Is Kalshi legal in Idaho?

What Idaho has done about Kalshi

1. June 12, 2026

   Other development

   The Idaho attorney general joined a 37-state amicus brief in the Sixth Circuit (KalshiEX LLC v. Schuler) supporting Ohio's authority to apply its gaming laws to Kalshi.

   Source: California Attorney General (coalition press release)

All 2 actions in Idaho

Court cases

We track no case between Kalshi and Idaho.

The legal backdrop in Idaho

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

Not legalNo legal sports betting; LSR lists Idaho among states without it.

Federal appeals court

Ninth CircuitRuled for the states.

Who regulates

Idaho Office of the Attorney General

Laws and bills

None specific to prediction markets

Using Kalshi in Idaho

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 Idaho

• 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
• PrizePicksOffered
• Fanatics MarketsOffered

Questions people ask

Is Kalshi legal in Idaho?

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 Idaho as of Oct. 22, 2026. Idaho has one public action on record that names Kalshi. The latest (June 12, 2026): The Idaho attorney general joined a 37-state amicus brief in the Sixth Circuit (KalshiEX LLC v. Schuler) supporting Ohio's authority to apply its gaming laws to Kalshi. This summarises public actions; it is not legal advice.

Has Idaho sued Kalshi or ordered it to stop?

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

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

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

Is sports betting legal in Idaho?

Not legal. No legal sports betting; LSR lists Idaho among states without it.

Which court will decide whether Idaho can regulate Kalshi?

Federal appeals from Idaho go to the Ninth Circuit, which ruled for the states on Aug. 28, 2026. 3 petitions now ask the U.S. Supreme Court to settle the question nationally.

Sources

1. Kalshi Help Center: Signing Up as an Individual (updated March 10, 2026)
2. California Attorney General (coalition press release)
3. Idaho sports betting status