John-Z's Overlay · Trifecta ATM

Mon, May 25

Race 5

Clm 30000b

Post: 2:45 · 1.06m · Dirt · $63K 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

Hot pace

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

5 EP — early/presser 2 P — presser 2 S — closer 1 Unclassified

Projected speed

1 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, 4, 10

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

Cost

$6.00

6 combos

Hit prob

1.9%

simulated

Typical payout if hit

$191.31

mean $204.83

Expected ROI

-36.6%

net $-2.20

  • · Most-likely-to-cash structure: 3-horse box on posts [5, 4, 10] — hits 1.9% of simulated runs
  • · At $6 stake, a typical cash pays ≈ $191 (mean $205; 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, 4

B Contenders

10, 9, 2

C Value-edge longshots

6, 3

Other ticket structures (5)
Ticket Cost Hit prob Typical payout ROI
1×3×3 key (top pick) $6.00 1.7% $131.53 -45%
2×4×4 part wheel $12.00 3.4% $176.31 -52%
1×4×4 key (top pick) $12.00 3.2% $131.53 -52%
1×5×5 key (top pick) $20.00 4.8% $197.19 -41%
4-horse box $24.00 6.7% $190.49 -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: 48% · Top 4 cover 1.44 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
5AEPIZZY D'ORO6.0-16.2-181.513%39%·+2%
4AEPJUST A FAIR SHAKE4.0-13.6-181.212%36%-15%
10BPPROTECTIVE15-112-179.612%36%+20%
9BSYELLOW BRICK6.0-17.1-181.111%34%·-3%
2BEPARTHUR'S COURT5.0-16.0-176.010%30%-12%
6CSMAGIC GRANT15-119-178.39%28%+12%
7GUNS AND GLORY6.0-18.9-179.89%28%-9%
1PSTORM THE STREETS3.5-14.2-176.09%27%-30%
3CEPWISH CAREFULLY20-132-174.17%22%+10%
8EPHIGGINSVILLE10-112-174.07%21%·-2%

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 · Mon, May 25 · 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.