John-Z's Overlay · Trifecta ATM

Sun, May 24

Race 5

Md 30000

Post: 2:46 · 1.06m · Dirt · $57K purse · 10 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

10 runners

Contested pace

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

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

Projected speed

2 of 10 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.

3-horse box on posts 5, 9, 3

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

Cost

$6.00

6 combos

Hit prob

3.4%

simulated

Typical payout if hit

$99.65

mean $102.60

Expected ROI

-42.3%

net $-2.54

  • · Most-likely-to-cash structure: 3-horse box on posts [5, 9, 3] — hits 3.4% of simulated runs
  • · At $6 stake, a typical cash pays ≈ $100 (mean $103; 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

5

B Contenders

9, 3, 10

C Value-edge longshots

1

Other ticket structures (5)
Ticket Cost Hit prob Typical payout ROI
1×3×3 key (top pick) $6.00 3.5% $50.15 -70%
A key, B in 2nd, A+B+C in 3rd $9.00 5.0% $50.15 -63%
1×4×4 key (top pick) $12.00 6.3% $57.42 -59%
2×4×4 part wheel $12.00 6.0% $57.42 -63%
2×5×5 part wheel $24.00 10.4% $78.22 -51%

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: 55% · Top 4 cover 1.64 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
5AENYQUISTADOR2.5-11.6-181.523%59%-14%
9BSLASTING LEGACY10-19.2-173.913%39%+16%
3BSCIRCUIT BREAKER6.0-16.3-171.411%33%·-3%
10BPPRIVATE SHOW4.0-14.1-171.811%33%-18%
1CEPGLOBALIST15-121-169.59%28%+12%
7DON'S LAST RIDE4.5-14.1-165.09%28%-19%
8PSURFIN' M6.0-19.1-168.38%26%-10%
4PTREGETOUR12-118-168.28%24%·+5%
6PSTOIC SAGE20-136-165.76%19%+7%
2PAY HEED20-131-159.53%11%·-1%

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 5 · Sun, May 24 · Churchill Downs. 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.