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

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.

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