House edge · denominator-aware view
Blackjack house edge calculator by table rules.
Compare a canonical house edge per initial wager with element of risk per total amount wagered, while rules, strategy and shoe policy remain named.
A fixed illustrative specimen is shown before an authoritative calculation is connected.
This illustrative fixed preview is not a live calculation, forecast or gambling result. Connect an authoritative run before relying on its values.
Denominator-aware result
These two views answer different questions and must not be substituted for one another.
Canonical house edge
Expected loss per initial wager. This is the canonical house-edge denominator.
- Exact identity
- −netReturn ÷ initialWagerTotal
- Confidence interval
- Fixed preview band · not a live confidence interval
Element of risk
Expected loss per total amount wagered, including additional action exposure.
- Exact identity
- −netReturn ÷ totalAmountWagered
- Confidence interval
- Fixed preview band · not a live confidence interval
Rule contributions
Directional preview contributions explain the fixed specimen; they are not a complete live decomposition.
| Rule | Value | Direction | Detail |
|---|---|---|---|
| Dealer hits soft 17 | +0.18 pp | Increases edge | Illustrative fixed-specimen contribution; not a live marginal effect. |
| Double after split | −0.14 pp | Decreases edge | Illustrative fixed-specimen contribution; interaction effects are not decomposed here. |
| Late surrender | −0.07 pp | Decreases edge | Illustrative fixed-specimen contribution under the named scenario. |
Method and identity
Keep the strategy, shoe policy, method and result identity with every comparison.
- Method
- Illustrative fixed preview · not live or authoritative
- Model
- house-edge-preview-v1
- Ruleset
- American six-deck preview rules
- Strategy
- Basic-strategy preview policy
- Shoe policy
- Six-deck cut-card preview policy
- Trials
- 100,000 displayed trials
- Seed
- house-edge-preview-v1
- Confidence
- Illustrative band only
- PRNG
- Preview identity only
- Result identity
- illustrative-house-edge-result-v1
This illustrative fixed preview is not a live calculation, forecast or gambling result. Connect an authoritative run before relying on its values.