BettingLab

NBA · total_h1 · Published system

Two slow starters (-3 1H each): 1H under

Two slow starters (-3 1H each): 1H under. Machine rule: {"seasonType": "regular", "side": "home", "derived.h1SeasonMarginAvg": {"max": -3}, "schedule.teamGameNumber": {"min": 4}, "opponent.derived.h1SeasonMarginAvg": {"max": -3}} Bet: bet the 1st half under.

98-83 since 2023, ROI after the vig +3.4%.

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

All bets, 2023-24 to 2025-26
98-83 (n=181), won 54.1% (95% range 46.9% to 61.2%); break-even 52.4%; ROI after the vig +3.4%
Earlier seasons
2023-24: 31-27, +2.0%
Later seasons
2024-25 to 2025-26: 67-56, +4.0%
2023-24
31-27 (n=58), ROI +2.0%
2024-25
23-30 (n=53), ROI -17.2%
2025-26
44-26 (n=70), ROI +20.1%

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.

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