John-Z's Overlay · Trifecta ATM

Fri, May 22

Race 3

Clm 20000

Post: 1:43 · 1m · Dirt · $60K purse · 7 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

7 runners

Hot pace

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

1 E — pure early 4 EP — early/presser 2 P — presser

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.

3-horse box on posts 1, 7, 3

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

Cost

$6.00

6 combos

Hit prob

7.6%

simulated

Typical payout if hit

$63.28

mean $67.87

Expected ROI

-14.4%

net $-0.86

  • · Most-likely-to-cash structure: 3-horse box on posts [1, 7, 3] — hits 7.6% of simulated runs
  • · At $6 stake, a typical cash pays ≈ $63 (mean $68; trifecta payoffs are heavy-tailed). Estimated from the public pool, validated against archive payoffs.
  • · Multiple legitimate contenders — model is less concentrated.

A Top picks

1

B Contenders

7, 3, 2

C Value-edge longshots

4, 6

Other ticket structures (5)
Ticket Cost Hit prob Typical payout ROI
1×3×3 key (top pick) $6.00 7.4% $17.93 -66%
1×4×4 key (top pick) $12.00 13.7% $27.96 -54%
A key, B in 2nd, A+B+C in 3rd $12.00 13.3% $27.96 -55%
2×4×4 part wheel $12.00 13.5% $19.61 -65%
1×5×5 key (top pick) $20.00 20.3% $38.49 -44%

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: 68% · Top 4 cover 2.03 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
1AEPARMY OFFICER3.0-12.6-184.225%64%·+0%
7BEPBOURBON'S FAULT3.5-14.1-182.018%52%-5%
3BPC F V BULLET6.0-18.7-182.015%45%+9%
2BEPGREAT ESCAPE2.0-12.1-181.914%42%-43%
6CPTRES SOLES10-112-180.213%41%+18%
4CEPBLOODLINE15-118-178.111%35%+19%
5ETWIRLING TROILLET8.0-17.7-169.16%22%-7%

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 3 · Fri, May 22 · 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.