Polymarket and Kalshi Dominate as Prediction Market Weekly Volume Rockets Past $2 Billion

Dune Analytics data shows prediction markets are buzzing this week, racking up more than $2 billion in total volume across Myriad, Limitless, Kalshi, and Polymarket — with the latter pair pocketing most of the betting frenzy. Over on Polymarket, open interest shot up to $202 million by Monday, proving that traders aren’t just watching—they’re piling