The following table shows the net return per unit bet on various spreads, assuming a six deck game. As you can see only spreads of seven or more are favorable. Thus the player should only raise on spreads of 7 or more, which is true regardless of the number of decks used.
| Expected Gain by Raising |
| Spread | Pays | Probability of winning | Player's edge |
| 1 | 5 | 0.077419 | -0.535484 |
| 2 | 4 | 0.154839 | -0.225806 |
| 3 | 2 | 0.232258 | -0.303226 |
| 4 | 1 | 0.309677 | -0.380645 |
| 5 | 1 | 0.387097 | -0.225806 |
| 6 | 1 | 0.464516 | -0.070968 |
| 7 | 1 | 0.541935 | 0.083871 |
| 8 | 1 | 0.619355 | 0.238710 |
| 9 | 1 | 0.696774 | 0.393548 |
| 10 | 1 | 0.774194 | 0.548387 |
| 11 | 1 | 0.851613 | 0.703226 |
House Edge
The following table displays the house edge and element of risk according to the number of decks used.
| House Edge in Red Dog |
| Number of Decks | House Edge | Element of Risk |
| 1 | 3.155% | 2.672% |
| 2 | 3.077% | 2.609% |
| 4 | 2.884% | 2.447% |
| 6 | 2.798% | 2.375% |
| 8 | 2.751% | 2.335% |
Most online casinos offer 1 deck Red Dog, Download Series have selected some casinos that give the oppurtunity to select the number of decks:
