Craps odds bets: a lower house edge does not mean less lost

Adding an odds bet does not reduce your average dollar loss if you keep the same pass-line bet. It lowers the house-edge percentage because you are betting more money.

In our example, a $15 pass-line bet costs an average of $21.21 over 100 completed rounds, with or without added odds. Larger odds bets also allow larger wins and losses.

What we found

• The average loss stays the same: $21.21 over 100 rounds.
• The amount at risk increases: up to $90 in one round with the largest odds setting below.
• The lower percentage can be misleading: it applies to a larger amount of money wagered.

An average loss is a long-run calculation. It is not a prediction of what you will lose in one session.

A simple $15 example

The pass-line bet is your starting bet. An odds bet is an extra bet you can add after the dice establish a target number, called the point.

Here is what changes when the starting bet stays at $15:

Added odds	Average bet per round	Average loss over 100 rounds
None	$15.00	$21.21
1x	$25.00	$21.21
2x	$35.00	$21.21
3-4-5x	$56.67	$21.21

The average bet includes rounds where no odds bet is placed. A round ends when the pass-line bet wins or loses; it can take several dice rolls.

“1x” adds $15 when a point is set. “2x” adds $30. “3-4-5x” adds $45, $60, or $75, depending on the point.

Why the percentage falls

The casino has an advantage on the pass-line bet. Properly paid odds bets have no house advantage: their wins and losses balance out over the long run.

Adding odds therefore increases the money wagered without adding to the calculated average loss. The combined house edge falls from about 1.41% to 0.37% in this example. The $21.21 average loss does not fall with it.

The practical point: check the dollars at risk as well as the percentage. A lower percentage does not make a larger bet safer for your budget.

What to check before playing

Check the table minimum, odds limit, and maximum total bet. If you want to reduce the calculated dollar loss, a smaller pass-line bet does that, where table limits allow it.

For a bonus, check whether craps and odds bets count toward wagering. Use the bonus value calculator with the rules for that offer. Do not apply the combined 0.37% figure to pass-line-only bets.

How we checked the result

We used standard craps rules, fair dice, exact odds payouts, and a fixed $15 pass-line bet for 100 rounds. The model assumes enough funds to complete every round and excludes other bets and costs.

The calculation is 100 × $15 × 1.4141% = about $21.21. Added odds have zero average net loss, so they do not change that total.

Sources: MGM craps rules and Wizard of Odds pass-line and odds calculations.