John-Z's Overlay · Trifecta ATM

Sat, May 16

Race 7

Md 50000

Post: 4:19 · 6f · Turf · $48K purse · 12 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

12 runners

Contested pace

4 early types — pace should be honest but not crazy. No strong style bias.

4 E — pure early 2 P — presser 1 S — closer 5 Unclassified

Projected speed

5 of 12 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 12, 3, 9, 10

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

Cost

$6.00

6 combos

Hit prob

4.2%

simulated

Typical payout if hit

$31.16

mean $51.25

Expected ROI

-64.2%

net $-3.85

  • · Most-likely-to-cash structure: 1×3×3 key (top pick) on posts [12, 3, 9, 10] — hits 4.2% of simulated runs
  • · At $6 stake, a typical cash pays ≈ $31 (mean $51; 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

12, 3

B Contenders

9, 10, 8

C Value-edge longshots

Other ticket structures (5)
Ticket Cost Hit prob Typical payout ROI
3-horse box $6.00 5.5% $31.16 -71%
2×4×4 part wheel $12.00 8.2% $32.88 -64%
1×4×4 key (top pick) $12.00 6.3% $61.64 -66%
1×5×5 key (top pick) $20.00 8.5% $65.97 -63%
4-horse box $24.00 14.1% $35.11 -62%

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 1.74 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
12APRICHIES LOVE2.0-11.8-173.819%52%-33%
3APPEYTON2.5-12.1-174.719%52%-21%
9BEMYKONOS3.0-13.3-172.314%41%-23%
10BKEEP 'EM HONEST6.0-18.2-172.410%30%-6%
8BEUNTIL LAST CALL5.0-17.1-167.77%23%-19%
4WAR ANTHEM8.0-113-169.86%21%-8%
1EYE ON THE BALL10-111-164.46%19%·-4%
6BEAU CHEVAL6.0-19.4-163.26%18%-18%
7SLOBBYIST8.0-112-165.15%16%-12%
11EBOOTSY'S A RASCAL10-115-162.23%12%-12%
2ECALVARY HILL12-120-158.83%9%-11%
5TONY HOOKS20-157-157.62%8%·-4%

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 7 · 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.