John-Z's Overlay · Trifecta ATM

Sat, Jun 6

Race 8

TruNrth-G3

Post: 3:25 · 6.5f · Dirt · $400K 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).

5 EP — early/presser 1 P — presser

Projected speed

Trifecta shape

Tight

Highest hit-rate tier — best chance to cash a small ticket. Still negative-EV after takeout, but the model has a read.

1×3×3 key (top pick) on posts 6, 3, 2, 8

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

Cost

$6.00

6 combos

Hit prob

19.0%

simulated

Typical payout if hit

$8.91

mean $13.34

Expected ROI

-57.8%

net $-3.47

  • · Most-likely-to-cash structure: 1×3×3 key (top pick) on posts [6, 3, 2, 8] — hits 19.0% of simulated runs
  • · At $6 stake, a typical cash pays ≈ $9 (mean $13; trifecta payoffs are heavy-tailed). Estimated from the public pool, validated against archive payoffs.
  • · Top 4 cover the ITM math — chalk should hit; payouts likely small.

A Top picks

6

B Contenders

3, 2, 8

C Value-edge longshots

5, 4

Other ticket structures (5)
Ticket Cost Hit prob Typical payout ROI
3-horse box $6.00 33.1% $7.00 -61%
1×4×4 key (top pick) $12.00 26.7% $8.91 -51%
A key, B in 2nd, A+B+C in 3rd $12.00 26.1% $8.91 -52%
2×4×4 part wheel $12.00 35.2% $7.00 -64%
1×5×5 key (top pick) $20.00 31.7% $8.91 -47%

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: 84% · Top 4 cover 2.52 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
6AEPBOOK'EM DANNO2.0-11.7-198.032%80%·-5%
3BEPBENTORNATO1.6-11.2-195.826%74%-24%
2BPIMAGINATION4.0-13.7-199.622%68%+17%
8BEPILLUMINARE10-111-190.98%29%+6%
5CEPFAUST15-118-188.58%29%+13%
4CEPLISTENUPSHANCE30-143-186.75%19%+11%
1SCREACOUSTIC AVE30-1
7SCRPBE YOU12-1
9SCRSPENTATHLON12-1

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 8 · Sat, Jun 6 · Saratoga. 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.

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