John-Z's Overlay · Trifecta ATM

Sat, May 16

Race 8

Md 50000

Post: 4:47 · 1.06m · Turf · $48K purse · 11 runners

New — Ask Claude Opus about this race Why a horse rates the way it does, what the trifecta ticket means, where the public might be wrong.

Pace shape

11 runners

Unprojectable

6 of 11 runners have no BRIS run-style code (likely first-time starters) — pace shape can't be called.

1 EP — early/presser 2 P — presser 2 S — closer 6 Unclassified

Projected speed

6 of 11 runners have no BRIS run-style code (often first-time starters); narrative may understate the true pace.

Trifecta shape

Wide open

Lottery shape — low hit rates, larger payouts when they cash. Entertainment-only; the model is not confident in any structure.

1×3×3 key (top pick) on posts 9, 3, 10, 7

The model's most-likely-to-cash structure (informational — not a bet recommendation).

Cost

$6.00

6 combos

Hit prob

4.0%

simulated

Typical payout if hit

$85.44

mean $110.65

Expected ROI

-26.9%

net $-1.62

  • · Most-likely-to-cash structure: 1×3×3 key (top pick) on posts [9, 3, 10, 7] — hits 4.0% of simulated runs
  • · At $6 stake, a typical cash pays ≈ $85 (mean $111; trifecta payoffs are heavy-tailed). Estimated from the public pool, validated against archive payoffs.
  • · Wide-open shape — anyone could hit; longshots have room.

A Top picks

9, 3

B Contenders

10, 7, 2

C Value-edge longshots

Other ticket structures (5)
Ticket Cost Hit prob Typical payout ROI
3-horse box $6.00 4.6% $82.56 -38%
2×4×4 part wheel $12.00 7.8% $84.65 -29%
1×4×4 key (top pick) $12.00 6.4% $85.44 -31%
4-horse box $24.00 13.5% $96.24 -20%
2×5×5 part wheel $24.00 12.7% $85.44 -33%

Hit prob is the model's per-race PL distribution. "Typical payout" is the median cash, weighted by the public pool's odds (not the model's own picks) and calibrated to actual historical trifecta payoffs — so it reflects what the tote really pays, not the model's disagreement. Walk-forward backtests show pari-mutuel takeout (~16-26%) is too steep to consistently clear at this data scale — these are tipsheet outputs, not bet recommendations.

Top-4 ITM concentration: 58% · Top 4 cover 1.73 of the 3.00 expected ITM finishers

Field

Click any horse name for the per-horse breakdown (last-10-races chart, SHAP feature contributions, full PP table).

PP Horse ML Pred Close Pred Fig Win ITM% Edge
9APNIGHT JASMINE2.5-12.9-171.319%52%-21%
3AATHENA'S FURY3.0-12.7-169.418%51%-13%
10BENTERPRISINGLY8.0-19.6-169.213%38%+9%
7BSSKY LOW LOW8.0-112-167.811%33%·+4%
2BVALIANT DIVA6.0-110-165.69%27%-9%
1PROCKET ROBIN6.0-17.3-163.98%27%-10%
8SADDAGIRL ADDIE12-119-166.16%19%·-0%
4SPEED WALKING10-116-160.85%17%-6%
5NOT TAPPING8.0-18.1-157.14%14%-14%
6TWO CLICKS15-126-156.53%11%·-4%
11EPHIP HOP DANCER3.0-15.7-158.83%11%-52%

Sort the table by clicking column headers. Edge = our predicted ITM% minus the public-implied ITM% (live odds when present, ML otherwise); green ▲ ≥ +5pp, red ▼ ≤ −5pp. See How to Use for the math.

Ask Claude Opus

Questions about the model's predictions for Race 8 · Sat, May 16 · Belmont at The Big A. Powered by Claude Opus 4.7.

Ask anything about the field, the trifecta ticket, or why the model rates a horse the way it does.

Limited to 30 questions per day per visitor. Answers are model-generated and may be incorrect — not betting advice.