- House edge
- The average share of each bet the casino keeps over the long run.
- RTP
- Return to player, the flip side of the edge. 95% RTP means a 5% edge.
- Variance
- How far short-term results swing around the average.
- Push
- A tie. Your bet is returned, nothing won or lost.
- Natural
- A winning total on the first two cards: 21 in blackjack, 8 or 9 in baccarat.
- Soft hand
- A blackjack hand with an ace counted as 11, so it can't bust on the next card.
- Point
- In craps, the number (4, 5, 6, 8, 9 or 10) the shooter must repeat before a 7.
- True odds
- The payout that would make a bet perfectly fair. Casino payouts are set below it.
- Vig / juice
- The sportsbook's built-in margin, e.g. risking $110 to win $100.
- Implied probability
- The win chance a price assumes. −110 implies 52.38%.
- Outs
- In poker, the unseen cards that would improve your hand to a likely winner.
- Rake
- The fee a poker room takes from each pot.