A casino jackpot is a prize pool that can be won in a variety of casino games. These are typically found in slot machines and video slots but can also be offered as a feature of some roulette and baccarat games. They can range in size from a few hundred dollars to millions of dollars. Some jackpots are fixed while others are progressive, meaning that the prize grows each time a player makes a wager on the game.

When a player wins a casino jackpot, the machine will light up and make a loud noise. This draws attention to the machine and alerts casino staff to the win. Depending on the system in use, the winning machine may also display a message or other notification. The casino’s staff will then verify the winnings and provide the player with a payout.

In addition to a jackpot, a slot machine can also offer other prizes such as free spins, additional reels, or bonus rounds. Some casinos also have table games with a jackpot that can be awarded to the first player to reach a specific goal such as 21 in blackjack or the best poker hand.

The IRS requires that players report all gambling winnings, including jackpots, on their tax return. However, it is important to note that gambling can lead to addiction and a lifetime of problems. It is recommended that you never gamble with more money than you can afford to lose, and if you feel you are losing control, it is crucial to speak with someone as soon as possible.