John-Z's Overlay · Trifecta ATM

Thu, Apr 30

Race 4

Md 50000

Post: 2:18 · 1.06m · Turf · $67K purse · 64 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

64 runners

Hot pace

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

8 E — pure early 8 EP — early/presser 12 P — presser 12 S — closer 24 Unclassified

Projected speed

24 of 64 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 8

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

Cost

$1.00

1 combos

Hit prob

0.0%

simulated

Typical payout if hit

$0.00

mean $0.00

Expected ROI

-100.0%

net $-1.00

  • · Most-likely-to-cash structure: 3-horse box on posts [8] — hits 0.0% of simulated runs
  • · At $1 stake, a typical cash pays ≈ $0 (mean $0; 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

8, 8

B Contenders

8, 8, 11

C Value-edge longshots

Other ticket structures (3)
Ticket Cost Hit prob Typical payout ROI
4-horse box $1.00 0.0% $0.00 -100%
5-horse box $4.00 0.0% $0.00 -100%
6-horse box $7.00 0.0% $0.00 -100%

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: 13% · Top 4 cover 0.39 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
8BTHEORETICAL4.5-14.8-175.93%10%-37%
8BTHEORETICAL4.5-14.9-175.73%10%-37%
8BTHEORETICAL4.5-14.9-175.73%10%-37%
8BTHEORETICAL4.5-14.9-175.73%10%-37%
11BSPLOT3.5-13.4-174.43%8%-49%
11BSPLOT3.5-13.5-174.13%8%-49%
11BSPLOT3.5-13.5-174.13%8%-49%
11BSPLOT3.5-13.5-174.13%8%-49%
12EBREAKING HEARTS5.0-15.5-172.52%7%-35%
12EBREAKING HEARTS5.0-15.5-172.52%7%-35%
12EBREAKING HEARTS5.0-15.5-172.52%7%-35%
12EBREAKING HEARTS5.0-15.7-172.72%7%-35%
4EPLEXICO6.0-19.0-171.32%6%-30%
4EPLEXICO6.0-19.0-171.42%6%-30%
4EPLEXICO6.0-19.0-171.42%6%-30%
4EPLEXICO6.0-19.0-171.42%6%-30%
13ENGLISH HARBOUR4.5-14.8-167.32%6%-41%
3DEVICES8.0-17.0-169.32%6%-23%
3DEVICES8.0-17.0-169.32%6%-23%
3DEVICES8.0-17.0-169.32%6%-23%
13ENGLISH HARBOUR4.5-14.3-167.22%5%-41%
13ENGLISH HARBOUR4.5-14.3-167.22%5%-41%
13ENGLISH HARBOUR4.5-14.3-167.22%5%-41%
3DEVICES8.0-17.9-168.42%5%-23%
15WELLA12-119-170.92%5%-15%
15WELLA12-119-170.82%5%-15%
15WELLA12-119-170.82%5%-15%
15WELLA12-119-170.82%5%-15%
10PLADY FAYE10-115-168.82%5%-19%
10PLADY FAYE10-115-168.82%5%-19%
10PLADY FAYE10-115-168.82%5%-19%
10PLADY FAYE10-115-168.42%5%-19%
14EKEY ACTRESS8.0-18.8-165.11%4%-24%
14EKEY ACTRESS8.0-18.8-165.11%4%-24%
14EKEY ACTRESS8.0-18.8-165.11%4%-24%
1PHARDLY READY10-112-164.61%4%-19%
2PFIGURINE15-131-169.41%4%-12%
2PFIGURINE15-131-169.41%4%-12%
2PFIGURINE15-131-169.41%4%-12%
2PFIGURINE15-131-168.61%4%-12%
1PHARDLY READY10-114-163.91%4%-19%
1PHARDLY READY10-114-163.91%4%-19%
1PHARDLY READY10-114-163.91%4%-19%
14EKEY ACTRESS8.0-110-164.91%4%-25%
6PLAY ON PLAYER15-132-166.91%4%-12%
6PLAY ON PLAYER15-131-166.71%3%-12%
6PLAY ON PLAYER15-131-166.71%3%-12%
6PLAY ON PLAYER15-131-166.71%3%-12%
5EPMODERN ESCAPE30-176-162.71%3%-6%
5EPMODERN ESCAPE30-176-162.71%3%-6%
5EPMODERN ESCAPE30-176-162.71%3%-6%
5EPMODERN ESCAPE30-176-162.71%3%-6%
9SOCEAN RIPPLE20-145-159.51%2%-10%
9SOCEAN RIPPLE20-145-159.41%2%-10%
9SOCEAN RIPPLE20-145-159.41%2%-10%
9SOCEAN RIPPLE20-145-159.41%2%-10%
7MOTHER LODE20-152-155.91%2%-10%
7MOTHER LODE20-153-156.11%2%-10%
7MOTHER LODE20-153-156.11%2%-10%
7MOTHER LODE20-153-156.11%2%-10%
16SARGENTINIDAD50-186-153.10%1%·-4%
16SARGENTINIDAD50-186-153.10%1%·-4%
16SARGENTINIDAD50-186-153.10%1%·-4%
16SARGENTINIDAD50-186-153.10%1%·-4%

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 · Thu, Apr 30 · Churchill Downs. Powered by Claude Opus 4.7.

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