Delaware DE
Delaware was one of the first states with legal sports betting, launching retail in June 2018. Online betting launched in 2021 through a BetRivers partnership.
States that legally permit only one online sportsbook operator. Florida (Hard Rock Bet), New Hampshire (DraftKings), Oregon (DraftKings), Rhode Island (state lottery), and others form the US monopoly-market category.
Monopoly states present a different bettor calculus: no operator-comparison shopping, single-app workflow, but typically less aggressive promotional cadence and often higher hold percentages because the operator faces no competitive pressure.
Delaware was one of the first states with legal sports betting, launching retail in June 2018. Online betting launched in 2021 through a BetRivers partnership.
Florida has a unique monopoly model. Hard Rock Bet is the only legal sportsbook, operated by the Seminole Tribe under a compact running through 2051.
Montana has a state lottery monopoly. Sports Bet Montana is the only legal operator, and mobile bets can only be placed while on-premise at a licensed retailer.
New Hampshire has a DraftKings monopoly under a deal with the state lottery. Highest tax rate in the country at 51% of revenue.
Oregon has a state lottery monopoly. DraftKings took over the Scoreboard app from the Oregon Lottery in 2022. 51% effective tax rate.
Rhode Island has a Sportsbook Rhode Island monopoly operated by the state lottery in partnership with IGT and William Hill.
6 states currently fall in this category: Delaware, Florida, Montana, New Hampshire, Oregon, Rhode Island. The list updates whenever a state's market structure changes (operator count, tax rate, or legal status).
Monopoly states present a different bettor calculus: no operator-comparison shopping, single-app workflow, but typically less aggressive promotional cadence and often higher hold percentages because the operator faces no competitive pressure.
States are filtered by their operator count or market structure as recorded in our state-data ground truth file, verified monthly.
Each state has a dedicated guide page (/states/[slug]/) with the full operator list, tax history, regulator information, and timeline. For aggregate fiscal data across all 38 legal jurisdictions, see our /research/sports-betting-tax-revenue/ analysis.