John-Z's Overlay · Trifecta ATM

Sun, May 3

Race 5

Clm 8000n2l

Post: 2:57 · 1.04m · Dirt · $27K purse · 7 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

7 runners

Contested pace

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

4 EP — early/presser 3 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 2, 3, 6

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

Cost

$6.00

6 combos

Hit prob

7.2%

simulated

Typical payout if hit

$25.16

mean $26.46

Expected ROI

-68.3%

net $-4.10

  • · Most-likely-to-cash structure: 3-horse box on posts [2, 3, 6] — hits 7.2% of simulated runs
  • · At $6 stake, a typical cash pays ≈ $25 (mean $26; trifecta payoffs are heavy-tailed). Estimated from the public pool, validated against archive payoffs.
  • · Multiple legitimate contenders — model is less concentrated.

A Top picks

2, 3

B Contenders

6, 8, 1

C Value-edge longshots

4

Other ticket structures (5)
Ticket Cost Hit prob Typical payout ROI
1×3×3 key (top pick) $6.00 6.4% $26.66 -71%
2×4×4 part wheel $12.00 13.1% $30.34 -63%
1×4×4 key (top pick) $12.00 12.2% $22.40 -75%
4-horse box $24.00 24.5% $35.44 -56%
1×5×5 key (top pick) $20.00 17.1% $26.66 -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: 69% · Top 4 cover 2.06 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
2AEPSWAMP FOX2.5-12.3-173.719%54%-19%
3ASLOMAX6.0-15.5-173.619%54%+17%
6BEPMESSAGE OF HOPE8.0-17.2-176.018%52%+23%
8BEPEXCUSES10-19.9-171.515%47%+24%
1BEPCOMPLEXED6.0-16.1-171.315%46%+10%
4CSMEGA DON12-114-168.811%35%+15%
7SLAIRD OF MAGNOLIA20-139-158.04%13%·+1%
5SCREHILLBILLY BOB1.6-1

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 5 · Sun, May 3 · Gulfstream 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.