John-Z's Overlay · Trifecta ATM

Sat, May 16

Race 6

SirBartonB100k

Post: 1:28 · 1.06m · Dirt · $100K purse · 6 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

6 runners

Hot pace

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

2 E — pure early 3 EP — early/presser 1 S — closer

Projected speed

Trifecta shape

Competitive

Model has no clear edge — every ticket structure is steeply negative-EV. Skip, or treat as an entertainment bet and size accordingly.

3-horse box on posts 4, 3, 5

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

Cost

$6.00

6 combos

Hit prob

12.0%

simulated

Typical payout if hit

$41.55

mean $41.94

Expected ROI

-16.0%

net $-0.96

  • · Most-likely-to-cash structure: 3-horse box on posts [4, 3, 5] — hits 12.0% of simulated runs
  • · At $6 stake, a typical cash pays ≈ $42 (mean $42; trifecta payoffs are heavy-tailed). Estimated from the public pool, validated against archive payoffs.
  • · Multiple legitimate contenders — model is less concentrated.

A Top picks

4

B Contenders

3, 5, 2

C Value-edge longshots

6, 1

Other ticket structures (5)
Ticket Cost Hit prob Typical payout ROI
1×3×3 key (top pick) $6.00 12.3% $15.45 -63%
2×4×4 part wheel $12.00 21.4% $19.67 -54%
A key, B in 2nd, A+B+C in 3rd $12.00 19.7% $19.67 -56%
1×4×4 key (top pick) $12.00 19.9% $19.67 -59%
1×5×5 key (top pick) $20.00 27.4% $22.59 -51%

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: 77% · Top 4 cover 2.30 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
4AEPFINAL STORY2.0-11.6-192.128%71%-14%
3BEPLET'S GO LANDO6.0-16.6-189.919%56%+20%
5BEPFALCON JET10-18.4-187.517%54%+30%
2BSBIG CUDDLE4.5-14.0-185.816%50%·+3%
1CEMINORINCONVENIENCE12-113-186.011%38%+18%
6CEPONT AVEN30-132-183.59%33%+24%
7SCREREAGAN'S HONOR1.4-1

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 6 · Sat, May 16 · Laurel Park. 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.