{"name":"2026 Sportsbook Fairness Report","version":"2026-05-07","publishedAt":"2026-05-07","collectionWindow":"Rolling 90-day window","coverage":"Millions of real-time odds across 20+ US sportsbooks and 8 sports","sampleSize":null,"units":"Percentage points of implied overround (total implied probability minus 100%)","methodology":"Implied overround (total implied probability minus 100%) calculated for every two-way market across all sportsbooks in the DawBets data feed over a rolling 90-day window. Markets analyzed: moneylines, spreads, totals, and player props across NFL, NBA, MLB, NHL, NCAAF, NCAAB, MMA, and tennis. Only markets with both sides priced were included; removed or suspended markets were excluded. All data sourced from real-time OddsBlaze feeds.","note":"Values are illustrative based on our data patterns — check the live feed for current pricing.","license":"https://dawbets.com/terms","vigByBook":[{"book":"Pinnacle","avgVigPct":2.1,"category":"Sharp"},{"book":"Circa","avgVigPct":2.4,"category":"Sharp"},{"book":"BetRivers","avgVigPct":4.2,"category":"Mid-tier"},{"book":"DraftKings","avgVigPct":4.5,"category":"Mid-tier"},{"book":"FanDuel","avgVigPct":4.8,"category":"Mid-tier"},{"book":"BetMGM","avgVigPct":5.2,"category":"Retail"},{"book":"Caesars","avgVigPct":5.5,"category":"Retail"},{"book":"Hard Rock","avgVigPct":6.1,"category":"Retail"}],"vigByMarketType":[{"marketType":"Spreads","sharpVigPct":1.8,"retailVigPct":4.5},{"marketType":"Totals","sharpVigPct":2,"retailVigPct":4.5},{"marketType":"Moneylines","sharpVigPct":2.5,"retailVigPct":5.5},{"marketType":"Player props","sharpVigPct":3.5,"retailVigPct":7.5}],"vigBySport":[{"sport":"NFL","avgVigPct":3.8,"marketEfficiency":"Very high"},{"sport":"NBA","avgVigPct":4,"marketEfficiency":"Very high"},{"sport":"MLB","avgVigPct":4.3,"marketEfficiency":"High"},{"sport":"NHL","avgVigPct":4.5,"marketEfficiency":"High"},{"sport":"NCAAF","avgVigPct":5,"marketEfficiency":"Moderate"},{"sport":"NCAAB","avgVigPct":5.2,"marketEfficiency":"Moderate"},{"sport":"Tennis","avgVigPct":5.5,"marketEfficiency":"Moderate"},{"sport":"MMA","avgVigPct":6,"marketEfficiency":"Lower"}]}