John-Z's Overlay · Trifecta ATM

Fri, May 29

Race 7

OClm 80000n2x

Post: 3:50 · 5.5f · Turf · $134K purse · 9 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

9 runners

Hot pace

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

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

Projected speed

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 4, 8, 7, 5

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

Cost

$6.00

6 combos

Hit prob

4.8%

simulated

Typical payout if hit

$27.91

mean $30.64

Expected ROI

-75.5%

net $-4.53

  • · Most-likely-to-cash structure: 1×3×3 key (top pick) on posts [4, 8, 7, 5] — hits 4.8% of simulated runs
  • · At $6 stake, a typical cash pays ≈ $28 (mean $31; 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

4, 8

B Contenders

7, 5, 1

C Value-edge longshots

10, 3

Other ticket structures (5)
Ticket Cost Hit prob Typical payout ROI
3-horse box $6.00 4.7% $29.53 -76%
2×4×4 part wheel $12.00 9.0% $33.92 -72%
1×4×4 key (top pick) $12.00 8.2% $27.91 -79%
1×5×5 key (top pick) $20.00 11.1% $29.53 -74%
4-horse box $24.00 17.2% $33.51 -72%

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: 61% · Top 4 cover 1.84 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
4AECLOE3.5-12.5-188.318%51%-5%
8APJUSTINQUESO6.0-15.3-187.016%46%+10%
7BEITZEL3.0-13.3-186.615%43%-20%
5BSSATIN BLUE5.0-15.0-185.615%43%·+1%
1BEPFANCY CABER NEIGH4.0-14.5-183.911%34%-17%
10CEPTEMPTING EVE20-136-178.98%26%+14%
2EPHIGH FASHION KATE15-125-179.57%23%+7%
6PJUNTA20-150-174.55%17%·+5%
3CEPSTORMY PARADISE30-156-172.95%16%+8%
9SCREPSHE'Z THE LAW10-1

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 7 · Fri, May 29 · 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.