In order to be official, sportsbooks follow specific rules regarding how they accept and grade wagers. These rules are generally designed to protect sportsbooks, their customers, and the integrity of the game itself. They also reflect a number of standard procedures and policies that are designed to keep bettors happy.

Since the Supreme Court’s ruling in Murphy v NCAA, 35 states have made sports betting legal. Each state has its own licensing regimes to ensure fairness and consumer safety. It’s important to know that it is illegal to place a bet at any sportsbook that does not follow those licensing regulations in the state where you are located.

The NFL announced its first-ever sportsbook partnerships today as DraftKings and Caesars signed multi-year deals to become the League’s Official Sports Betting Partners. The partnership will give both brands exclusive access to NFL IP and marks for their sportsbooks and daily fantasy sports apps while leveraging the NFL brand to create unique experiences for fans at retail and online.

Number of land-based sportsbooks: Five (maximum), located at professional sports stadiums such as Capital One Arena, home to the NBA’s Washington Wizards and NHL’s Washington Capitals, and Nationals Park, home to MLB’s Washington Nationals. BetMGM opened a sportsbook at Nationals Park in June 2021.

Iowa bettors can make a variety of different types of wagers including money lines, point spreads, and totals. However, they are not allowed to bet on correlated plays where the outcome of one bet contributes to the outcome of another. This is because the risk and reward of such bets is greater than that of standard single-event wagers.