Three Books Said 64.3%, 63.1% and 62.0% on the Same Team. Strip the Vig and They Agree to 0.26 Points
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dev.to
I run a visa agency in Bali. The other half of my week goes into Apify Actors, and one of them is an odds feed: pick leagues and dates, get one row per game × market × book, with DraftKings, Pinnacle and the Kalshi prediction market side by side. The question I get asked most about it is some version of "which book is right". The question people should ask first is "are these three numbers even on the same scale". They are not, and the gap is bigger than most of the disagreements you will go hu