John-Z's Overlay · Trifecta ATM

Sun, May 3

Race 9

Hcp75000

Post: 5:07 · 5f · Turf · $75K 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

Hot pace

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

4 E — pure early 3 EP — early/presser 1 P — presser 1 S — closer

Projected speed

Trifecta shape

Wide open

Lottery shape — low hit rates, larger payouts when they cash. Entertainment-only; the model is not confident in any structure.

1×3×3 key (top pick) on posts 3, 1, 2, 9

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

Cost

$6.00

6 combos

Hit prob

2.1%

simulated

Typical payout if hit

$46.70

mean $57.82

Expected ROI

-80.0%

net $-4.80

  • · Most-likely-to-cash structure: 1×3×3 key (top pick) on posts [3, 1, 2, 9] — hits 2.1% of simulated runs
  • · At $6 stake, a typical cash pays ≈ $47 (mean $58; 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, 1

B Contenders

2, 9, 6

C Value-edge longshots

5, 7

Other ticket structures (5)
Ticket Cost Hit prob Typical payout ROI
3-horse box $6.00 2.1% $36.86 -87%
1×4×4 key (top pick) $12.00 4.0% $53.64 -75%
2×4×4 part wheel $12.00 4.0% $43.20 -84%
1×5×5 key (top pick) $20.00 6.4% $60.83 -71%
4-horse box $24.00 8.0% $48.79 -81%

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: 51% · Top 4 cover 1.53 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
3AEPMATTINGLY4.5-13.3-190.214%41%-5%
1AEPGOVERNOR SAM1.8-11.6-189.313%38%-53%
2BEPSOUPER QUEST6.0-14.6-188.513%37%·+1%
9BSOKIRO6.0-15.8-188.912%37%·+0%
6BPSOSUA SUMMER8.0-17.1-186.311%33%·+5%
8EEXTENDO10-18.2-186.611%32%+9%
5CEESPERON20-119-186.09%29%+17%
4ECOPPOLA5.0-16.8-186.69%29%-14%
7CEBEACH COLT20-124-183.47%24%+12%

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 9 · 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.