Houston Astros @ Philadelphia Phillies
HAAwayHouston Astros29%
@PPHomePhiladelphia Phillies71%
Model PickPhiladelphia Phillies 71%Market edge — disclosed after closing odds are collectedEvidence 12 structured · 2 qualitative
AI Summary grounded in real data · zero hallucination
Our model projects the Philadelphia Phillies with a 71% win probability, favoring them over the Houston Astros. This prediction is primarily driven by the Phillies' significant advantages in 'Starting Pitcher Matchup' and 'Team ERA'. However, with no market edge calculated, it's difficult to assess the value of this pick against the market.
Logistic-regression statistical model — predicts Houston Astros vs Philadelphia Phillies by accumulating the log-odds contributions of 12 proven structured metrics. Only structured metrics enter the probability; qualitative and folklore factors get a label only. Predictions are sealed with SHA-256 before the game.
Model factor contribution How the 71% home win was derived
Home Advantage+2.5
Pythagorean Expectation+2.2
Season Win%+1
Home/Away Split+0.4
Team OBP-0.4
Team SLG-0.7
Team ERA+4.7
Team WHIP+1.9
Starting Pitcher Matchup+9.2
Baseline 50% → final home win70.7%
Each factor's log-odds contribution accumulated · only structured metrics reflected (qualitative/folklore excluded) · each %p converts log-odds to probability, so it's non-linear — a simple sum may not exactly equal (final − baseline)
Structured metric analysis 12 metrics · fully disclosed
| Metric | Analysis (home vs away) | Source |
|---|---|---|
| Home Advantage | Philadelphia Phillies at home — MLB historical home win rate ~.535 (ballpark familiarity, no travel) | MLB StatsAPI |
| Pythagorean Expectation | Home 52.7% (658 RS/620 RA) vs Away 47.2% (660/701) — strength from runs scored/allowed | MLB StatsAPI |
| Season Win% | Home 82-64 (.562) vs Away 74-72 (.507) | MLB StatsAPI |
| Last 10 Games Form | Home 6-4 vs Away 6-4 · Home W1 | MLB StatsAPI |
| Home/Away Split | Home team home 41-33 · away team away 37-34 | MLB StatsAPI |
| Team OBP | Home .312 vs Away .315 — foundation of scoring | MLB StatsAPI |
| Team SLG | Home .401 vs Away .410 (OPS .713/.725) | MLB StatsAPI |
| Team ERA | Home 4.00 vs Away 4.55 — lower is better | MLB StatsAPI |
| Team WHIP | Home 1.27 vs Away 1.35 — baserunners allowed per inning (lower is better) | MLB StatsAPI |
| Starting Pitcher Matchup | Home Zack Wheeler (ERA 3.23) vs Away Cristian Javier (ERA 5.98) | MLB StatsAPI |
| Hitting Detail (BABIP, K, BB) | Home BABIP .285 · K 1211 · BB 463 / Away BABIP .279 · K 1196 · BB 478 (BABIP is luck-driven → not factored into probability) | MLB StatsAPI |
| Pitching Detail (K/BB, HR9) | Home K/BB 3.28 · HR9 1.19 / Away K/BB 2.15 · HR9 1.29 | MLB StatsAPI |
Qualitative & folklore factors 2 factors · fully disclosed
Qualitative · Astros' Bottom-Order Surge
The Houston Astros' bottom of the lineup played a crucial role in their recent win against the Philadelphia Phillies, significantly contributing to the victory.
Basis: LLM · news · 'Pests' at bottom of Astros' lineup come up big in
Qualitative · Astros' Defensive Edge
The Houston Astros' defense was instrumental in securing their recent win against the Philadelphia Phillies, helping them hang on for the victory.
Basis: LLM · news · Defense helps save the day as Astros hang on to ed
12 source headlines (auto-collected · basis disclosed)
- Houston Astros at Philadelphia Phillies Game Story, Scores/Highlights - 09/08/2026
- Houston Astros at Philadelphia Phillies MLB Prediction, Picks & Odds for Sept. 8, 2026
- Defense helps save the day as Astros hang on to edge Phillies
- Astros vs. Phillies (9 Sep, 2026) Live Score - ESPN (UK)
- Houston Astros vs. Philadelphia Phillies: Game Highlights
- Houston Astros at Philadelphia Phillies - Where to Watch, Stream Info, TV Channel, and Live Updates (September 08, 2026)
- Houston Astros at Philadelphia Phillies Game Story, Scores/Highlights - 09/09/2026
- Houston Astros at Philadelphia Phillies - Where to Watch, Stream Info, TV Channel, and Live Updates (September 09, 2026)
Frequently asked questions This game's prediction summary
Houston Astros vs Philadelphia Phillies — who's more likely to win?
SealedSlate's logistic-regression statistical model gives Philadelphia Phillies a 71% chance to win (Home 71% · Away 29%). MLB · 2026-09-11 02:05 KST.
How was the 70.7% home-win probability calculated?
Starting from a 50% baseline, we additively accumulate the log-odds contributions of 12 proven structured statistical metrics to reach the final 70.7%. Each factor's %p contribution is fully disclosed on the page; qualitative and folklore factors are not reflected in the probability.
Can this prediction be altered later?
No. Every prediction is sealed with a SHA-256 hash before the game starts and permanently recorded in the track record, making after-the-fact changes impossible. SealedSlate runs a transparent ledger that never inflates the hit rate and leaves missed predictions exactly as they were.
We don't compete on hit rate — every factor is fully disclosed and labeled. Only 📊 structured stats feed the probability (each factor's contribution shown in %p); ⚔️🔮 are context to weigh. Predictions are locked and sealed before the game — verify the hits directly on the track record.