SPOTTER.
You have to decide based on everything. Here's everything — graded.
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MIA 4 · AZ 3 — how the graded markets landed
FINAL

Miami Marlins @ Arizona Diamondbacks

Thu 9/17 · 8:40 PM CDT · forecast weather in the grade · ump: confirmed
TOTAL · UNDER 9.0 RUNS
C
C cards like this have won 52% under · market 52%
FIRST 5 INNINGS
no lean
model 52% under · market 51%
the letter is how far we sit from the market, not how sure we are
THE PICTURE — what's driving the 7-point gapsized against each other · measured against the line — a stat the market already prices can point opposite its usual read
The away team below league average in extra-base hits, last 30 games34%
The away team allowing 4.9 runs a game, last 30 — above league average. Priced in, and it went too far — counts toward the under24%
Starting pitchers leans under — mostly the home team18%
Schedule spot: getaway day for the away team — day game, then travel12%
Retractable roof — reported closed before first pitchagainst the under10%
Market: Under 9.0 runs at -114 (pinnacle, quoted 7:30 PM CDT) · model expects ~8.7 runs · divergence 7 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 B at 8:15 AM CDT · the market came toward our number · final grade C. · the morning pass leaned B; this pass stands down.
anchor Under 9.0 runs -114 → closed -109 · away
SITUATIONAL CONDITIONSdetected for this game · not a grade input — anything that carries weight appears in THE PICTURE
Getaway day (day game, then travel)Time-zone spot (playing 2+ zones from home)Heavily used bullpenBullpen arms used two straight daysExtra innings yesterday
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.
Raw grade details (all passes)
[
 {
  "market": "f5_total",
  "pass_kind": "first",
  "graded_utc": "2026-09-16T13:15:21Z",
  "rung": "l1",
  "fit_id": 121,
  "feature_version": 5,
  "model_p": 0.44352924272202693,
  "p_shipped": 0.47191869053723384,
  "model_mu": 4.027165426306015,
  "market_p": 0.4896373056994819,
  "divergence": -0.046108062977454956,
  "band": null,
  "anchor_line": 5.0,
  "anchor_book": "pinnacle",
  "anchor_fetched_utc": "2026-09-16T13:15:21Z",
  "lineup_known": 0,
  "ump_state": "projected",
  "weather_kind": "none",
  "result": "lost",
  "factors": [
   {
    "family": "ump",
    "phrase": "Umpire's strike zone has run wider than the league this past year \u2014 more called strikes",
    "share": 0.2728,
    "contribution": -0.08186,
    "kind": "driver",
    "features": [
     "ump_width_rel",
     "ump_edge_cs_rel",
     "ump_bb_dev_sd"
    ]
   },
   {
    "family": "park",
    "phrase": "Retractable roof \u2014 state not known at grade time",
    "share": 0.2054,
    "contribution": 0.06164,
    "kind": "driver",
    "features": [
     "is_retract",
     "alt_kft",
     "wx_miss"
    ]
   },
   {
    "family": "strength",
    "phrase": "Team strength & form leans under \u2014 mostly the away team",
    "share": 0.1809,
    "contribution": -0.05427,
    "kind": "driver",
    "features": [
     "a_rs30",
     "a_ra30",
     "h_rs30"
    ]
   },
   {
    "family": "starters",
    "phrase": "The home starter strikes out 16.3% of batters, adjusted \u2014 a lower strikeout rate than average",
    "share": 0.1224,
    "contribution": 0.03673,
    "kind": "driver",
    "features": [
     "h_sp_k_pct_shr",
     "h_sp_pitches_30d",
     "a_sp_k_pct_shr"
    ]
   },
   {
    "family": "battery",
    "phrase": "No record of strikes gained behind the plate for the away team \u2014 graded on league-typical assumptions",
    "share": 0.1217,
    "contribution": -0.03651,
    "kind": "gap",
    "features": [
     "a_framing_miss",
     "h_cat_framing_prior",
     "h_cs30"
    ]
   },
   {
    "family": "offense",
    "phrase": "Both teams below league average in extra-base hits, last 30 games",
    "share": 0.0968,
    "contribution": -0.02904,
    "kind": "driver",
    "features": [
     "a_off_xbh30",
     "h_off_xbh30",
     "h_off_hr30"
    ]
   }
  ]
 },
 {
  "market": "f5_total",
  "pass_kind": "final",
  "graded_utc": "2026-09-17T00:30:21Z",
  "rung": "l1",
  "fit_id": 121,
  "feature_version": 5,
  "model_p": 0.45076217577080935,
  "p_shipped": 0.4807077867823707,
  "model_mu": 5.086562461574857,
  "market_p": 0.4935400516795866,
  "divergence": -0.04277787590877724,
  "band": null,
  "anchor_line": 5.0,
  "anchor_book": "pinnacle",
  "anchor_fetched_utc": "2026-09-17T00:30:21Z",
  "lineup_known": 1,
  "ump_state": "confirmed",
  "weather_kind": "forecast",
  "result": "lost",
  "factors": [
   {
    "family": "ump",
    "phrase": "Umpire's strike zone has run wider than the league this past year \u2014 more called strikes",
    "share": 0.2713,
    "contribution": -0.08186,
    "kind": "driver",
    "features": [
     "ump_width_rel",
     "ump_edge_cs_rel",
     "ump_bb_dev_sd"
    ]
   },
   {
    "family": "park",
    "phrase": "Retractable roof \u2014 reported closed before first pitch",
    "share": 0.2556,
    "contribution": 0.07712,
    "kind": "driver",
    "features": [
     "is_retract",
     "alt_kft",
     "wind_out_comp"
    ]
   },
   {
    "family": "strength",
    "phrase": "Team strength & form leans under \u2014 mostly the away team",
    "share": 0.1799,
    "contribution": -0.05427,
    "kind": "driver",
    "features": [
     "a_rs30",
     "a_ra30",
     "h_rs30"
    ]
   },
   {
    "family": "starters",
    "phrase": "The home starter strikes out 16.3% of batters, adjusted \u2014 a lower strikeout rate than average",
    "share": 0.1217,
    "contribution": 0.03673,
    "kind": "driver",
    "features": [
     "h_sp_k_pct_shr",
     "h_sp_pitches_30d",
     "a_sp_k_pct_shr"
    ]
   },
   {
    "family": "battery",
    "phrase": "No 2025 record of strikes gained behind the plate for the away catcher \u2014 graded at league average",
    "share": 0.121,
    "contribution": -0.03651,
    "kind": "gap",
    "features": [
     "a_framing_miss",
     "h_cat_framing_prior",
     "h_cs30"
    ]
   },
   {
    "family": "offense",
    "phrase": "Both teams below league average in extra-base hits, last 30 games",
    "share": 0.0505,
    "contribution": -0.01525,
    "kind": "driver",
    "features": [
     "a_off_xbh30",
     "h_off_xbh30",
     "h_off_hr30"
    ]
   }
  ]
 },
 {
  "market": "total",
  "pass_kind": "first",
  "graded_utc": "2026-09-16T13:15:21Z",
  "rung": "l1",
  "fit_id": 117,
  "feature_version": 5,
  "model_p": 0.38685372702987963,
  "p_shipped": 0.4880922927500671,
  "model_mu": 7.250149216393318,
  "market_p": 0.47557840616966585,
  "divergence": -0.08872467913978621,
  "band": "B",
  "anchor_line": 9.0,
  "anchor_book": "pinnacle",
  "anchor_fetched_utc": "2026-09-16T13:15:21Z",
  "lineup_known": 0,
  "ump_state": "projected",
  "weather_kind": "none",
  "result": "won",
  "factors": [
   {
    "family": "offense",
    "phrase": "The away team below league average in extra-base hits, last 30 games",
    "share": 0.3258,
    "contribution": -0.12074,
    "kind": "driver",
    "features": [
     "a_off_xbh30",
     "a_platoon_miss",
     "h_off_hr30"
    ]
   },
   {
    "family": "strength",
    "phrase": "The away team allowing 4.9 runs a game, last 30 \u2014 above league average. Priced in, and it went too far \u2014 counts toward the under",
    "share": 0.2044,
    "contribution": -0.07575,
    "kind": "driver",
    "features": [
     "a_ra30",
     "a_rs30",
     "h_ra30"
    ]
   },
   {
    "family": "starters",
    "phrase": "Starting pitchers leans under \u2014 mostly the home team",
    "share": 0.1551,
    "contribution": -0.0575,
    "kind": "driver",
    "features": [
     "h_sp_k_pct_shr",
     "h_sp_bb_pct_shr",
     "h_sp_starts_c10"
    ]
   },
   {
    "family": "park",
    "phrase": "No wind reading \u2014 graded on league-typical assumptions",
    "share": 0.1318,
    "contribution": -0.04884,
    "kind": "gap",
    "features": [
     "wind_miss",
     "is_retract",
     "park_f5_asof"
    ]
   },
   {
    "family": "situational",
    "phrase": "Schedule spot: getaway day for the away team \u2014 day game, then travel",
    "share": 0.1032,
    "contribution": -0.03826,
    "kind": "driver",
    "features": [
     "h_rest0",
     "a_rest0",
     "a_getaway"
    ]
   },
   {
    "family": "bullpen",
    "phrase": "Bullpen leans under \u2014 mostly the home team",
    "share": 0.0797,
    "contribution": -0.02956,
    "kind": "driver",
    "features": [
     "a_bp_b2b",
     "a_bp_apps_3d",
     "a_bp_pitches_3d"
    ]
   }
  ]
 },
 {
  "market": "total",
  "pass_kind": "final",
  "graded_utc": "2026-09-17T00:30:21Z",
  "rung": "l1",
  "fit_id": 117,
  "feature_version": 5,
  "model_p": 0.40966204263535577,
  "p_shipped": 0.486256526728833,
  "model_mu": 8.739367473701131,
  "market_p": 0.4832904884318767,
  "divergence": -0.07362844579652095,
  "band": "C",
  "anchor_line": 9.0,
  "anchor_book": "pinnacle",
  "anchor_fetched_utc": "2026-09-17T00:30:21Z",
  "lineup_known": 1,
  "ump_state": "confirmed",
  "weather_kind": "forecast",
  "result": "won",
  "factors": [
   {
    "family": "offense",
    "phrase": "The away team below league average in extra-base hits, last 30 games",
    "share": 0.344,
    "contribution": -0.10706,
    "kind": "driver",
    "features": [
     "a_off_xbh30",
     "h_off_hr30",
     "h_off_k30"
    ]
   },
   {
    "family": "strength",
    "phrase": "The away team allowing 4.9 runs a game, last 30 \u2014 above league average. Priced in, and it went too far \u2014 counts toward the under",
    "share": 0.2434,
    "contribution": -0.07575,
    "kind": "driver",
    "features": [
     "a_ra30",
     "a_rs30",
     "h_ra30"
    ]
   },
   {
    "family": "starters",
    "phrase": "Starting pitchers leans under \u2014 mostly the home team",
    "share": 0.1848,
    "contribution": -0.0575,
    "kind": "driver",
    "features": [
     "h_sp_k_pct_shr",
     "h_sp_bb_pct_shr",
     "h_sp_starts_c10"
    ]
   },
   {
    "family": "situational",
    "phrase": "Schedule spot: getaway day for the away team \u2014 day game, then travel",
    "share": 0.1229,
    "contribution": -0.03826,
    "kind": "driver",
    "features": [
     "h_rest0",
     "a_rest0",
     "a_getaway"
    ]
   },
   {
    "family": "park",
    "phrase": "Retractable roof \u2014 reported closed before first pitch",
    "share": 0.105,
    "contribution": 0.03267,
    "kind": "driver",
    "features": [
     "is_retract",
     "park_f5_asof",
     "alt_kft"
    ]
   }
  ]
 }
]