The true odds are the odds actually paid out for odds bets made on the pass, don't pass, come and don't come bets.

For pass and come bets:


Number Odds
4 or 10 rolled 2-1
5 or 9 rolled 3-2
6 or 8 rolled 6-5
For don't pass and don't come bets:


Number Odds
4 or 10 rolled 1-2
5 or 9 rolled 2-3
6 or 8 rolled 5-6