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MLB Sports Betting Index (SBI) Report – Friday, September 19, 2025

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The Raymond Report Sports Betting Index (SBI) measures how the betting market is trending in moneyline favorites (SU), totals (Over/Under), and ATS favorites (runline). Today’s update highlights a strong tilt toward chalk, but totals bettors need to beware.


Straight-Up (SU) Favorites – Chalk Control

  • 1-Day: 70% – BULLISH
  • 3-Day: 62.3% – BULLISH
  • 7-Day: 65.9% – BULLISH
  • 1-Month: 57.3% – BULLISH
  • Year-to-Date: 56% – Neutral

Favorites are cashing consistently, with back-to-back weeks of bullish returns. Bettors sticking with the moneyline chalk have had the clear edge.


Over/Under Totals – Overs Ice Cold

  • 1-Day: 10% Overs – BEARISH
  • 3-Day: 44.3% Overs – Neutral
  • 7-Day: 50% Overs – Neutral
  • 1-Month: 50.7% Overs – Neutral
  • Year-to-Date: 48.4% Overs – Neutral

Yesterday was a bloodbath for totals bettors, with just 10% of Overs cashing. That’s a major bearish signal, as pitching continues to dominate and bats fall flat.


Against the Spread (ATS) Favorites – Runline Still Bullish

  • 1-Day: 70% – BULLISH
  • 3-Day: 64.3% – BULLISH
  • 7-Day: 67.6% – BULLISH
  • 1-Month: 59.1% – BULLISH
  • Year-to-Date: 52.1% – Neutral

Runline favorites remain one of the hottest bets on the board, hitting over 67% in the past week. Chalk bettors laying -1.5 runs are seeing steady profits.


Raymond Report Market Takeaway

📊 Friday Insights:

  • Favorites (SU & ATS) are dominating across every time window.
  • Overs crashed hard, with only 10% cashing yesterday.
  • Best play for sports investors: ride the runline favorites, where bullish momentum remains the strongest.

👉 Check the full Sports Betting Index Reports daily at ATSStats.com and stay ahead of the market.

#MLB #SportsBetting #ATSSTATS #BaseballBets #MLBPicks #RaymondReport #SportsInvesting


 

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Ron Raymond
Ron Raymond is a veteran sports handicapper and founder of ATSstats.com, creator of the Raymond Report sports betting system. Active in the industry since 1996, Ron has nearly three decades of experience analyzing market cycles, performance indicators, and value metrics across the NFL, NHL, NBA, MLB, and CFL. Ron’s data-driven approach has helped thousands of bettors think strategically, manage risk, and win with confidence.