John-Z's Overlay · Trifecta ATM

Sun, May 3

Race 4

Clm 55000b

Post: 2:42 · 1m · Dirt · $60K 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

Contested pace

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

1 E — pure early 2 EP — early/presser 2 P — 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 3, 5, 2

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

Cost

$6.00

6 combos

Hit prob

10.5%

simulated

Typical payout if hit

$13.51

mean $19.27

Expected ROI

-66.1%

net $-3.97

  • · Most-likely-to-cash structure: 3-horse box on posts [3, 5, 2] — hits 10.6% of simulated runs
  • · At $6 stake, a typical cash pays ≈ $14 (mean $19; trifecta payoffs are heavy-tailed). Estimated from the public pool, validated against archive payoffs.
  • · Multiple legitimate contenders — model is less concentrated.

A Top picks

3

B Contenders

5, 2, 7

C Value-edge longshots

6

Other ticket structures (5)
Ticket Cost Hit prob Typical payout ROI
1×3×3 key (top pick) $6.00 10.2% $13.51 -74%
A key, B in 2nd, A+B+C in 3rd $9.00 14.3% $15.00 -72%
2×4×4 part wheel $12.00 17.3% $15.00 -69%
1×4×4 key (top pick) $12.00 18.6% $13.51 -76%
1×5×5 key (top pick) $20.00 28.6% $17.75 -73%

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: 73% · Top 4 cover 2.18 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
3APKINETIC1.4-11.1-188.529%72%-28%
5BEPCELESTIAL GLAZE4.0-15.2-181.317%53%·+2%
2BEGEORGIA MAGIC6.0-17.6-185.016%50%+14%
7BPAPALTA8.0-18.4-180.513%42%+14%
4SCURVINO6.0-17.1-181.013%42%+6%
6CEPDREAMBUILDER12-112-182.812%40%+21%
1SCRSSIGNATOR4.5-1

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 4 · Sun, May 3 · Belmont at The Big A. 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.