SPOTTER.
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first pitch 1:10 PM CDT

Chicago White Sox @ Houston Astros

Thu 9/3 · 1:10 PM CDT · forecast weather in the grade · ump: confirmed
TOTAL · UNDER 8.5 RUNS
C
C cards like this have won 52% under · market 50%
FIRST 5 INNINGS
no lean
model 51% under · market 50%
the letter is how far we sit from the market, not how sure we are
THE PICTURE — what's driving the 8-point gapsized against each other · measured against the line — a stat the market already prices can point opposite its usual read
Schedule spot: getaway day for the away team — day game, then travel41%
Umpire gives hitters the borderline call more than mostagainst the under17%
The home starter walks 11.8% of batters, adjusted — a higher walk rate than average. Priced in, and it went too far — counts toward the under15%
Day gameagainst the under14%
The away team throws out base stealers12%
Market: Under 8.5 runs at -106 (pinnacle, quoted 12:00 PM CDT) · model expects ~8.2 runs · divergence 8 points — band C. lean, not edge-demonstrated C-band cutoffs fitted on OOF 2021-2024; the live record starts with this log. C cards in this market have won 52.2% of 2,317 out-of-sample grades (2021-2024), +1.0 points over break-even at the close. Not a betting-plan cell.
Frozen C at 8:15 AM CDT · the number held.
anchor Under 8.5 runs -106 → closed -106 · unchanged
SITUATIONAL CONDITIONSdetected for this game · not a grade input — anything that carries weight appears in THE PICTURE
Catcher rest spotVeteran rest spotDay game after a night gameGetaway day (day game, then travel)Deep into a road trip (game 7+)
Honest row: grades cap at the band — extreme disagreement is as often our error as the market's. Moneyline gets no grade because our model hasn't beaten that market and says so. Graded against the line at grade time; the model was validated against closing lines. Weather from forecast; regrade if conditions flip.
SERIES_UNDER The last game in this series finished 6.5 runs under its closing total — 2 runs against a total of 8.5. In 2021–25, the next game went under 54.6% of the time · personal rule, not graded
Raw grade details (all passes)
[
 {
  "market": "f5_total",
  "pass_kind": "first",
  "graded_utc": "2026-09-03T13:15:19Z",
  "rung": "l1",
  "fit_id": 16,
  "feature_version": 2,
  "model_p": 0.5256289606945309,
  "p_shipped": 0.47835579818567747,
  "model_mu": 3.9765598821042953,
  "market_p": 0.49612403100775193,
  "divergence": 0.02950492968677898,
  "band": null,
  "anchor_line": 4.5,
  "anchor_book": "pinnacle",
  "anchor_fetched_utc": "2026-09-03T13:15:19Z",
  "lineup_known": 0,
  "ump_state": "projected",
  "weather_kind": "none",
  "result": "won",
  "factors": [
   {
    "family": "ump",
    "phrase": "Umpire's strike zone runs narrower than most \u2014 fewer called strikes",
    "share": 0.308,
    "contribution": 0.14767,
    "kind": "driver",
    "features": [
     "ump_width_asof",
     "ump_rpg_dev_sd",
     "ump_k_dev_sd"
    ]
   },
   {
    "family": "battery",
    "phrase": "No record of strikes gained behind the plate for the away team \u2014 graded on league-typical assumptions",
    "share": 0.1734,
    "contribution": 0.08314,
    "kind": "gap",
    "features": [
     "a_framing_miss",
     "h_cs30",
     "h_cat_framing_prior"
    ]
   },
   {
    "family": "park",
    "phrase": "Day game",
    "share": 0.1473,
    "contribution": -0.07062,
    "kind": "driver",
    "features": [
     "day_game",
     "is_retract",
     "wx_miss"
    ]
   },
   {
    "family": "offense",
    "phrase": "The away team walking more than league average, last 30 games",
    "share": 0.1411,
    "contribution": 0.06765,
    "kind": "driver",
    "features": [
     "a_off_bb30",
     "h_off_hr30",
     "h_off_xbh30"
    ]
   },
   {
    "family": "starters",
    "phrase": "The home starter has thrown 475 pitches over 30 days",
    "share": 0.1372,
    "contribution": -0.06579,
    "kind": "driver",
    "features": [
     "h_sp_pitches_30d",
     "a_sp_k_pct_shr",
     "h_sp_tto_decay"
    ]
   },
   {
    "family": "strength",
    "phrase": "Team strength & form leans under \u2014 mostly the away team",
    "share": 0.093,
    "contribution": -0.04459,
    "kind": "driver",
    "features": [
     "a_rs30",
     "a_ra30",
     "h_ra30"
    ]
   }
  ]
 },
 {
  "market": "f5_total",
  "pass_kind": "final",
  "graded_utc": "2026-09-03T17:00:19Z",
  "rung": "l1",
  "fit_id": 16,
  "feature_version": 2,
  "model_p": 0.5031198533295602,
  "p_shipped": 0.4851284641991825,
  "model_mu": 5.035856375054204,
  "market_p": 0.5038759689922481,
  "divergence": -0.0007561156626878507,
  "band": null,
  "anchor_line": 4.5,
  "anchor_book": "pinnacle",
  "anchor_fetched_utc": "2026-09-03T17:00:19Z",
  "lineup_known": 1,
  "ump_state": "confirmed",
  "weather_kind": "forecast",
  "result": "lost",
  "factors": [
   {
    "family": "ump",
    "phrase": "Umpire's strike zone runs narrower than most \u2014 fewer called strikes",
    "share": 0.406,
    "contribution": 0.14767,
    "kind": "driver",
    "features": [
     "ump_width_asof",
     "ump_rpg_dev_sd",
     "ump_k_dev_sd"
    ]
   },
   {
    "family": "starters",
    "phrase": "The home starter has thrown 475 pitches over 30 days",
    "share": 0.1809,
    "contribution": -0.06579,
    "kind": "driver",
    "features": [
     "h_sp_pitches_30d",
     "a_sp_k_pct_shr",
     "h_sp_tto_decay"
    ]
   },
   {
    "family": "park",
    "phrase": "Day game",
    "share": 0.153,
    "contribution": -0.05566,
    "kind": "driver",
    "features": [
     "day_game",
     "is_retract",
     "alt_kft"
    ]
   },
   {
    "family": "offense",
    "phrase": "The away team walking more than league average, last 30 games",
    "share": 0.1374,
    "contribution": 0.04999,
    "kind": "driver",
    "features": [
     "a_off_bb30",
     "h_off_hr30",
     "h_off_xbh30"
    ]
   },
   {
    "family": "strength",
    "phrase": "Team strength & form leans under \u2014 mostly the away team",
    "share": 0.1226,
    "contribution": -0.04459,
    "kind": "driver",
    "features": [
     "a_rs30",
     "a_ra30",
     "h_ra30"
    ]
   }
  ]
 },
 {
  "market": "total",
  "pass_kind": "first",
  "graded_utc": "2026-09-03T13:15:19Z",
  "rung": "l1",
  "fit_id": 12,
  "feature_version": 2,
  "model_p": 0.41574901435485073,
  "p_shipped": 0.4785913687178962,
  "model_mu": 6.933345639533858,
  "market_p": 0.48843187660668386,
  "divergence": -0.07268286225183312,
  "band": "C",
  "anchor_line": 8.5,
  "anchor_book": "pinnacle",
  "anchor_fetched_utc": "2026-09-03T13:15:19Z",
  "lineup_known": 0,
  "ump_state": "projected",
  "weather_kind": "none",
  "result": "won",
  "factors": [
   {
    "family": "situational",
    "phrase": "Schedule spot: getaway day for the away team \u2014 day game, then travel",
    "share": 0.4511,
    "contribution": -0.26899,
    "kind": "driver",
    "features": [
     "h_rest0",
     "a_rest0",
     "a_getaway"
    ]
   },
   {
    "family": "ump",
    "phrase": "Umpire gives hitters the borderline call more than most",
    "share": 0.1934,
    "contribution": 0.11536,
    "kind": "driver",
    "features": [
     "ump_edge_cs_asof",
     "ump_bb_dev_sd",
     "ump_width_asof"
    ]
   },
   {
    "family": "starters",
    "phrase": "The home starter walks 11.8% of batters, adjusted \u2014 a higher walk rate than average. Priced in, and it went too far \u2014 counts toward the under",
    "share": 0.1698,
    "contribution": -0.10123,
    "kind": "driver",
    "features": [
     "h_sp_bb_pct_shr",
     "h_sp_starts_c10",
     "h_sp_pitches_30d"
    ]
   },
   {
    "family": "strength",
    "phrase": "The away team allowing 4.8 runs a game, last 30 \u2014 above league average. Priced in, and it went too far \u2014 counts toward the under",
    "share": 0.1001,
    "contribution": -0.05971,
    "kind": "driver",
    "features": [
     "a_ra30",
     "h_ra30",
     "a_rs30"
    ]
   },
   {
    "family": "defense",
    "phrase": "Defense leans over \u2014 mostly the away team",
    "share": 0.0856,
    "contribution": 0.05106,
    "kind": "driver",
    "features": [
     "a_err30",
     "a_unearned30",
     "h_unearned30"
    ]
   }
  ]
 },
 {
  "market": "total",
  "pass_kind": "final",
  "graded_utc": "2026-09-03T17:00:19Z",
  "rung": "l1",
  "fit_id": 12,
  "feature_version": 2,
  "model_p": 0.41822423213360793,
  "p_shipped": 0.4847145737325541,
  "model_mu": 8.206469151866234,
  "market_p": 0.5,
  "divergence": -0.08177576786639207,
  "band": "C",
  "anchor_line": 8.5,
  "anchor_book": "pinnacle",
  "anchor_fetched_utc": "2026-09-03T17:00:19Z",
  "lineup_known": 1,
  "ump_state": "confirmed",
  "weather_kind": "forecast",
  "result": "won",
  "factors": [
   {
    "family": "situational",
    "phrase": "Schedule spot: getaway day for the away team \u2014 day game, then travel",
    "share": 0.4067,
    "contribution": -0.26899,
    "kind": "driver",
    "features": [
     "h_rest0",
     "a_rest0",
     "a_getaway"
    ]
   },
   {
    "family": "ump",
    "phrase": "Umpire gives hitters the borderline call more than most",
    "share": 0.1744,
    "contribution": 0.11536,
    "kind": "driver",
    "features": [
     "ump_edge_cs_asof",
     "ump_bb_dev_sd",
     "ump_width_asof"
    ]
   },
   {
    "family": "starters",
    "phrase": "The home starter walks 11.8% of batters, adjusted \u2014 a higher walk rate than average. Priced in, and it went too far \u2014 counts toward the under",
    "share": 0.1531,
    "contribution": -0.10123,
    "kind": "driver",
    "features": [
     "h_sp_bb_pct_shr",
     "h_sp_starts_c10",
     "h_sp_pitches_30d"
    ]
   },
   {
    "family": "park",
    "phrase": "Day game",
    "share": 0.1425,
    "contribution": 0.09427,
    "kind": "driver",
    "features": [
     "day_game",
     "is_retract",
     "alt_kft"
    ]
   },
   {
    "family": "battery",
    "phrase": "The away team throws out base stealers",
    "share": 0.1232,
    "contribution": -0.08151,
    "kind": "driver",
    "features": [
     "a_cs30",
     "a_backup_catcher",
     "h_cs30"
    ]
   }
  ]
 }
]