Updated 2026-07-22 · 8 decks · S17 · DAS · methodology
Soft 18 (A,7) vs dealer 8: the verdict
The verdict is stand. Against a dealer 8, soft 18 (a,7) does best by letting the dealer take the risk of busting.
The numbers
| Action | Win | Push | Lose | EV per $1 |
|---|---|---|---|---|
| Stand | 37.3% | 35.9% | 26.7% | +0.106 |
| Hit | 43.6% | 16.7% | 39.7% | +0.040 |
| Double | 42.2% | 14.1% | 43.7% | −0.030 |
Why stand is correct
A dealer showing 8 busts 24.5% of the time, and that bust chance is doing the work here: standing wins 37.3% of hands without ever risking your own bust. Drawing a card would improve the total sometimes, but the bust risk and the hands you’d ruin cost more than they gain.
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 hit instead of stand costs about $166 per 100 such hands at $25 a hand (−0.066 EV per dollar). The genuinely expensive error here is double: −0.136 per dollar, or roughly $340 per 100 hands at the same stakes.
Does the rule set change it?
No — stand 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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soft 18 against other dealer cards:
Other key hands vs a dealer 8: