John-Z's Overlay · Trifecta ATM

Fri, May 29

Race 4

OClm 80000n2x

Post: 2:13 · 1.06m · Dirt · $134K purse · 8 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

8 runners

Contested pace

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

1 E — pure early 3 EP — early/presser 2 P — presser 2 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 8, 3, 1, 2

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

Cost

$6.00

6 combos

Hit prob

3.3%

simulated

Typical payout if hit

$25.30

mean $24.57

Expected ROI

-86.6%

net $-5.20

  • · Most-likely-to-cash structure: 1×3×3 key (top pick) on posts [8, 3, 1, 2] — hits 3.3% of simulated runs
  • · At $6 stake, a typical cash pays ≈ $25 (mean $25; 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

8, 3

B Contenders

1, 2, 4

C Value-edge longshots

5, 6

Other ticket structures (5)
Ticket Cost Hit prob Typical payout ROI
3-horse box $6.00 3.3% $21.16 -88%
1×4×4 key (top pick) $12.00 5.8% $28.60 -83%
2×4×4 part wheel $12.00 6.3% $26.09 -85%
1×5×5 key (top pick) $20.00 8.9% $29.89 -79%
2×5×5 part wheel $24.00 11.3% $28.81 -81%

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: 57% · Top 4 cover 1.71 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
8AEGEWURZTRAMINER2.0-11.9-188.415%45%-40%
3ASBEARINGS3.0-13.5-188.715%43%-21%
1BPGLEN AIRY4.0-14.0-186.415%43%-8%
2BSARISTOTLE5.0-15.9-186.914%41%·-2%
4BEPVAMOS CARLITOS10-111-185.311%35%+12%
5CPDANCE SOME MO15-119-185.511%34%+18%
7EPKING RUSSELL8.0-19.2-183.010%32%·+4%
6CEPB SUDD20-133-182.09%28%+16%

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 4 · 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.