Prop bet

Pondering my orb. | Image: Cath Virginia / The Verge, Getty Images

Substack has updated its partnership with betting platform Polymarket, "introducing native tools that make it easier to share, discuss, and debate prediction market data directly on Substack." Additionally, Polymarket will effectively pay "a cohort of creators," including Matt Yglesias, to use its data though the newsletter platform's pilot sponsorships program.

This is just the latest foray of prediction markets into media.