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MLB Sports Betting Index (SBI) Report – Thursday, September 18, 2025

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The Raymond Report Sports Betting Index (SBI) tracks betting market performance across Straight-Up (SU) favorites, Over/Under totals, and ATS (runline) favorites. Today’s snapshot shows the chalk holding strong, with the runline and moneyline both trending bullish, while totals remain flat.


Straight-Up (SU) Favorites – Chalk Still Cashing

  • 1-Day: 67% – BULLISH
  • 3-Day: 61.3% – BULLISH
  • 7-Day: 68.6% – BULLISH
  • 1-Month: 57.5% – BULLISH
  • Year-to-Date: 55.9% – Neutral

Favorites are dominating across all short-term windows, cashing nearly 69% over the past week. This is a strong bullish signal for moneyline bettors backing chalk.


Over/Under Totals – Market in Neutral Gear

  • 1-Day: 50% Overs – Neutral
  • 3-Day: 55.7% Overs – Neutral
  • 7-Day: 53.3% Overs – Neutral
  • 1-Month: 52.6% Overs – Neutral
  • Year-to-Date: 48.6% Overs – Neutral

Scoring has been balanced with no major edge between Overs and Unders. Bettors should approach totals cautiously, as the market continues to self-correct.


Against the Spread (ATS) Favorites – Runline Bullish

  • 1-Day: 67% – BULLISH
  • 3-Day: 63.3% – BULLISH
  • 7-Day: 70.3% – BULLISH
  • 1-Month: 59.4% – BULLISH
  • Year-to-Date: 52% – Neutral

Runline favorites are on a heater, hitting over 70% in the past 7 days. Bettors backing chalk -1.5 are seeing consistent returns, making this the strongest signal on today’s board.


Raymond Report Market Takeaway

📊 Thursday Insights:

  • Favorites are controlling the market, both SU and ATS.
  • Totals remain balanced, with no consistent lean.
  • Short-term investors should continue leaning toward favorites and runline chalk, where the bullish momentum remains strongest.

👉 Stay ahead of the market every day with the Sports Betting Index Reports at ATSStats.com.

#MLB #SportsBetting #BaseballPicks #ATSSTATS #RaymondReport #MLBPicks #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.