John-Z's Overlay · Trifecta ATM

Fri, May 15

Race 6

OClm 80000n2x

Post: 3:18 · 1.38m · 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

Contested pace

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

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

Projected speed

1 of 9 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.

1×4×4 key (top pick) on posts 8, 9, 6, 7, 5

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

Cost

$12.00

12 combos

Hit prob

3.4%

simulated

Typical payout if hit

$557.90

mean $647.66

Expected ROI

+84.8%

net $10.18

  • · Most-likely-to-cash structure: 1×4×4 key (top pick) on posts [8, 9, 6, 7, 5] — hits 3.4% of simulated runs
  • · At $12 stake, a typical cash pays ≈ $558 (mean $648; 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, 9

B Contenders

6, 7, 5

C Value-edge longshots

Other ticket structures (5)
Ticket Cost Hit prob Typical payout ROI
1×5×5 key (top pick) $20.00 5.5% $480.23 +50%
4-horse box $24.00 6.6% $451.03 +34%
1×3×3 key (top pick) $6.00 1.7% $832.48 +116%
2×4×4 part wheel $12.00 3.3% $497.94 +41%
3-horse box $6.00 1.7% $497.94 +46%

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: 49% · Top 4 cover 1.46 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
8ASMASSARAT20-120-187.813%38%+25%
9APONTARIO5.0-14.8-187.213%37%-6%
6BPSOL D'ORO8.0-16.1-186.712%36%+7%
7BPUNMERITED FAVOR10-19.6-187.512%36%+12%
5BEPSTRONG DESTINY4.5-14.5-187.212%35%-11%
2PHEREFORAGOODTIME3.0-13.9-185.411%32%-31%
4EBEFRIENDED4.0-15.4-186.410%32%-19%
1EPCAVIAR BREAKFAST6.0-17.2-184.39%28%-8%
3CENIZA PAMPA10-112-183.19%27%·+4%

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 6 · Fri, May 15 · 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.