John-Z's Overlay · Trifecta ATM

Sat, May 16

Race 4

OClm 55000n1x

Post: 2:40 · 6f · Turf · $88K purse · 11 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

11 runners

Hot pace

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

2 E — pure early 4 EP — early/presser 4 P — presser 1 Unclassified

Projected speed

1 of 11 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 10, 8, 4

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

Cost

$6.00

6 combos

Hit prob

2.0%

simulated

Typical payout if hit

$182.55

mean $183.97

Expected ROI

-38.6%

net $-2.31

  • · Most-likely-to-cash structure: 3-horse box on posts [10, 8, 4] — hits 2.0% of simulated runs
  • · At $6 stake, a typical cash pays ≈ $183 (mean $184; 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

10

B Contenders

8, 4, 9

C Value-edge longshots

Other ticket structures (5)
Ticket Cost Hit prob Typical payout ROI
1×3×3 key (top pick) $6.00 2.1% $114.25 -56%
1×4×4 key (top pick) $12.00 4.1% $138.91 -48%
2×4×4 part wheel $12.00 3.9% $126.43 -56%
1×5×5 key (top pick) $20.00 6.1% $157.24 -34%
2×5×5 part wheel $24.00 7.3% $140.62 -49%

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: 49% · Top 4 cover 1.46 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
10AEPSHEER WILL4.0-13.3-183.316%45%-6%
8BEBOURBON BETTY5.0-14.6-182.512%36%-7%
4BPSOLOSHOT3.0-13.6-182.611%32%-31%
9BEROMANTIC DANCER1.8-12.2-183.111%32%-59%
5PSHORE WAR5.0-15.7-180.310%31%-11%
3PWILL NOT BE SWAYED12-116-182.09%27%+7%
6EPMADONNA OF LORETO8.0-17.6-178.78%25%·-4%
1EPSADIE EARP3.5-13.5-176.97%23%-34%
7PSHE'S GOT WILL4.5-15.8-177.77%21%-25%
11EPMILA CANDY8.0-19.9-175.36%18%-10%
2COACH ALBERT LADY8.0-111-171.33%9%-19%

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 · Sat, May 16 · 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.