John-Z's Overlay · Trifecta ATM

Sat, May 16

Race 5

Clm 30000b

Post: 7:57 · 6f · Dirt · $63K purse · 6 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

6 runners

Hot pace

5 early types pressing for the lead — expect a fast pace, favors closers (P/S).

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

Projected speed

Trifecta shape

Competitive

Model has no clear edge — every ticket structure is steeply negative-EV. Skip, or treat as an entertainment bet and size accordingly.

1×3×3 key (top pick) on posts 4, 5, 6, 3

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

Cost

$6.00

6 combos

Hit prob

7.0%

simulated

Typical payout if hit

$26.32

mean $30.25

Expected ROI

-64.7%

net $-3.88

  • · Most-likely-to-cash structure: 1×3×3 key (top pick) on posts [4, 5, 6, 3] — hits 7.0% of simulated runs
  • · At $6 stake, a typical cash pays ≈ $26 (mean $30; trifecta payoffs are heavy-tailed). Estimated from the public pool, validated against archive payoffs.
  • · Multiple legitimate contenders — model is less concentrated.

A Top picks

4, 5

B Contenders

6, 3, 1

C Value-edge longshots

2

Other ticket structures (5)
Ticket Cost Hit prob Typical payout ROI
3-horse box $6.00 7.1% $25.51 -69%
1×4×4 key (top pick) $12.00 13.1% $31.21 -57%
2×4×4 part wheel $12.00 13.8% $26.15 -66%
1×5×5 key (top pick) $20.00 19.3% $37.85 -45%
A key, B in 2nd, A+B+C in 3rd $24.00 23.1% $35.24 -56%

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: 71% · Top 4 cover 2.13 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
4AEPSHADOW COAST4.0-14.0-180.519%56%·+5%
5AECOLONEL CALIENTE3.5-13.8-182.118%54%·-3%
6BEPTIGER'S LEGACY2.0-12.0-182.817%52%-33%
3BECOOL COWBOY3.0-13.2-181.017%51%-12%
1BESLIDER6.0-15.9-179.015%47%+10%
2CSLEAGUE OF LEGENDS12-116-177.213%41%+21%

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 · Sat, May 16 · 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.