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MS · Polymarket US · Checked Oct. 21, 2026

Is Polymarket US legal in Mississippi?

No restriction found Mississippi: 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 Mississippi as of Oct. 22, 2026.

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

Federal appeals from Mississippi go to the Fifth Circuit, which has not yet been asked to decide the question.

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 Mississippi?, Prediction Market Laws (last updated Oct. 22, 2026), https://predictionmarketlaws.com/platforms/polymarket/mississippi.

APA

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

What Mississippi has done about Polymarket US

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

Court cases

We track no case between Polymarket US and Mississippi.

The legal backdrop in Mississippi

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
Retail onlySports betting at licensed casinos; mobile apps work only on casino premises.
Federal appeals court
Fifth CircuitNo appeal yet.
Who regulates
Mississippi Gaming Commission; Mississippi Attorney General
Laws and bills
None specific to prediction markets

Using Polymarket US in Mississippi

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 Mississippi

Questions people ask

Is Polymarket US legal in Mississippi?
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 Mississippi as of Oct. 22, 2026. We found no public action by Mississippi officials against Polymarket US or any other prediction market. This summarises public actions; it is not legal advice.
Has Mississippi 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 Mississippi that names Polymarket US, as of Oct. 21, 2026.
How old do you have to be to use Polymarket US in Mississippi?
18. That is Polymarket US's minimum age, and it lists no different rule for Mississippi.
Is sports betting legal in Mississippi?
Retail only. Sports betting at licensed casinos; mobile apps work only on casino premises.
Which court will decide whether Mississippi can regulate Polymarket US?
Federal appeals from Mississippi go to the Fifth Circuit, which has not yet been asked to decide the question. 3 petitions now ask the U.S. Supreme Court to settle the question nationally.

Sources

  1. Polymarket App Terms & Conditions (ISV Front End), effective October 22, 2026 (embedded at polymarket.us/tos)
  2. Mississippi sports betting status

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