Mithrandir Metrics
TB 2026-10-15 Refreshed Oct 15 06:00 AM ET
Section III · Betting · Player detail · 2026-10-15

Chandler Simpson

TB · Hitter · bats L · age 26
IN · 5 Negative regression Neutral
MatchupTB vs CLEGavin Williams
Sample--career MLB AB
PROPS 3 available PERCENTILES 17 rows LINEUPS confirmed artifact NO PROSE templated rows only
Home Runs · Palantir calibration review Last 14d ECE 0.047, 14d error rising. This flags probability calibration, not a blanket model failure.
Home Runs · Fangorn calibration review Last 14d ECE 0.039, 14d error rising. This flags probability calibration, not a blanket model failure.
Home Runs · Valinor calibration review Last 14d ECE 0.034, 14d error rising. This flags probability calibration, not a blanket model failure.
Total Bases · Palantir calibration review Last 14d ECE 0.089, 14d error rising. This flags probability calibration, not a blanket model failure.
Tonight's props · all markets for this player
Home Run 0.5
P 4.5
F 0.1
V 10.3
Model 2.5% Market 8.0% Gap -5.5pp
BetMGM 1150 tracking Open board
Total Bases 0.5
P 63.6
F -- in progress
V -- in progress
INSUFFICIENT LANES
Model 78.0% Market 79.0% Gap +15.3pp
BetMGM -375 tracking Open board
Hits 0.5
P 2.0
F -- in progress
V -- in progress
INSUFFICIENT LANES
Model 2.0% Market -- Gap +1.8pp
FanDuel 8000 tracking Open board
RBI --
RBI · no production board

No production board publishes this player-market cell today.

Underlying skill · actual percentile with projection tick

Percentile strip

100th = best in MLB
Hitting · percentile strip
Barrel%0.0%
1
Exit velocity80.7
3
Hard-hit%14.1%
1
xBA0.285
17
xSLG0.325
3
xwOBA0.263
15
BB%4.0%
8
Bat speed60.9
1
K%7.8%
100
Defense · percentile strip
Arm Runs-4.4 · LF
2
Arm Strength96.1 · LF
67
Outs Above Avg8.0 · LF
97
Range Runs7.4 · LF
92
Baserunning · percentile strip
Base Running Runs8.1 · LF
99
Bolts122.0 · LF
100
SB Success Rate79.5% · LF
46
Sprint Speed29.4 · LF
94

Context

projection · regression · matchup
Projected range0.284 to 0.339
RegressionNegative · -0.075
Opposing pitcherGavin Williams
EnvironmentNeutral
Lane calibration receipts
Lane Health 2026-10-15
Palantir 22410 props Brier 0.118 ECE 0.004 14d error rising
Fangorn 22410 props Brier 0.118 ECE 0.005 14d error rising
Valinor 16722 props Brier 0.115 ECE 0.002 14d error rising
Palantir 2000 props Brier 0.248 ECE 0.010 sample building
Fangorn 53 props Brier 0.257 ECE 0.119 sample building
Valinor 1496 props Brier 0.248 ECE 0.010 sample building
Palantir 10880 props Brier 0.238 ECE 0.042 14d error rising
Fangorn tracking in progress (0 logged)
Valinor tracking in progress (0 logged)
Palantir 866 props Brier 0.169 ECE 0.039 sample building
Fangorn tracking in progress (0 logged)
Valinor tracking in progress (0 logged)
Palantir 1106 props Brier 0.255 ECE 0.052 sample building
Fangorn tracking in progress (0 logged)
Valinor tracking in progress (0 logged)
Palantir tracking in progress (0 logged)
Fangorn tracking in progress (0 logged)
Valinor tracking in progress (0 logged)