Redshirt
Legality

Prediction market legality by state

Where Kalshi, Polymarket, ProphetX and Novig are available to US traders, state by state. Kalshi and Polymarket are federally regulated by the CFTC and broadly available; ProphetX, a sports exchange, operates in a subset of states; Novig, a player-to-player exchange, is available in 36 states plus DC. This is informational only, not legal advice.

Key takeaways
  • Kalshi is a CFTC-regulated US exchange and is broadly available nationwide.
  • Polymarket operates as a CFTC-regulated market (QCEX designation) and relaunched to US users in December 2025.
  • ProphetX is a sports prediction exchange available in a subset of states.
  • Novig is a player-to-player exchange available in 36 states plus DC, for users 21+.
  • A few states have contested federally-regulated sports event contracts; those are marked limited.
AvailableLimited / contestedNot available
StatePolymarketKalshiProphetXNovig
AlabamaView →
AlaskaView →
ArizonaView →
ArkansasView →
CaliforniaView →
ColoradoView →
ConnecticutView →
DelawareView →
District of ColumbiaView →
FloridaView →
GeorgiaView →
HawaiiView →
IdahoView →
IllinoisView →
IndianaView →
IowaView →
KansasView →
KentuckyView →
LouisianaView →
MaineView →
MarylandView →
MassachusettsView →
MichiganView →
MinnesotaView →
MississippiView →
MissouriView →
MontanaView →
NebraskaView →
NevadaView →
New HampshireView →
New JerseyView →
New MexicoView →
New YorkView →
North CarolinaView →
North DakotaView →
OhioView →
OklahomaView →
OregonView →
PennsylvaniaView →
Rhode IslandView →
South CarolinaView →
South DakotaView →
TennesseeView →
TexasView →
UtahView →
VermontView →
VirginiaView →
WashingtonView →
West VirginiaView →
WisconsinView →
WyomingView →

Redshirt Analytics is not a law firm. Availability and legal status change; confirm with each platform for your location before trading.