Private Tool

NASCAR DFS Sim Engine

Upload a cleaned race_entries CSV, choose a strategy, generate lineups, review exposure, and export for DraftKings.

Select RaceLineup CountSim Candidate PoolSimulator Randomness (20% requested, 10% effective Cash)Cash / Double-Up / H2H: clamped to 5-10% regardless of slider, for safer builds.Strategy PresetContest TypeContest Field SizeContest Profile (Build)Weather VarianceLineup UniquenessUpload CSVRaw DK salary CSV or cleaned race_entries CSV.

Race Profile: Oval / Speedway

No CSV loaded yet.

Drivers Parsed0

Average Salary-

Lineups Built0

Weather Race Key: Select a race

Default max driver exposure % (sim portfolio)Faded driver max exposure % (sim portfolio)Max captain exposure % (sim portfolio)Enable Pair Diversity LogicOnly applies to Small / Large Field GPP profilesPrefer LeverageOnly applies to Small / Large Field GPP profiles