How it works
After seeing your two cards and the dealer's upcard, you forfeit half your stake and end the hand. Late surrender means the dealer has already checked for blackjack; early surrender, which allows it before that check, is far more valuable and almost extinct.
Late surrender saves 0.086 percentage points, taking the edge from 0.512% to 0.426%.
When to use it
Surrender is correct when playing the hand out is worth less than losing half your bet, which is a narrow set of genuinely bad spots:
- Hard 16 against a 9, 10 or ace, except a pair of eights, which you split.
- Hard 15 against a 10.
- Under H17, also 15 and 17 against an ace, and a pair of eights against an ace.
That is close to the whole list. Surrendering more than this gives away value, which is why the option costs the house so little in practice: most players who have it either never use it or use it far too often.
Why it feels wrong
Folding a hand before it is resolved reads as defeatism. The arithmetic is plain: a hard 16 against a dealer 10 wins under a quarter of the time, so its expected value is worse than a guaranteed loss of half a unit.
Our dealer upcard odds page shows why those particular spots are so poor: against a 9, 10 or ace the dealer busts less than a quarter of the time.
Frequently Asked Questions
- What is late surrender?
- Forfeiting half your stake to end a hand, after the dealer has checked for blackjack. It saves 0.09 percentage points when used correctly.
- Which hands should I surrender?
- Hard 16 against a 9, 10 or ace (but split 8,8), and hard 15 against a 10. Under H17, also 15, 17 and a pair of eights against an ace.
- Is surrender available everywhere?
- No, it is relatively uncommon and usually found on higher-limit tables.
- Does surrender make blackjack a better game?
- Marginally. It is worth about a sixteenth of what the blackjack payout is worth.
Corrected on 17 October 2026: under H17 the engine also surrenders 15 against an ace (R −0.5 against H −0.507); this page listed only 17.
Corrected on 2 November 2026: under H17 the engine and a second solver also surrender a pair of eights against an ace, which this page did not list, and its list under the answer box left out 15.
Corrected on 2 November 2026: this page said the model sits a few hundredths of a percent from an exact shoe analysis. It is about a tenth of a point: Wizard of Odds' simulations give about 0.41% for six decks under these rules, against the model's 0.5117%.
Every figure on this page is computed by an expected-value engine that plays the game out: it derives the dealer's final-total distribution by recursion, evaluates standing, hitting, doubling and splitting at each decision, and takes the best. Rule costs are measured by re-running the whole calculation with the rule changed, not by quoting a published delta. The model assumes independent card draws, which prices a six-deck game about a tenth of a point worse than a shoe does; the rule differences it produces match published values. Rules vary by table, so read the felt.