Side bet house edges vary by deck count and specific paytable. All figures are representative ranges from multi-deck games. Sources: Wizard of Odds, Dotesports, LeoVegas, PokerNews.
I once sat next to a guy who placed a Perfect Pairs side bet on every single hand for an entire session — maybe 300 hands over three hours. He was excited every deal. He whooped when he got a mixed pair. He punched the air twice for colored pairs. He was absolutely certain he was going to hit that perfect pair payout.
He left down $340. His main game was actually roughly even. All the losses came from the side bets. When I mentioned the house edge, he said he "just liked the extra action." That's a valid reason to play a side bet. But he deserved to know what that action was actually costing him. That's what this guide is for.
Blackjack side bets are optional wagers placed alongside your main bet, based on specific card outcomes. They offer the possibility of payouts that standard blackjack never provides — 100:1, 200:1, even 1,000:1 in rare cases. The tradeoff is a dramatically higher house edge than the main game: anywhere from 3% to 25% depending on the specific bet.
This guide covers every major side bet honestly. You'll know the exact edge, the max payout, the probability of hitting it, and — critically — which bets card counters can actually exploit. No fluff, no padding. Just the numbers you need to make an informed decision.
What Are Side Bets in Blackjack?
Side bets are optional wagers that run independently from your main hand. You place them in a separate marked area on the table before the deal. If your side bet condition is met — your cards form a pair, your three-card poker hand is a flush, the dealer shows a matching card — you win according to that bet's payout table. If it isn't met, you simply lose the side bet amount and continue playing your main hand normally.
Side bets were introduced by casinos in the 1980s and 90s primarily for two reasons: they increase revenue per table (since players are wagering more per hand), and they add entertainment value for casual players who find pure basic strategy play too mechanical. They're not designed to benefit the player — they're designed to extend session excitement while generating additional house margin.
Standard blackjack has a low house edge partly because the player has control over their hand through hitting, standing, doubling, and splitting. Side bets are typically resolved on the initial two-card deal before any player decisions — they're pure probability bets with no skill component. Without the player skill element that drives blackjack's low edge, casinos set side bet odds to generate substantially more revenue per hand. The entertainment premium you pay for the higher payouts is real and measurable.
Master Comparison Table: All 8 Side Bets
This is the table most "side bets" articles try to create but bury in affiliate links. Here it is cleanly, ranked by house edge from lowest to highest:
| Side Bet | House Edge | Edge Bar | Max Payout | Based On | Countable? | Verdict |
|---|---|---|---|---|---|---|
| 21+3 | 2.74–6.29% | 100:1 | 3-card poker hand | Yes (sometimes) | Best option | |
| Perfect Pairs | 2.2–11% | 30:1 | Player's 2 cards | Marginally | OK with good paytable | |
| Royal Match | 3.7–6.7% | 25:1 | Player's 2 cards | No | Midrange option | |
| Hot 3 | 2.5–6.4% | 100:1 | 3-card total (like 21+3) | No | Comparable to 21+3 | |
| Bust It | 6.4–8.2% | 250:1 | Dealer bust card count | No | Fun but expensive | |
| Insurance | 7.4% (multi-deck) | 2:1 | Dealer ace + 10-value | Yes (TC +3) | Avoid (unless counting) | |
| Super Sevens | ~11–13% | 5,000:1 | Sequential 7s | No | Jackpot entertainment only | |
| Lucky Ladies | 17–25% | 1,000:1 | Player 2-card total of 20 | Yes (very high TC) | Avoid (unless expert counter) |
The main game with basic strategy: approximately 0.35% house edge. The "best" side bet: approximately 2.74% with optimal conditions. You're paying at minimum 8�— more per dollar to play a side bet than to play the main game — and that's the best case.
Each Side Bet Explained in Detail
Combines your first two cards with the dealer's upcard to form a 3-card poker hand. You win if those three cards create a qualifying hand — works the same as 3-Card Poker except you can't fold or raise.
- Flush (same suit): 5:1
- Straight (consecutive ranks): 10:1
- Three of a kind (same rank): 30:1
- Straight flush: 40:1
- Suited three of a kind: 100:1
Pays if your first two cards form a pair. Three tiers based on how well the pair matches — the more identical, the more it pays. One of the most common side bets worldwide. Full guide: Perfect Pairs explained.
- Mixed pair (same rank, different color/suit): 5:1
- Colored pair (same rank and color): 10–12:1
- Perfect pair (same rank and suit): 25–30:1
Pays if your first two cards are suited (same suit). The premium payout is for a "Royal Match" — King and Queen of the same suit. A relatively frequent win at ~24% (any suited pair), but the top payout is modest at 25:1.
- Any suited pair (non-royal): 2.5–3:1
- Royal Match (K + Q same suit): 25:1
Uses your first two cards plus the dealer's upcard — similar mechanics to 21+3 but based on the total rather than poker hand type. Pays for totals of 19, 20, or 21, with premium payouts for suited combinations and the jackpot for triple 7s.
- Any 19: 1:1
- Any 20: 2:1
- Any 21: 4:1
- Suited 21: 20:1
- Suited 7-7-7: 100:1
Pays if the dealer busts. Payouts scale with the number of cards the dealer uses to bust — more cards before busting means bigger payout. Some versions offer a progressive jackpot for dealer busting on 8+ cards while you hold a blackjack.
- Dealer busts on 3 cards: 1:1
- Dealer busts on 4 cards: 2:1
- Dealer busts on 5 cards: 9:1
- Dealer busts on 6 cards: 50:1
- Dealer busts on 7+ cards: 100–250:1
Offered when dealer shows an Ace. Pay half your main bet; it wins 2:1 if dealer has a 10-value hole card (natural blackjack). A profitable 2:1 insurance bet would require the dealer to hold blackjack at least 33.3% of the time — with a fresh 6-deck shoe, that probability is approximately 30.8%. See our full insurance explained guide for the EV calculation.
- Dealer has 10-value hole card (BJ): Win 2:1
- Dealer does not have BJ: Lose insurance bet
- "Even money" offer: accepting insurance when you have BJ
Pays based on how many 7s appear in your first one, two, or three cards sequentially. Starts paying on a single 7 as first card (3:1). The jackpot of 5,000:1 requires three consecutive 7s of the same suit — a genuinely rare event. Its high house edge reflects this jackpot loading.
- Single 7 (first card): 3:1
- Two 7s (unsuited): 50:1
- Two 7s (suited): 100:1
- Three 7s (unsuited): 500:1
- Three suited 7s: 5,000:1
Pays when your first two cards total exactly 20, with escalating payouts based on how those 20-point hands are composed. The jackpot of 1,000:1 requires two Queens of Hearts while the dealer has a natural blackjack — a combination so rare it's effectively a lottery ticket.
- Any 20 (unsuited): 4:1
- Suited 20: 9–10:1
- Matched (same rank): 19–25:1
- Two Queens of Hearts: 200:1
- Two QQ♥ + dealer BJ: 1,000:1
Are Side Bets Worth It? The Honest Answer
Nobody wants to tell recreational players "no, this thing that makes the game more exciting is a bad idea mathematically." But the math is unambiguous and you deserve it straight. Side bets are priced to entertain you at a significant cost premium over the main game. That's fine if you understand what you're buying — you're buying variance and excitement, not value. The moment you confuse "this pays 100:1" with "this is a good bet," you're in trouble.
Here's the clearest way to think about it: the main blackjack game with basic strategy costs you approximately 35 cents per $100 wagered. The best side bet (21+3 with favorable paytable) costs you approximately $2.74 per $100 wagered — nearly 8 times more. Lucky Ladies at its worst costs you $25 per $100 wagered — more than 70 times the cost of the main game.
Side bets are not "additional ways to win." They are additional ways to lose money faster, dressed up in exciting payouts that rarely materialize. The correct framing is:
- Entertainment budget: If a $1 side bet per hand makes the session more enjoyable and you've budgeted for it as pure entertainment cost — fine, go ahead.
- Primary strategy: Never treat side bets as a strategy. Every dollar shifted from main bet to side bet increases your expected loss rate dramatically.
- Session impact: A $5 Perfect Pairs side bet every hand over 100 hands at a 5% edge costs you an expected $25 in side bet losses alone — more than double what the main game costs at basic strategy.
100 hands, $10 main bet + $5 Perfect Pairs side bet per hand. Main game (0.5% edge): expected loss = $5. Perfect Pairs (5% edge): expected loss = $25. Combined expected loss: $30 — where 83% of it comes from the side bet, which represents only 33% of total wagering. Side bets are mathematically the most expensive part of your session, not an add-on.
When Side Bets CAN Be Exploited (Card Counting)
Here's where the side bet picture gets more nuanced. Three side bets have been demonstrated as exploitable by skilled card counters under specific conditions:
Insurance — The Most Countable Side Bet
Insurance is mathematically sound when the deck is rich enough in 10-value cards that the probability of dealer blackjack exceeds 33.3% (the break-even point for the 2:1 payout). Using the Hi-Lo count, the rule is simple: take insurance at True Count +3 or higher. At that count, the deck has enough 10-value cards that the dealer is more likely to have blackjack than the base probability assumes. This is well-documented in every serious card counting guide and is not controversial — it's simply math.
Lucky Ladies — Extreme Count Required
Arnold Snyder's analysis (published in The Big Book of Blackjack) shows Lucky Ladies becomes exploitable at extreme counts. The rule he derived: in a 6-deck game, bet Lucky Ladies only in the last two decks with a Red Sevens count of +10 or greater. In double-deck, wait until the last deck with a count of +6. These are rare conditions that require significant counting discipline and table access. Most casual or intermediate counters won't encounter or can't take advantage of these moments.
21+3 — Situational Advantage
The 21+3 side bet is susceptible to count-based exploitation because flush probabilities shift as cards are depleted from the shoe. At high true counts, the density of any particular suit changes. This is more complex than Insurance counting and requires a specialized count or supplemental system, but it has been documented by gambling mathematicians. For most players this is theoretical rather than practical — the edge gained is modest and the opportunities infrequent.
If you're counting cards at all, the primary application should be the main game — adjusting bet size and certain strategy decisions based on the true count. The side bet counting applications (Lucky Ladies at +10, Insurance at +3) are secondary opportunities that appear occasionally. Don't start playing side bets you wouldn't otherwise play just because you're counting — the edge from the count rarely overcomes a side bet's base house edge unless the count threshold is genuinely met.
The Bankroll Impact: Real Numbers
Let's put the actual dollar cost on the table. These calculations assume 100 hands per session, consistent bet sizes, and mid-range house edges for each side bet:
These numbers explain why casinos love side bets — and why players who add multiple side bets can turn a low-edge game into a very expensive session without realizing it. The individual amounts seem small per hand, but they accumulate faster than most players track.
How to Choose — If You Insist on Playing One
If you've read this far and still want to play a side bet occasionally — that's completely valid. Here's the practical framework for choosing wisely:
1. Stick to 21+3 or Hot 3 if available. These are the lowest house edge options among commonly available side bets. With a favorable paytable (~2.74% for 21+3), you're paying a premium for entertainment that's relatively modest compared to alternatives.
2. Check the specific paytable, not just the bet name. "21+3" at one casino might have a 2.74% edge; at another it might have a 6.29% edge. The difference is the payout for each hand tier. Look for 100:1 on suited three of a kind, 40:1 on straight flush, 30:1 on three of a kind — those are Evolution/Playtech standard payouts that produce the lower end of the edge range.
3. Keep side bets small relative to your main bet. A rule of thumb: cap side bets at 10% of your main bet size. $10 main bet → $1 side bet maximum. This way the side bet adds entertainment without significantly distorting your session's expected outcome.
4. Never treat side bets as a loss recovery mechanism. The most expensive mistake I've seen: a player loses several main hands, doubles down on side bets chasing a big payout to "get back to even." Side bets at 17–25% house edge cannot be a loss recovery tool. They accelerate losses, not reverse them.
5. Avoid Lucky Ladies and Super Sevens unless you're counting. The house edges on these bets — 17–25% and 11–13% respectively — are genuinely punishing. Unless you're an advanced counter who can identify the specific count conditions that make Lucky Ladies profitable, these bets cost you significantly more than the entertainment value justifies. Our bankroll management guide has session budget frameworks that help contain side bet costs.
Frequently Asked Questions
What are blackjack side bets?
Blackjack side bets are optional wagers placed alongside your main bet before the deal, based on specific card outcomes — your cards forming a pair, three-card poker hands including the dealer's upcard, or the dealer busting. They offer higher payouts than standard blackjack (up to 1,000:1 or more), but always carry significantly higher house edges: typically 3% to 25% compared to under 0.5% for the main game with basic strategy.
What is the best blackjack side bet?
In terms of lowest house edge, 21+3 with a favorable paytable is generally the best option at approximately 2.74% (suited three-of-a-kind pays 100:1, straight flush 40:1, three-of-a-kind 30:1). Hot 3 is also competitive at 2.5–6.4% depending on the casino. No side bet approaches the house edge of the main blackjack game with basic strategy — even the best side bet costs roughly 8�— more per dollar wagered than the main game.
Should I take Insurance in blackjack?
For basic strategy players: no. Insurance carries a house edge of approximately 7.4% in multi-deck games. The dealer holds blackjack roughly 30.8% of the time when showing an Ace in a fresh 6-deck game — you'd need that probability to exceed 33.3% to break even at 2:1. The exception is card counters: at True Count +3 or higher, the remaining deck has enough 10-value cards that insurance becomes a positive expected value bet. See our insurance explained guide for the full calculation.
Can you count cards to beat side bets?
Yes, for some side bets in specific conditions. Insurance is profitable at True Count +3 or higher using Hi-Lo counting. Lucky Ladies becomes exploitable in a 6-deck game when the last two decks show a Red Sevens count of +10 or greater (Arnold Snyder's analysis). 21+3 has some countability due to suit density shifts at high counts. These opportunities are real but relatively rare and require significant counting skill. For most players, the primary focus should be counting the main game; side bet counting is a secondary opportunity.
What is the 21+3 side bet in blackjack?
21+3 combines your first two cards with the dealer's upcard to form a three-card poker hand. You win if those three cards form a flush (5:1), straight (10:1), three of a kind (30:1), straight flush (40:1), or suited three of a kind (100:1). It's generally the lowest house edge side bet available (2.74% with the best paytable), making it the best choice if you want to play a side bet. Full details in our 21+3 complete guide.
How much do side bets actually cost over a session?
More than most players realize. At 100 hands with a $5 Perfect Pairs side bet (5% edge), your expected side bet loss is $25 — more than double what the main game costs at basic strategy over the same session. A $5 Lucky Ladies side bet (20% edge) adds an expected $100 in losses over 100 hands. Side bets typically cost more per session than the main game despite being smaller in nominal bet size, because their house edges are 10–50�— higher.
📚 Sources & References
- Wizard of Odds — "Blackjack Side Bets" (index page): Master list of 50+ side bets with dedicated analysis pages for each. House edge tables for 21+3, Perfect Pairs, Insurance, and more. wizardofodds.com/games/blackjack/side-bets
- Wizard of Odds — "Ask the Wizard: Blackjack Side Bets": Lucky Ladies counting analysis (Arnold Snyder reference), Super Fun 21 diamond blackjack edge calculation, Insurance at high counts. wizardofodds.com ask-the-wizard
- PokerNews — "Blackjack Side Bets: Odds, House Advantage & Payouts Guide" (October 2025): 21+3 edge by deck count (4-deck: 8.78%, 6-deck: 7.14%), Perfect Pairs payout tiers, Insurance mechanics. pokernews.com
- DotEsports — "Blackjack Side Bets: Payouts, Odds & How They Work" (December 2025): Lucky Ladies 17–25% edge, Perfect Pairs 5% edge, 21+3 at 3–4% favorable, session math examples. dotesports.com
- Pokerology — "Blackjack Side Bets: Odds, Payouts, and What You Should Know" (December 2025): RTP range comparison (Perfect Pairs ~90–97%, Lucky Ladies ~75–83%), bankroll impact calculations, Blazing Sevens jackpot analysis. pokerology.com
- LiveCasinoComparer — "21+3 and Perfect Pairs Blackjack Side Bets Explained" (April 2026): Provider-by-provider paytable comparison (Evolution, Playtech, Ezugi, Pragmatic Play), Perfect Pairs 25:1 standard vs Visionary iGaming 11:1. livecasinocomparer.com
- LeoVegas — "21+3 Blackjack Side Bet: Complete Guide": 6-deck win rates by hand type, favorable paytable edge ~2.74%, comparison with Perfect Pairs and Lucky Ladies. leovegas.com
- ReadWrite — "21+3 Blackjack Side Bet: Rules, Payouts, Odds & Strategy" (July 2025): Lucky Ladies house edge 17% (6-deck), perfect pair hit rate, Super Sevens edge to 13%, countability overview. readwrite.com