Stories by Cooper Katz McKim

Cooper Katz McKim

Cooper Katz McKim

Associate Producer, The Indicator from Planet Money

Why catching insider trading is so tricky nowadays, and just how helpful is it for kids to sleep in?
By Cooper Katz McKim

Why catching insider trading is so tricky nowadays, and just how helpful is it for kids to sleep in?

Cooper Katz McKim | May 18, 2026, 10:48 AM UTC
Millions of dollars have been made through eerily well-timed bets on prediction markets like Polymarket. We look at why they're so hard to police. And, a new study that supports kids sleeping in.