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Algorithmically optimized lineups across 5 sports. Trusted by 400,000+ players since 2016.
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Powered by stat-api. The data behind every lineup.
RotoQL's NFL projections and ownership come from stat-api: projections anchored to sharp betting markets, with a full outcome range and an ownership read for each player. Here is the depth behind them.
- DraftKings & FanDuel slates, back to 2016
- 49,496
- real contest lineups audited
- 218M+
- ownership error (MAE), held-out tested
- 1.75%
- outcome percentiles per NFL main-slate player
- 9
Figures as published by stat-api on stat-api.com.
// One player, every dimension
Jahmyr Gibbs
RB · DET vs NO · $8,000 · Pass-Catching Back
p05 6.7 · p10 8.3 · p15 9.6 · p50 17.8 · p85 32.3 · p90 36.2 · p95 40.9
Opponent defensive front injuries (Cameron Jordan) improve rushing efficiency.
Sample row published by stat-api · DraftKings Main · 2026 Week 1 · snapshot Sep 10, 2026
View on stat-api.comWhat goes into every projection
- Sharp betting markets
Anchored to de-vigged lines. Implied totals and player props set the baseline.
- Next Gen Stats
Separation, air yards, YAC, CPOE, time to throw, rushing yards over expected.
- Every snap since 2020
Play-by-play with personnel, route participation, pace and pass rate over expected.
- Scheme-level matchups
10+ player archetypes weighed against shadow corners, secondary injuries and pressure.
- Injury cascades
Practice tags redistribute targets and touches down the depth chart automatically.
- Stadium wind vectors
Wind speed and direction against each stadium’s orientation. Domes and roofs detected.
- Box scores that add up
Receiving yards sum to passing yards, carries to team attempts. No impossible lineups.
- Explainable updates
Every projection move is logged with its delta, a reason code and a plain-English note.
How RotoQL puts it to work
Projected ownership sets every badge, Mega Chalk to Deep Fade, with cutoffs tuned by position.
Flip to Cash and RotoQL swaps in cash-game ownership. GPP mode reads tournament ownership.
The p15 floor and p85 ceiling sit beside each projection, and ride along in the CSV export.
A new GPP/CASH tool is here.
Pick your contest size and the optimizer builds for it. Five presets set upside and dispersion together. A 50/50 and a 100,000-entry GPP now get different lineups.
Play Profiles on every player, a cash and GPP switch that re-prices the whole app, ownership badges, bring-back stacks, stadium weather, and 10,000 simulations per slate.
What you get for free
A free slate every day
One free slate of each style — Classic and Showdown — per sport & site
Full toolset
Lineup optimizer, locks & excludes, saved lineups
Real simulations
10,000-game Monte Carlo projections with floor & ceiling
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One Platform. Five Sports.
Built for Serious Players
Professional-grade tools for every aspect of DFS.
Lineup Optimizer
Mathematically optimal lineups using advanced algorithms. Salary cap optimization, player stacking, and exposure management built in.
Player Research
Deep player stats, defense vs. position rankings, trends, and matchup data to inform every decision.
Projection Management
Import custom projections from multiple sources, edit inline, and blend data to build your edge.
Multi-Lineup Generation
Generate 150+ unique lineups with diversity controls. Bulk export directly to DraftKings and FanDuel.
Multi-Site Support
Optimize for DraftKings, FanDuel, Yahoo, and SuperDraft — all from one platform.
Exposure Controls
Set min/max exposure per player across your lineup pool. Fine-tune risk and diversification.
How It Works
Choose Your Sport & Site
Select from NFL, NBA, MLB, NHL, or Golf on DraftKings, FanDuel, Yahoo, or SuperDraft.
Set Projections & Constraints
Import or customize projections, lock/exclude players, and configure stacking rules.
Generate Optimal Lineups
Our optimizer builds mathematically optimal lineups ready to export directly to your DFS site.
Nine years of data. One optimized lineup.
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