John-Z's Overlay · Trifecta ATM

Sun, May 24

Race 10

Md 50000

Post: 5:27 · 6f · Dirt · $67K purse · 13 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

13 runners

Contested pace

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

2 E — pure early 3 P — presser 2 S — closer 6 Unclassified

Projected speed

6 of 13 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 3, 1, 2

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

Cost

$6.00

6 combos

Hit prob

4.5%

simulated

Typical payout if hit

$23.83

mean $25.10

Expected ROI

-81.1%

net $-4.87

  • · Most-likely-to-cash structure: 3-horse box on posts [3, 1, 2] — hits 4.5% of simulated runs
  • · At $6 stake, a typical cash pays ≈ $24 (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

3

B Contenders

1, 2, 9

C Value-edge longshots

Other ticket structures (5)
Ticket Cost Hit prob Typical payout ROI
1×3×3 key (top pick) $6.00 4.2% $20.28 -84%
2×4×4 part wheel $12.00 8.1% $22.66 -79%
1×4×4 key (top pick) $12.00 6.1% $20.28 -80%
1×5×5 key (top pick) $20.00 7.9% $22.66 -78%
2×5×5 part wheel $24.00 11.4% $27.17 -74%

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: 58% · Top 4 cover 1.74 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
3APSOLAIA2.0-11.2-175.719%52%-33%
1BEDIAGRAM5.0-15.4-177.716%46%·+4%
2BSSMOKIN HOT STUFF4.0-13.8-175.814%40%-11%
9BPWITH KINDNESS6.0-16.2-174.812%37%·+0%
5SSILVERTOWN20-141-167.36%20%+7%
12ELORIEBETH20-131-166.66%18%+6%
10DONNA STRADA20-141-167.05%16%·+4%
7THE LONG EMBRACE20-132-162.45%15%·+3%
11BALACLAVA15-130-165.94%14%·-2%
6PARMY CHIC20-131-163.84%14%·+2%
8SWEETTALKINGWOMAN12-119-167.04%13%-6%
4SPILL THE SUGAR15-122-157.23%12%·-4%
13GUCCI GAMMY50-168-144.11%4%·-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 10 · Sun, May 24 · 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.