Pirates
PIT
— vs —
Scheduled
Astros
HOU
Three prices on one chart. Sportsbook, Polymarket, the Posterior model. Watch them converge — and diverge — as the game moves.
Win probability · Pirates @ Astros
$5k vol · Polymarket vol ·
Sportsbook (Pinnacle-led, no-vig)PolymarketPosterior modelsolid Astros · dashed Pirates
§ Polymarket data is read from their public Gamma API as a publicly-available price source. Posterior is independent — not a Polymarket affiliate, not a counterparty, not routing trades there. See /affiliate-disclosure. Below $50k 24h volume, Polymarket's market is too thin to read as signal; those games render the chart with the Polymarket line absent and the sportsbook + model lines only.