Insurance in poker is an agreement between players to reduce the variance of a hand by placing a side bet or sharing pot equity. When two players are all-in, they might agree that insurance is acceptable. The trailing player might buy insurance from the leading player, meaning the trailing player pays a small amount to reduce their loss if they lose the hand. Alternatively, players might agree to chop (divide the remaining pot equity equally), effectively insuring each other against the risk of losing.
Insurance exists because poker is subject to variance. A player who is favored to win a hand is not guaranteed to win. By using insurance, players can reduce the extreme outcomes and reach more predictable results. A player who is 80 percent to win a hand can sell insurance to their opponent, guaranteeing themselves slightly less than their expected value in exchange for removing the risk of the 20 percent downside.
Insurance is common in all-in situations in tournament play and cash games. When large amounts of money or tournament life are at stake, players sometimes use insurance to reduce the emotional and financial impact of bad luck. Insurance can also be used as a negotiation tool; a player might offer favorable insurance terms to secure agreement from an opponent to split a pot.
How Does Insurance Work?
Insurance typically involves calculating the equity of each player’s hand based on the remaining community cards. If one player has a 75 percent chance to win and the other has a 25 percent chance, the pot might be divided accordingly. The trailing player might pay the leading player 25 percent of the remaining pot equity to guarantee a split. This transfer of funds reduces variance for both players.
Insurance can be structured in different ways. Pure insurance might involve the trailing player paying the leading player an amount equal to their equity loss. Chops involve equal division of remaining pot equity. Insurance might also involve betting on specific outcomes; for example, the trailing player might pay to win if a specific card comes on the next street.
Insurance agreements are made verbally and must be documented by observers or noted by casino staff. In online poker, insurance is typically handled through the poker site if the feature is available. Some sites automatically calculate insurance payouts; others leave it to players to arrange.
The decision to buy or sell insurance depends on risk tolerance and expected value. A player who is risk-averse might buy insurance even if the terms are slightly unfavorable because the peace of mind is worth the cost. A player who is risk-tolerant might reject insurance and play out all-in situations, accepting the full variance.
Key Takeaway
Insurance is an agreement to divide pot equity and reduce variance by paying a premium to the more likely winner. It is a legitimate tool for managing risk in poker.