Construction review

Reverse-engineer a winning lineup.

Break down one winning lineup end to end — the score, the payout, where ownership leaned, how the salary was spread, the stack shape, and the duplication risk.

1

We take one real winner

A lineup that actually cashed near the top of a contest, with its real roster and result.

2

We grade the construction

Salary spread, projection, floor/ceiling, ownership sum and geo-mean, and stack shape.

3

You see the dup risk

An empirical estimate of exact duplicates in the field, with confidence flags on thin data.

lineup-review.pngSample
dfsOS Winning Lineup Review card showing salary, ownership, stack shape and dup-risk

Duplication risk, made calculable — no simulator required

We estimate how many exact-lineup duplicates a build draws in a real DraftKings field, backed by historical contest data with transparent calibration-confidence badges. It's the part of winning construction nobody else makes legible.

What the lineup review breaks down

Salary

Salary spread

How the winning build allocated salary across the roster.

Range

Projection & range

Projected points with floor, ceiling, and volatility for the build.

Leverage

Ownership & stack

Ownership sum and geometric mean, plus the stack shape that won.

Dup risk

Expected dups

Empirical duplicate-risk estimate with calibration-confidence badges.

7
DFS sports covered
Nightly
Accuracy published, win or lose
Source-backed
Payouts & contest economics
Demo
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