Key Facts
- Format
- 2+ legs, same game
- Correlation
- Common — books price separately
- Hold
- Higher than straight parlays
- Cash-Out
- Usually available
Why SGPs Are Priced Differently
Straight parlays multiply independent odds because each leg is theoretically uncorrelated. SGP legs correlate — if the QB throws for 350 yards, his top WR is more likely to hit the receiving over. Books recalculate the SGP price to reflect that correlation, which produces a higher implied hold than a straight parlay of the same nominal odds.
Building an SGP
Most Nebraska kiosks include an SGP builder for major NFL, NBA, MLB and soccer games. Pick a game, pick legs (moneyline, totals, player props), and the kiosk calculates a combined price. Some books restrict which leg combinations are allowed because of extreme correlation (e.g. picking an under and a specific player to score over 1.5 touchdowns).
When SGPs Are +EV
SGPs can be +EV when you have an opinion on multiple correlated outcomes that the book has under-correlated in its pricing model. The classic example is fading both sides of a slow-pace game total — under the team total for both teams plus under the game total can be priced as if the legs are nearly independent.