How to De-Vig FanDuel Lines

Strip the margin from FanDuel odds to find fair probabilities for NFL, NBA, and more.

De-Vig Calculator FanDuel · CFTC Regulated

Why This Matters

FanDuel is known for offering some of the sharpest main-market lines among US recreational sportsbooks, but their alternate lines and props still carry meaningful vig. De-vigging FanDuel helps you identify which of their lines actually represent good value.

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Step-by-Step: De-Vig Calculator on FanDuel

1
Find the FanDuel market you want to analyze. Note both sides of the odds.
2
Enter the odds into the De-Vig Calculator in American format.
3
Compare results across de-vig methods — multiplicative for standard markets, Shin for multi-way.
4
Check the overround percentage — FanDuel main markets typically run 3-5%.
5
Use the de-vigged probabilities as inputs for the EV Calculator to size your bets.

Worked Example

FanDuel NBA total: Over 221.5 (-108) / Under 221.5 (-112). Multiplicative de-vig: Over 48.0% / Under 52.0%. Total margin: 3.9% — tighter than DraftKings on this market. FanDuel's pricing suggests they see this as a close call slightly favoring the under.

FanDuel Fee Summary

Fee model: $0.01+ per contract per side (CME exchange fee + FanDuel markup)

Formula: $0.01 CME Globex fee per contract per side; FanDuel markup not publicly disclosed

Timing: Charged at time of trade

Pro Tips

★FanDuel's main market lines are often within 1% of Pinnacle — focus de-vigging efforts on their props and alternates.
★FanDuel sometimes offers boosted odds on featured parlays — de-vig the underlying legs to check if the boost actually creates +EV.
★Track de-vigged lines over time to identify FanDuel's tendency to shade specific sports or market types.

Related Guides

How to De-Vig DraftKings Lines

Remove the vig from DraftKings odds to find true probabilities and identify value bets.

FanDuel Odds Converter — Convert Any FanDuel Line

Convert FanDuel American odds to decimal, fractional, and implied probability. Compare FanDuel lines across formats.

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