Any game of chance consists of risks, and despite the fact that these are betting on sports games or betting in a casino. What can be lost there or there.
Not just any, all games and gambling games consist risks, even a sports betting or a bet in a casino. But betting in a casino is more risky than betting on a sports game, analysis and experience can help you win your bet, in casino bets, there may be some games that requires skill, but mostly it requires luck.