John Oliver on Prediction Markets and Polymarket
LastWeekTonight · Commentary · 33 min · 2026 · YouTube title: Prediction Markets: Last Week Tonight with John Oliver (HBO)
Why it's here
HN cites it in prediction-market threads as an accessible critical overview, including the Polymarket CEO's remarks on insider trading.
What it covers
John Oliver's Last Week Tonight segment examines prediction markets such as Polymarket: the legal and moral questions, weak regulation, and insider trading and manipulation concerns.