SPOTTER.
You have to decide based on everything. Here's everything — graded.
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MIN 4 · LAA 5 — how the graded markets landed
FINAL

Minnesota Twins @ Los Angeles Angels

Fri 9/18 · 8:38 PM CDT · forecast weather in the grade · ump: confirmed
FIRST 5 INNINGS · UNDER 3.5
C
C cards like this have won 51% under · market 48%
TOTAL · UNDER 7.0 RUNS
C
C cards like this have won 52% under · market 48%
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
The away starter strikes out 26.6% of batters, adjusted — a higher strikeout rate than average34%
The home team below league average in home runs, last 30 games24%
Wind blowing out, ~6 mph netagainst the under18%
Team strength & form leans under — mostly the home team15%
Umpire's strike zone has run narrower than the league this past year — fewer called strikesagainst the under9%
Market: First-5-innings Under 3.5 at +103 (pinnacle, quoted 7:30 PM CDT) · model expects ~4.1 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 50.9% of 1,034 out-of-sample grades (2021-2024), -0.5 points over break-even at the close. Not a betting-plan cell.
FIRST 5Frozen B at 8:15 AM CDT · the market came toward our number · final grade C. · the morning pass leaned B; this pass stands down.
TOTALFrozen C at 8:15 AM CDT · the number held.
FIRST 5anchor First-5 Under 3.5 +103 → closed +102 · our way
TOTALanchor Under 7.0 runs +103 → closed +103 · unchanged
SITUATIONAL CONDITIONSdetected for this game · not a grade input — anything that carries weight appears in THE PICTURE
Time-zone spot (playing 2+ zones from home)Heavily used bullpenExtra innings yesterdaySeptember call-up lineup
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. F5 grades ride a shorter history (2023-2025).
Raw grade details (all passes)
[
 {
  "market": "f5_total",
  "pass_kind": "first",
  "graded_utc": "2026-09-17T13:15:21Z",
  "rung": "l1",
  "fit_id": 121,
  "feature_version": 5,
  "model_p": 0.38777083082599834,
  "p_shipped": 0.43830639235992186,
  "model_mu": 3.473538545265134,
  "market_p": 0.47409326424870474,
  "divergence": -0.0863224334227064,
  "band": "B",
  "anchor_line": 4.0,
  "anchor_book": "pinnacle",
  "anchor_fetched_utc": "2026-09-17T13:15:21Z",
  "lineup_known": 0,
  "ump_state": "unknown",
  "weather_kind": "forecast",
  "result": "won",
  "factors": [
   {
    "family": "starters",
    "phrase": "The away starter strikes out 26.6% of batters, adjusted \u2014 a higher strikeout rate than average",
    "share": 0.315,
    "contribution": -0.2459,
    "kind": "driver",
    "features": [
     "a_sp_k_pct_shr",
     "h_sp_velo_dev",
     "h_sp_pitches_30d"
    ]
   },
   {
    "family": "offense",
    "phrase": "The home team below league average in home runs, last 30 games",
    "share": 0.1976,
    "contribution": -0.15421,
    "kind": "driver",
    "features": [
     "h_off_hr30",
     "h_off_xbh30",
     "h_off_k30"
    ]
   },
   {
    "family": "ump",
    "phrase": "No recent umpire zone reading against the league \u2014 graded on league-typical assumptions",
    "share": 0.165,
    "contribution": -0.12879,
    "kind": "gap",
    "features": [
     "ump_rel_miss",
     "ump_acc_rel",
     "ump_bb_dev_sd"
    ]
   },
   {
    "family": "park",
    "phrase": "Wind blowing out, ~6 mph net",
    "share": 0.1619,
    "contribution": 0.12636,
    "kind": "driver",
    "features": [
     "roof_open",
     "wind_out_comp",
     "alt_kft"
    ]
   },
   {
    "family": "strength",
    "phrase": "Team strength & form leans under \u2014 mostly the home team",
    "share": 0.1385,
    "contribution": -0.10811,
    "kind": "driver",
    "features": [
     "a_rs30",
     "h_ra30",
     "a_ra30"
    ]
   },
   {
    "family": "battery",
    "phrase": "The home team's catcher gains extra strikes behind the plate",
    "share": 0.0221,
    "contribution": -0.01722,
    "kind": "driver",
    "features": [
     "h_cat_framing_prior",
     "h_cs30",
     "a_cs30"
    ]
   }
  ]
 },
 {
  "market": "f5_total",
  "pass_kind": "final",
  "graded_utc": "2026-09-18T00:30:21Z",
  "rung": "l1",
  "fit_id": 121,
  "feature_version": 5,
  "model_p": 0.4467480409839753,
  "p_shipped": 0.5095781797330439,
  "model_mu": 4.1305146427395405,
  "market_p": 0.5231958762886597,
  "divergence": -0.07644783530468441,
  "band": "C",
  "anchor_line": 3.5,
  "anchor_book": "pinnacle",
  "anchor_fetched_utc": "2026-09-18T00:30:21Z",
  "lineup_known": 1,
  "ump_state": "confirmed",
  "weather_kind": "forecast",
  "result": "won",
  "factors": [
   {
    "family": "starters",
    "phrase": "The away starter strikes out 26.6% of batters, adjusted \u2014 a higher strikeout rate than average",
    "share": 0.3413,
    "contribution": -0.2459,
    "kind": "driver",
    "features": [
     "a_sp_k_pct_shr",
     "h_sp_velo_dev",
     "h_sp_pitches_30d"
    ]
   },
   {
    "family": "offense",
    "phrase": "The home team below league average in home runs, last 30 games",
    "share": 0.2397,
    "contribution": -0.17267,
    "kind": "driver",
    "features": [
     "h_off_hr30",
     "h_off_xbh30",
     "h_off_k30"
    ]
   },
   {
    "family": "park",
    "phrase": "Wind blowing out, ~6 mph net",
    "share": 0.1818,
    "contribution": 0.13098,
    "kind": "driver",
    "features": [
     "roof_open",
     "wind_out_comp",
     "alt_kft"
    ]
   },
   {
    "family": "strength",
    "phrase": "Team strength & form leans under \u2014 mostly the home team",
    "share": 0.1501,
    "contribution": -0.10811,
    "kind": "driver",
    "features": [
     "a_rs30",
     "h_ra30",
     "a_ra30"
    ]
   },
   {
    "family": "ump",
    "phrase": "Umpire's strike zone has run narrower than the league this past year \u2014 fewer called strikes",
    "share": 0.0871,
    "contribution": 0.06274,
    "kind": "driver",
    "features": [
     "ump_width_rel",
     "ump_acc_rel",
     "ump_bb_dev_sd"
    ]
   }
  ]
 },
 {
  "market": "total",
  "pass_kind": "first",
  "graded_utc": "2026-09-17T13:15:21Z",
  "rung": "l1",
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  "feature_version": 5,
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  "p_shipped": 0.49159586555920065,
  "model_mu": 7.312772368103716,
  "market_p": 0.49095607235142114,
  "divergence": -0.05953725434892493,
  "band": "C",
  "anchor_line": 7.5,
  "anchor_book": "pinnacle",
  "anchor_fetched_utc": "2026-09-17T13:15:21Z",
  "lineup_known": 0,
  "ump_state": "unknown",
  "weather_kind": "forecast",
  "result": "lost",
  "factors": [
   {
    "family": "starters",
    "phrase": "The home starter walks 10.8% of batters, adjusted \u2014 a higher walk rate than average. Priced in, and it went too far \u2014 counts toward the under",
    "share": 0.3264,
    "contribution": -0.25123,
    "kind": "driver",
    "features": [
     "h_sp_bb_pct_shr",
     "h_sp_velo_dev",
     "h_sp_starts_c10"
    ]
   },
   {
    "family": "situational",
    "phrase": "Schedule spot leans over \u2014 mostly the home team",
    "share": 0.1974,
    "contribution": 0.1519,
    "kind": "driver",
    "features": [
     "h_rest0",
     "a_rest0",
     "a_tz2"
    ]
   },
   {
    "family": "offense",
    "phrase": "The home team below league average in home runs, last 30 games",
    "share": 0.1935,
    "contribution": -0.14891,
    "kind": "driver",
    "features": [
     "h_off_hr30",
     "h_off_k30",
     "a_platoon_miss"
    ]
   },
   {
    "family": "strength",
    "phrase": "The away team allowing 5.4 runs a game, last 30 \u2014 above league average. Priced in, and it went too far \u2014 counts toward the under",
    "share": 0.135,
    "contribution": -0.10388,
    "kind": "driver",
    "features": [
     "a_ra30",
     "h_ra30",
     "a_rs30"
    ]
   },
   {
    "family": "ump",
    "phrase": "No umpire zone data \u2014 graded on league-typical assumptions",
    "share": 0.0771,
    "contribution": -0.05936,
    "kind": "gap",
    "features": [
     "ump_zone_miss",
     "ump_gate_miss",
     "ump_acc_asof"
    ]
   },
   {
    "family": "defense",
    "phrase": "Defense leans over \u2014 mostly the away team",
    "share": 0.0706,
    "contribution": 0.05435,
    "kind": "driver",
    "features": [
     "a_err30",
     "h_err30",
     "a_unearned30"
    ]
   }
  ]
 },
 {
  "market": "total",
  "pass_kind": "final",
  "graded_utc": "2026-09-18T00:30:21Z",
  "rung": "l1",
  "fit_id": 117,
  "feature_version": 5,
  "model_p": 0.4676747934439723,
  "p_shipped": 0.5033126727988788,
  "model_mu": 7.98531375510895,
  "market_p": 0.5218508997429305,
  "divergence": -0.05417610629895825,
  "band": "C",
  "anchor_line": 7.0,
  "anchor_book": "pinnacle",
  "anchor_fetched_utc": "2026-09-18T00:30:21Z",
  "lineup_known": 1,
  "ump_state": "confirmed",
  "weather_kind": "forecast",
  "result": "lost",
  "factors": [
   {
    "family": "starters",
    "phrase": "The home starter walks 10.8% of batters, adjusted \u2014 a higher walk rate than average. Priced in, and it went too far \u2014 counts toward the under",
    "share": 0.3386,
    "contribution": -0.25123,
    "kind": "driver",
    "features": [
     "h_sp_bb_pct_shr",
     "h_sp_velo_dev",
     "h_sp_starts_c10"
    ]
   },
   {
    "family": "situational",
    "phrase": "Schedule spot leans over \u2014 mostly the home team",
    "share": 0.2047,
    "contribution": 0.1519,
    "kind": "driver",
    "features": [
     "h_rest0",
     "a_rest0",
     "a_tz2"
    ]
   },
   {
    "family": "offense",
    "phrase": "The home team below league average in home runs, last 30 games",
    "share": 0.2038,
    "contribution": -0.15121,
    "kind": "driver",
    "features": [
     "h_off_hr30",
     "h_off_k30",
     "a_off_xbh30"
    ]
   },
   {
    "family": "strength",
    "phrase": "The away team allowing 5.4 runs a game, last 30 \u2014 above league average. Priced in, and it went too far \u2014 counts toward the under",
    "share": 0.14,
    "contribution": -0.10388,
    "kind": "driver",
    "features": [
     "a_ra30",
     "h_ra30",
     "a_rs30"
    ]
   },
   {
    "family": "ump",
    "phrase": "How often this umpire's calls match the strike zone",
    "share": 0.1129,
    "contribution": 0.08376,
    "kind": "driver",
    "features": [
     "ump_acc_asof",
     "ump_edge_cs_asof",
     "ump_bb_dev_sd"
    ]
   }
  ]
 }
]