BettingLab

NBA · spread_h1 · Published system

Road underdog of 4.5 or less on a 4+ game losing streak (first half)

Road team, underdog of 4.5 or less at the close, has lost 4+ straight. Bet that team ATS. First-half spread. Bet: back them on the 1st half spread.

44-19 since 2023, ROI after the vig +33.2%.

Published system — made money 2023–26 after the vig. Past results, not a guarantee.

All bets, 2023-24 to 2025-26
44-19 (n=63), won 69.8% (95% range 57.6% to 79.8%); break-even 52.4%; ROI after the vig +33.2%
Earlier seasons
2023-24: 16-5, +45.7%
Later seasons
2024-25 to 2025-26: 28-14, +27.0%
2023-24
16-5 (n=21), ROI +45.7%
2024-25
14-7 (n=21), ROI +26.8%
2025-26
14-7 (n=21), ROI +27.1%

How this is graded

This system was published elsewhere; we graded its rule on every game it fit in 2023-24 to 2025-26 at our closing consensus prices. ROI is profit per unit staked after the vig. We list a system only if it made money over the whole sample and in both the earlier and later seasons, on 50 or more decided bets. Rates exclude pushes; n counts decided bets.

Want these edges in your pocket?

Juiced surfaces today's +EV bets and arbitrage on your phone — same data, sorted by ROI.

For information only. Past results don't predict future ones. 21+. Gambling problem? Call 1-800-GAMBLER. Trend data from the MoneyLine API.