Combined: 1.32 · Boost. Blends park factor (1.20×) and weather adjustment (+1.0%) into a single HR-favorability number. Above 1.00 means the environment helps HRs vs neutral. Below means it suppresses. Park, wind, temp, and roof show the inputs that produced this number, not separate signals to stack on top.
Combined: 1.22 · Boost. Blends park factor (1.02×) and weather adjustment (+2.0%) into a single HR-favorability number. Above 1.00 means the environment helps HRs vs neutral. Below means it suppresses. Park, wind, temp, and roof show the inputs that produced this number, not separate signals to stack on top.
Combined: 1.33 · Boost. Blends park factor (1.10×) and weather adjustment (+2.0%) into a single HR-favorability number. Above 1.00 means the environment helps HRs vs neutral. Below means it suppresses. Park, wind, temp, and roof show the inputs that produced this number, not separate signals to stack on top.
Combined: 1.18 · Boost. Blends park factor (0.98×) and weather adjustment (+2.0%) into a single HR-favorability number. Above 1.00 means the environment helps HRs vs neutral. Below means it suppresses. Park, wind, temp, and roof show the inputs that produced this number, not separate signals to stack on top.
Combined: 1.08 · Elevated. Blends park factor (0.83×) and weather adjustment (+3.0%) into a single HR-favorability number. Above 1.00 means the environment helps HRs vs neutral. Below means it suppresses. Park, wind, temp, and roof show the inputs that produced this number, not separate signals to stack on top.
Combined: 1.26 · Boost. Blends park factor (1.26×) and weather adjustment (+0.0%) into a single HR-favorability number. Above 1.00 means the environment helps HRs vs neutral. Below means it suppresses. Park, wind, temp, and roof show the inputs that produced this number, not separate signals to stack on top.
Combined: 1.24 · Boost. Blends park factor (0.95×) and weather adjustment (+3.0%) into a single HR-favorability number. Above 1.00 means the environment helps HRs vs neutral. Below means it suppresses. Park, wind, temp, and roof show the inputs that produced this number, not separate signals to stack on top.
Combined: 1.03 · Elevated. Blends park factor (0.94×) and weather adjustment (+1.0%) into a single HR-favorability number. Above 1.00 means the environment helps HRs vs neutral. Below means it suppresses. Park, wind, temp, and roof show the inputs that produced this number, not separate signals to stack on top.
Combined: 1.59 · Boost. Blends park factor (1.14×) and weather adjustment (+4.0%) into a single HR-favorability number. Above 1.00 means the environment helps HRs vs neutral. Below means it suppresses. Park, wind, temp, and roof show the inputs that produced this number, not separate signals to stack on top.
Combined: 1.11 · Boost. Blends park factor (0.92×) and weather adjustment (+2.0%) into a single HR-favorability number. Above 1.00 means the environment helps HRs vs neutral. Below means it suppresses. Park, wind, temp, and roof show the inputs that produced this number, not separate signals to stack on top.
Combined: 0.92 · Soft suppress. Blends park factor (1.03×) and weather adjustment (-1.0%) into a single HR-favorability number. Above 1.00 means the environment helps HRs vs neutral. Below means it suppresses. Park, wind, temp, and roof show the inputs that produced this number, not separate signals to stack on top.
Combined: 0.60 · Suppress. Blends park factor (1.01×) and weather adjustment (-4.0%) into a single HR-favorability number. Above 1.00 means the environment helps HRs vs neutral. Below means it suppresses. Park, wind, temp, and roof show the inputs that produced this number, not separate signals to stack on top.
Combined: 1.17 · Boost. Blends park factor (1.17×) and weather adjustment (+0.0%) into a single HR-favorability number. Above 1.00 means the environment helps HRs vs neutral. Below means it suppresses. Park, wind, temp, and roof show the inputs that produced this number, not separate signals to stack on top.
Combined: 0.90 · Soft suppress. Blends park factor (0.90×) and weather adjustment (+0.0%) into a single HR-favorability number. Above 1.00 means the environment helps HRs vs neutral. Below means it suppresses. Park, wind, temp, and roof show the inputs that produced this number, not separate signals to stack on top.
Ranked by composite scoreBP = Bullpen · WT = Weather
🥇Golden Slate5 top-15 batters face HR-prone pitchers
#2 Esteury Ruiz vs Andrew Painter FIP 5.24HR/FB 23.8%#8 Jasson Dominguez vs Anthony Kay FIP 5.52HR/FB 24.4%#9 Brandon Lowe vs Aaron Civale FIP 5.56HR/FB 20.5%#11 Juan Soto vs Nick Lodolo FIP 6.57HR/FB 20.0%#12 Matt Olson vs Adrian Houser FIP 5.18HR/FB 22.9%
📦STACKAnthony Kay FIP 5.52HR/FB 12.5%→ #1 Ben Rice, #8 Jasson Dominguez
📦STACKGavin Williams FIP 3.9HR/FB 22.5%→ #3 Jake Bauers, #5 Jackson Chourio
Tier
Score
Edge
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Form
BP
Weather
Time
Power
Roster
2025 full-season backtest
2025 backtest: a top-15 pick went yard on 92.9% of slates · top-50 picks hit 1.6x the field
Sample window: 2025 full-season backtest · 182 slates · 2025-03-27 to 2025-09-28Live 2026 is current through 2026-06-26. Past performance ≠ guarantee.