Updated 2026-07-30 · 8 decks · S17 · DAS · methodology

Hard 9 vs dealer 8: the verdict

Q: Hit or stand on hard 9 against a dealer 8?

Basic strategy says Hit. A genuine coin-flip — the gap is under half a cent per $1. Your chance of winning with the best play is about 49.1% (push 11.6%). Full EV math for every action is in the table above.

HIT

Basic strategy says hit. Against a dealer 8, drawing another card carries the best expectation for hard 9.

The numbers

Action	Win	Push	Lose	EV per $1
Hit	49.1%	11.6%	39.3%	+0.098
Double	45.2%	8.2%	46.5%	−0.026
Stand	24.5%	0.0%	75.5%	−0.511

Why hit is correct

Standing here wins only when the dealer busts, and a dealer showing 8 busts just 24.5% of the time — the other 75.5% they make a hand and your total loses on its own. Hitting risks going over, but the math nets out ahead: 49.1% wins versus 24.5% for standing, and a better expected value overall.

For context, a dealer 8 finishes on 17–20 about 68.6% of the time, on 21 6.9%, and busts 24.5%. Those dealer outcomes are the same no matter what you hold — the whole game is choosing the action whose distribution fits them best.

What the mistake costs

Choosing double instead of hit costs about $312 per 100 such hands at $25 a hand (−0.125 EV per dollar). The genuinely expensive error here is stand: −0.609 per dollar, or roughly $1522 per 100 hands at the same stakes.

Does the rule set change it?

No — hit holds across every common configuration: Vegas Strip, Atlantic City with late surrender, H17 games and European no-hole-card tables all agree here.

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Related spots

9 against other dealer cards:

vs 2 vs 3 vs 4 vs 5 vs 6 vs 7 vs 9 vs 10 vs Ace

Other key hands vs a dealer 8:

16 vs 8 12 vs 8 15 vs 8 soft 18 vs 8 8,8 vs 8

Frequently asked

Do you hit on 9 against a dealer 8?

Yes — hit is the basic-strategy play for Hard 9 vs 8 (EV +0.098 per $1). Double is the second-best option at −0.026.

What are the odds of winning with 9 vs 8?

Playing it correctly (hit), you win 49.1% of hands, push 11.6% and lose 39.3%.

Is it the same if the dealer hits soft 17?

Yes — under H17 rules the verdict is still hit.

Hit or stand on hard 9 against a dealer 8?

Basic strategy says Hit. A genuine coin-flip — the gap is under half a cent per $1. Your chance of winning with the best play is about 49.1% (push 11.6%). Full EV math for every action is in the table above.