Renata Kowalczyk

Data structure and policy choices matter far more than headline latency claims.

Sportsbooks profit not by picking winners, but by balancing action on both sides of every bet.

States are building 39 different rulebooks as public opinion sours on sports betting.

Two platforms share the name, but only Polymarket US is legal for American traders—for now.

Beating the closing line signals skill, but the close isn't gospel.

Sharps, public money, and breaking news each leave distinct fingerprints on NFL betting odds.

Thin order books in niche sports create wider spreads and bigger slippage costs.

Kalshi is the only US-legal exchange where American sports traders can actually operate today.

Major events compress a year of betting into hours, straining the systems underneath.

Betting exchanges use order books to discover odds, not margins.