Opening Line vs Closing Line Value in Prediction Markets
Opening prices reveal sharp positioning before public money arrives and drowns it out.
Renata Kowalczyk
Contributing Editor
Renata Kowalczyk covers odds movement analysis, betting exchanges and prediction markets for The Event Contract.
6 stories
Opening prices reveal sharp positioning before public money arrives and drowns it out.
Sharp money, public bias, and injury news drive predictable line shifts before kickoff.
Thin order books in niche sports force worse prices and partial fills.
Kalshi is the only US platform where sports traders can actually operate right now.
In-play betting amplifies money flows during scheduled events into unprecedented spikes.
Betting exchanges use order books to set odds through supply and demand, not margins.