshi legal tracker (Maryland)
Aug. 1, 2025
Court order
Judge Adam B. Abelson of the District of Maryland denied Kalshi's request for a preliminary injunction against state enforcement; Kalshi appealed to the Fourth Circuit.
Source: CoinStats Kalshi legal tracker (Maryland)
April 7, 2025
Cease-and-desist
Maryland regulators sent Kalshi a cease-and-desist letter over its sports event contracts.
Source: Prediction Market Litigation Tracker (mickbransfield.com)

All 8 actions in Maryland

Open questions

Federal appeals, 4th Cir.Open

Will the Fourth Circuit reverse the ruling against Kalshi in Maryland?

No decision date set168 days since argument

Argued May 7Pending

Resolves Yes if the court reverses or vacates the denial of Kalshi's preliminary injunction in KalshiEX v. Martin, No if it affirms.

Fourth Circuit No. 25-1892. Source: Court docket

Court cases

KalshiEX LLC v. MartinU.S. Court of Appeals for the Fourth Circuit, 25-1892Pending
KalshiEX LLC v. MartinU.S. District Court for the District of Maryland, 1:25-cv-01283Injunction denied

The legal backdrop in Maryland

State status: In litigationThe state and a prediction market operator are actively in court, and no order blocking the operator is in force.
Online sports betting: Legal onlineRetail and mobile sports betting; mobile launched Nov. 23, 2022.
Federal appeals court: Fourth CircuitArgued, awaiting decision.
Who regulates: Maryland Lottery and Gaming Control Agency; Maryland Attorney General
Laws and bills: None specific to prediction markets

Using Kalshi in Maryland

Minimum age: 18
Identity checks: Kalshi requires legal name, date of birth and a residential address (no commercial addresses or PO boxes) that match a government ID. It asks for a live in-app photo of a driver's license or passport. It may also ask for proof of address, employment information or source of funds. It may request a Social Security number at any point after signup, which it uses for identity verification and tax reporting; an SSN is not required to deposit. (Help articles updated June 30 and August 25, 2026.) Source
Tax forms: Kalshi says users who meet IRS reporting thresholds get Form 1099-INT (interest), 1099-MISC (credits and rewards), 1099-B (proceeds from crypto transfers) and 1099-DA (digital asset reporting from ZeroHash). The forms appear under Tax Info in the Account tab, and some are emailed through Zenwork. Kalshi gives no dollar thresholds or issue dates. Trading profit-and-loss statements are in the documents tab (help article updated June 22, 2026). SourceWhat the platform says it reports; not tax advice.

Other platforms in Maryland

KalshiNo restriction found
Polymarket USNo restriction found
Gemini PredictionsNo restriction found
RobinhoodNo restriction found
Crypto.comNo restriction found
CoinbaseNo restriction found
WebullNo restriction found
DraftKings PredictionsSports blocked
FanDuel PredictsSports blocked
UnderdogOffered
PrizePicksSports blocked
Fanatics MarketsNot offered

Questions people ask

Is Kalshi legal in Maryland?: Kalshi does not publish a list of states where it is unavailable, and we found no court order, regulator action or Kalshi notice that stops it from serving Maryland as of Oct. 22, 2026. Maryland has 7 public actions on record that name Kalshi. The latest (Oct. 14, 2026): Maryland filed a supplemental-authority letter in the Fourth Circuit pointing to the Sixth Circuit's Sept. 25, 2026 Schuler decision. This summarises public actions; it is not legal advice.
Has Maryland sued Kalshi or ordered it to stop?: Yes. Aug. 1, 2025: Judge Adam B. Abelson of the District of Maryland denied Kalshi's request for a preliminary injunction against state enforcement; Kalshi appealed to the Fourth Circuit. April 7, 2025: Maryland regulators sent Kalshi a cease-and-desist letter over its sports event contracts.
How old do you have to be to use Kalshi in Maryland?: 18. That is Kalshi's minimum age, and it lists no different rule for Maryland.
Is sports betting legal in Maryland?: Legal online. Retail and mobile sports betting; mobile launched Nov. 23, 2022.
Which court will decide whether Maryland can regulate Kalshi?: Federal appeals from Maryland go to the Fourth Circuit, which heard argument on May 7, 2026 and has not yet ruled. 3 petitions now ask the U.S. Supreme Court to settle the question nationally.