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Side Bet Probabilities
Quick probability guide for common blackjack side bets players ask about: pairs, three of a kind, and the other standard 21+3 outcomes. These are typical 6-deck approximations and can vary with deck count and table rules.
Perfect Pairs Side Bet
| Outcome | Example Cards | Probability | Approx Odds |
|---|---|---|---|
| Perfect Pair | K♠K K♠K | 1.61% | 1 in 62.2 |
| Colored Pair | 9♥9 9♦9 | 1.93% | 1 in 51.8 |
| Mixed Pair | 7♣7 7♥7 | 3.86% | 1 in 25.9 |
| Any Pair | 5♣5 5♦5 | 7.40% | 1 in 13.5 |
21+3 Side Bet
Uses your first two cards plus dealer upcard as a 3-card poker hand.
| Outcome | Example Cards | Probability | Approx Odds |
|---|---|---|---|
| Suited Trips | Q♥Q Q♥Q Q♥Q | 0.02% | 1 in 4,821 |
| Three of a Kind | 8♣8 8♥8 8♠8 | 0.50% | 1 in 198.4 |
| Straight Flush | 4♠4 5♠5 6♠6 | 0.21% | 1 in 483.6 |
| Straight | 9♣9 10♥10 J♠J | 3.10% | 1 in 32.2 |
| Flush | 2♦2 7♦7 K♦K | 5.84% | 1 in 17.1 |
| Any 21+3 hit | A♣A A♠A A♦A | 9.68% | 1 in 10.3 |
Payout tables differ by casino. Probability and payout are not the same thing, so check both before placing side bets.