John-Z's Overlay · Trifecta ATM

Sat, May 23

Race 10

Alw 50000s

Post: 5:28 · 1m · Dirt · $83K purse · 8 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

8 runners

Hot pace

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

3 E — pure early 2 EP — early/presser 2 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 2, 3, 5, 7

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

Cost

$6.00

6 combos

Hit prob

4.3%

simulated

Typical payout if hit

$14.87

mean $15.84

Expected ROI

-88.5%

net $-5.31

  • · Most-likely-to-cash structure: 1×3×3 key (top pick) on posts [2, 3, 5, 7] — hits 4.3% of simulated runs
  • · At $6 stake, a typical cash pays ≈ $15 (mean $16; 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

2

B Contenders

3, 5, 7

C Value-edge longshots

4, 8

Other ticket structures (5)
Ticket Cost Hit prob Typical payout ROI
3-horse box $6.00 4.3% $14.37 -89%
A key, B in 2nd, A+B+C in 3rd $12.00 6.9% $14.87 -84%
1×4×4 key (top pick) $12.00 7.9% $18.21 -86%
2×4×4 part wheel $12.00 7.9% $14.87 -87%
1×5×5 key (top pick) $20.00 12.2% $23.14 -83%

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: 59% · Top 4 cover 1.78 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
2AEGETHSEMANE1.4-11.1-182.720%54%-46%
3BSHIGHLY CONNECTED3.0-13.2-180.416%46%-18%
5BENON CONFORMING4.5-14.8-175.713%39%-7%
7BEPC MCGRIFF6.0-16.9-176.913%38%·+2%
6PKID TWIST8.0-111-176.211%35%+6%
1EKOKOMO JOE10-114-176.011%34%+11%
4CEPJUST LIKE MAX20-133-174.410%32%+19%
8CPMOUNTAIN WOLF30-154-170.37%21%+13%

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 10 · Sat, May 23 · Churchill Downs. 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.