Unlock the full potential of rosterOS with a membership.

Includes access to rosterOS ranks and draft overlay tools.

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Draft Smarter with rosterOS Overlay


Elevate your fantasy draft experience with the rosterOS Draft Overlay. Our powerful browser extension delivers real-time insights on stacking, correlation, and player exposure tailored to your tournament. Make informed decisions on the fly, optimize your strategy, and gain a winning edge every time you draft.

Data Points Included:

  • Portfolio Metrics (Can be filtered by Tournament Title)

    • Exposure

    • Your ADP (All-Time AND 14 Day Average)

  • Correlation Metrics

    • Division Correlation

    • Team Correlation

    • Playoff Correlation

    • Week 17 Correlation

An NFL fantasy football player draft list showing player names, teams, positions, and draft ranks, including Bheayshul Tuten, Trevor Lawrence, Dallas Goedert, Jake Ferguson, Romeo Doubs, Quentin Johnston, Isaac Guerendo, Rachaad White, Tyler Allgeier, Michael Penix, and Kyle Pitts.
Football player summary table highlighting team statistics, player stats, and game performance data.
Screenshot of a web interface for rosteroOS Best Ball Overlay, with options to upload a CSV file, toggle overlay, and view correlation and portfolio metrics.

Unlock Rankings with Your Membership

Get exclusive access to insights with your rosterOS membership. No personal rankings? No problem! Instantly tap into rosterOS ranking sets for Underdog, DraftKings, and Drafters. Boost your drafting strategy with trusted, ready-to-use rankings and stay ahead of the competition.


Silhouette of a dog wearing a yellow cape inside a yellow circle with the word 'UNDERDOG' below.
Draftkings Best Ball logo. Bold text reading 'Best Ball' with an orange crown graphic above the word on a black background.
Logo for Drafters with a red, stylized font and a blue star inside a red circle on the letter D.

$5

monthly membership

Unlock best ball draft rankings and exclusive tools with a monthly membership. Stay current with premium ranks for DraftKings, Underdog, and Drafters, plus access to members-only features designed to help you draft smarter and gain a weekly edge.

$50

Annual membership

Unlock best ball draft rankings and exclusive tools with a yearly membership and save money over monthly billing. Get premium ranks for DraftKings, Underdog, and Drafters all season, plus access to members‑only features.