The new partnership will allow Substack users to integrate Polymarket's prediction data directly into their content.

Journalism is better when it’s backed by live markets,” Polymarket’s X account said in a post announcing the deal.

Substack, which was founded as a newsletter platform, is trying to make itself an alternative to Twitter by adding social features to its publishing site. On Nov. 3, the platform launched a chat ...

Like clockwork, every Wednesday morning, Russ Thornton, an Atlanta-based advisor who specializes in helping women with retirement planning, publishes a financial newsletter called “Wealthcare for ...

The Republican former president's essay centered on first leader George Washington, from his "humility" to slavery links.

Substack on Thursday announced the launch of its Creator Accelerator Fund, which provides a $20 million funding guarantee aimed at helping creators grow their audience and move their paid subscribers ...

Substack Inc. today launched Notes, a platform where Substack creators can interact with subscribers and where the entire experience looks very much like Twitter. The differences are only in the ...