Has Delaware sued Polymarket US or ordered it to stop?

Not that we have found. We have no cease-and-desist letter, state lawsuit, court order or settlement in Delaware that names Polymarket US, as of Oct. 21, 2026.

How old do you have to be to use Polymarket US in Delaware?

18. That is Polymarket US's minimum age, and it lists no different rule for Delaware.

Is sports betting legal in Delaware?

Legal online. Online and retail sports betting, run through the Delaware Lottery.

Which court will decide whether Delaware can regulate Polymarket US?

Federal appeals from Delaware go to the Third Circuit, which ruled for the platforms on April 6, 2026. 3 petitions now ask the U.S. Supreme Court to settle the question nationally.

DE · Polymarket US · Checked Oct. 21, 2026

Is Polymarket US legal in Delaware?

No restriction found Delaware: No public action found

The short answer

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

We found no public action by Delaware officials against Polymarket US or any other prediction market.

Federal appeals from Delaware go to the Third Circuit, which ruled for the platforms on April 6, 2026.

Availability: Polymarket App Terms & Conditions (ISV Front End), effective October 22, 2026 (embedded at polymarket.us/tos), checked Oct. 22, 2026. A summary of public actions, not legal advice.

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Cite this page

Bluebook

Is Polymarket US Legal in Delaware?, Prediction Market Laws (last updated Oct. 22, 2026), https://predictionmarketlaws.com/platforms/polymarket/delaware.

APA

Prediction Market Laws. (2026, October 22). Is Polymarket US Legal in Delaware?. https://predictionmarketlaws.com/platforms/polymarket/delaware

What Delaware has done about Polymarket US

No public action by Delaware names Polymarket US. Delaware has taken 2 other actions on prediction markets: see prediction market law in Delaware.

Court cases

We track no case between Polymarket US and Delaware.

The legal backdrop in Delaware

State status: No public action foundWe found no public enforcement, litigation or enacted law. Pending bills may still be listed on the state's page.
Online sports betting: Legal onlineOnline and retail sports betting, run through the Delaware Lottery.
Federal appeals court: Third CircuitRuled for the platforms.
Who regulates: Delaware State Lottery; Delaware Department of Justice
Laws and bills: None specific to prediction markets

Using Polymarket US in Delaware

Minimum age: 18
Identity checks: Polymarket US requires date of birth, a phone number confirmed by text code, legal name, residential address and Social Security number. Most users are verified automatically; others may be asked for a government-issued ID and a selfie check. KYC must be completed before depositing or trading, and the terms require KYC, AML and sanctions screening. Source

Other platforms in Delaware

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 PredictionsOffered
FanDuel PredictsOffered
UnderdogOffered
PrizePicksSports blocked
Fanatics MarketsOffered

Questions people ask

Is Polymarket US legal in Delaware?: Polymarket US does not publish a list of states where it is unavailable, and we found no court order, regulator action or Polymarket US notice that stops it from serving Delaware as of Oct. 22, 2026. We found no public action by Delaware officials against Polymarket US or any other prediction market. This summarises public actions; it is not legal advice.
Has Delaware sued Polymarket US or ordered it to stop?: Not that we have found. We have no cease-and-desist letter, state lawsuit, court order or settlement in Delaware that names Polymarket US, as of Oct. 21, 2026.
How old do you have to be to use Polymarket US in Delaware?: 18. That is Polymarket US's minimum age, and it lists no different rule for Delaware.
Is sports betting legal in Delaware?: Legal online. Online and retail sports betting, run through the Delaware Lottery.
Which court will decide whether Delaware can regulate Polymarket US?: Federal appeals from Delaware go to the Third Circuit, which ruled for the platforms on April 6, 2026. 3 petitions now ask the U.S. Supreme Court to settle the question nationally.