Line Shopping Analytics: I Tracked Odds Across 10 Books and Found Systematic Differences (opens in new tab)

The Hidden Cost of Convenience Most sports bettors place their wagers wherever they happen to have an account. A parlay on the Buccaneers-Saints game gets logged into DraftKings. NBA props slip into FanDuel. An in-game live bet catches the first app they open. It's convenient. It's also expensive. Over the past six months, I systematically tracked identical bets across ten major sportsbooks—DraftKings, FanDuel, BetMGM, Caesars, PointsBet, Draftkings, Bet365, ESPN BET, and two additional regio...