The Horn Bet is a single-roll wager covering 2, 3, 11, and 12 simultaneously — 4 units, one on each number. It resolves immediately on the next roll with a 12.5% house edge.
You place 4 units (e.g. $4) in the proposition box and the dealer splits it: $1 on the 2 (aces), $1 on the 3, $1 on the 11 (yo), and $1 on the 12 (boxcars). The next roll decides everything.
If any horn number rolls, that unit wins and the other three lose. If any other number rolls (4, 5, 6, 7, 8, 9, 10), all four units lose. The bet does not carry over — it's resolved on the very next roll.
Horn bets must be in multiples of 4 so the dealer can split them evenly. A $5 Horn isn't standard — you'd need to specify "Horn High" (see below) or bet $4 or $8.
When a horn number hits, that $1 unit wins its posted amount — but the other three units are lost. The net payout accounts for those losses:
| Roll | Ways | P(Roll) | Gross Win | Lose 3 Units | Net Payout |
|---|---|---|---|---|---|
| 2 | 1 | 2.78% | 30:1 | −$3 | +$27 |
| 3 | 2 | 5.56% | 15:1 | −$3 | +$12 |
| 11 | 2 | 5.56% | 15:1 | −$3 | +$12 |
| 12 | 1 | 2.78% | 30:1 | −$3 | +$27 |
| Any other | 30 | 83.3% | — | — | −$4 |
EV per $4 bet: (1/36)×27 + (2/36)×12 + (2/36)×12 + (1/36)×27 − (30/36)×4 = −$0.50, for a house edge of exactly 12.5%.
A Horn High is a 5-unit bet where the extra unit goes on one specific number: Horn High Ace-Deuce (extra on 3), Horn High Yo (extra on 11), Horn High Aces (extra on 2), or Horn High Twelve (extra on 12).
| Bet | Units | Extra On | Best Case Payout |
|---|---|---|---|
| Horn High Aces | 5 | 2 | $130 net on 2 (2×30−4) |
| Horn High Twelve | 5 | 12 | $130 net on 12 |
| Horn High Yo | 5 | 11 | $27 net on 11 (2×15−3) |
| Horn High Ace-Deuce | 5 | 3 | $27 net on 3 |
Horn High bets don't meaningfully change the house edge — they just tilt your exposure toward one number. Avoid them unless you have a strong superstition about a specific number.
The Horn Bet resolves on every roll, so 50,000 rolls means 50,000 decisions. At 12.5% house edge on $4 per roll, the expected loss over this session is around $6,667. Notice the steep, consistent downward slope — single-roll bets rarely recover.
InfiniteCraps lets you place the Fire Bet, hardways, horn, and all prop bets in a free live-action simulator — no download, no sign-up.