We recommend considering your favorite sports to wager in before selecting the sports betting site you’ll use. Some websites offer better nfl game odds promotions and competitive odds for certain sports over others, so be sure to select a website that favors your preferred sports. You may choose a website with an excellent variety or one that specializes in your favorite game. For investors looking for broad exposure to the sports betting and online gaming industry without picking individual stocks, the Roundhill Sports Betting & iGaming ETF (BETZ 5.15%) invests across a portfolio of stocks in the industry. The fund currently holds more than 40 different positions, including several of the names mentioned above. Its expense ratio of 0.75% isn't too high for a specialized index fund.