John-Z's Overlay · Trifecta ATM

Sat, May 16

Race 11

Md Sp Wt

Post: 6:16 · 1.06m · Turf · $80K purse · 13 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

13 runners

Contested pace

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

2 E — pure early 1 EP — early/presser 3 P — presser 4 S — closer 3 Unclassified

Projected speed

3 of 13 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 6, 8, 5, 9

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

Cost

$6.00

6 combos

Hit prob

0.9%

simulated

Typical payout if hit

$322.20

mean $400.58

Expected ROI

-37.5%

net $-2.25

  • · Most-likely-to-cash structure: 1×3×3 key (top pick) on posts [6, 8, 5, 9] — hits 0.9% of simulated runs
  • · At $6 stake, a typical cash pays ≈ $322 (mean $401; 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

6, 8

B Contenders

5, 9, 10

C Value-edge longshots

Other ticket structures (5)
Ticket Cost Hit prob Typical payout ROI
3-horse box $6.00 0.9% $322.20 -49%
1×4×4 key (top pick) $12.00 2.0% $307.61 -28%
2×4×4 part wheel $12.00 1.9% $299.27 -48%
4-horse box $24.00 3.7% $322.20 -40%
2×5×5 part wheel $24.00 3.9% $275.13 -47%

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: 41% · Top 4 cover 1.23 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
6AEMOTIONLYAVAILBLE6.0-16.6-172.011%32%·-4%
8ASSLEEP WALKING2.5-12.6-171.010%30%-43%
5BSNOWUCME NOWUDONT8.0-19.5-172.610%30%·+2%
9BPNAGUILE8.0-17.8-172.910%30%·+2%
10BSOHONTE'S OWN6.0-17.0-172.010%30%-6%
12BARGAIN PURCHASE1.8-12.0-170.310%28%-63%
11ETWIRLING LAD8.0-111-171.19%26%·-2%
1START THE DAY15-130-170.56%18%·+2%
4EQBITS12-117-164.16%17%·-2%
13EPPOPPY'S TICKET3.0-15.0-165.55%16%-48%
3PLEAVE ME6.0-17.3-166.15%16%-21%
2PRONS LEGACY12-124-165.45%15%·-4%
7SUNCLE BARRIE50-193-163.83%10%+5%

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 11 · 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.