A–Z index
Gambling terms beginning with O
26 terms under O, each with a one-line summary. Follow a term for the full explanation.
- Odds Odds & probability
- Odds compare the chance of something happening to the chance of it not happening, written as a ratio rather than a fraction of the whole.
- Odds of quads in poker Odds & probability
- The odds of quads (four of a kind) in poker are the probability of making a hand with four cards of the same rank, most commonly expressed as odds …
- Odds payout chart Odds & probability
- An odds payout chart is a table that shows how much a bet pays out for a given set of odds or wager amount, used across sports betting, casino game…
- Odds to percentage chart Odds & probability
- An odds to percentage chart is a conversion table that shows the implied probability of an event as a percentage, given a set of odds.
- Odds vs likelihood Odds & probability
- Odds express the ratio of an event's probability to its complement, while likelihood describes how well a statistical model fits observed data.
- Odds vs odds ratio Odds & probability
- Odds are the ratio of the probability of an event to the probability of it not happening.
- Odds vs probability Odds & probability
- Odds compare the chance of an event happening to the chance of it not happening, while probability measures the likelihood of an event as a proport…
- Odds vs probability formula Odds & probability
- The odds vs probability formula converts a probability p into odds using odds = p/(1-p), and odds back into probability using p = odds/(odds+1).
- Odds vs probability in statistics Odds & probability
- Probability measures the chance an event occurs out of all possible outcomes;
- Off tilt meaning Poker
- In poker, off tilt means a player is not emotionally frustrated or mentally confused, so they are playing their normal, optimal game.
- Official euchre rules Card games
- Official euchre rules refer to the standard rules for the card game Euchre, covering dealing, trump selection, trick-taking, and scoring for the fo…
- Omaha hi-lo hand rankings Poker
- The low-hand rankings used in Omaha high-low games, where a qualifying low must have five unpaired cards ranked 8 or lower, with aces low and strai…
- Omaha hi-lo rules Poker
- Omaha hi-lo rules govern a split-pot variant of Omaha in which each player uses exactly two hole cards and three board cards to make a high hand an…
- Omaha poker Poker
- Omaha poker is a community-card game where each player receives four private cards and must combine exactly two of them with three of the shared bo…
- Omaha poker hand rankings Poker
- In Omaha, the hand rankings are the same five-card hierarchy used in standard poker, but each player's hand must be formed from exactly two of thei…
- Omaha poker hands Poker
- In Omaha, a player makes a hand by selecting exactly two of their four private cards and exactly three of the five community cards to form the best…
- Omaha poker high low Poker
- Omaha poker high low is a split-pot variant of Omaha in which the pot is divided between the best high hand and the best qualifying low hand.
- Omaha poker rules hi-lo Poker
- A split-pot poker game where each player uses four private cards and five community cards to build both a high hand and a low hand that meets the e…
- Omaha starting hands chart Poker
- A chart that groups Omaha hole-card combinations by their preflop strength, helping players decide which hands to play and how to play them.
- Out of position poker Poker
- A poker player is out of position when they must act before at least one opponent in a betting round, putting them at an informational disadvantage.
- Over under betting Sports betting
- Over under betting is a wager on whether a sportsbook-set number in an event will end up above or below that figure.
- Overhand shuffle Card games
- The overhand shuffle is a card-shuffling method where the deck is held in one hand and small packets of cards are repeatedly slid off the top and d…
- Overhand shuffle control Card games
- A sleight-of-hand technique where the overhand shuffle is performed in a way that keeps part of the deck in a known sequence rather than mixing it …
- Overround horse racing Racing
- Overround in horse racing is the bookmaker's built-in margin, calculated as the sum of implied probabilities for all runners exceeding 100%.
- Overround meaning Sports betting
- Overround is the extra percentage a bookmaker builds into the odds so the implied probabilities of all possible outcomes add up to more than 100%.
- Overround percentage Sports betting
- The overround percentage is the built-in profit margin a bookmaker adds to a betting market, measured as how far the total implied probability of a…