17
December
Week 15 NFL 80/20 Betting System Update
12/17/2011
In NFL
This year, we’ve highlighted the 80/20 Rule in regards to NFL betting. The 80/20 NFL Rule refers to games where a home underdog is receiving 20% or fewer of spread bets (using Sports Insights’ NFL Betting Trends Data).
Last week, the system went 2-0, as both Washington and Arizona covered the spread, improving the system’s season record to 13-5 (72.2%).
At the time of publication, there are four Week 15 NFL games that fit this strategy, including our NFL Marketwatch selection:
| Team | Spread % | Current Line * | Open Line * |
| Packers | 87% | -13.5 (-115) | -14 (-105) |
| Chiefs | 13% | +13.5 (-105) | +14 (-115) |
| Saints | 90% | -6.5 (-115) | -7 (-105) |
| Vikings | 10% | +6.5 (-105) | +7 (-115) |
| Titans | 81% | -6.5 | -6.5 |
| Colts | 19% | +6.5 | +6.5 |
| Bengals | 90% | -6.5 | -6 |
| Rams | 10% | +6.5 | +6 |
* Olympic was used for Open and Current Lines
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