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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

OutcomeExample CardsProbabilityApprox 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.

OutcomeExample CardsProbabilityApprox 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.