Official betting is the type of wager that is accepted by a state’s sportsbooks. It is available across a wide range of events, from league Most Valuable Player awards to championship outcomes and more. These bets can be placed all season long and the odds will change as the season progresses.

Indiana was among the first states to launch a legal sports betting model after the Supreme Court ruling, with sportsbooks opening in October 2019 and accepting wagers just three months later. Its speedy rollout has made it a top-five handle state, and more than $10 billion in wagers have been placed in the state.

Delaware launched a month after the Supreme Court decision and currently offers both in-person and online sports wagering. Its online platform features a number of major brands, including FanDuel and DraftKings, although bets on in-state collegiate teams are prohibited.

Nevada is the gambling capital of the United States and has been offering sports wagering for decades, although it requires players to register at a casino in order to place bets. The Silver State now has more than 170 retail sportsbook locations and 14 online platforms, making it one of the most popular sports betting markets.

California’s sports betting situation is complex, with two competing referendums on the ballot this fall. One is backed by major operators like FanDuel and DraftKings, while the other is endorsed by California tribes. Both broke spending records and had robust ad campaigns, but were heavily defeated by California voters.