Podcast:Today, Explained Published On: Tue Mar 17 2026 Description: Prediction markets like Kalshi and Polymarket are making it possible for just about anyone to profit off war. This episode was produced by Hady Mawajdeh, edited by Amina Al-Sadi and Jolie Myers, fact-checked by Andrea López-Cruzado, engineered by Patrick Boyd and David Tatasciore, and hosted by Sean Rameswaram. A betting page on Kalshi about Iran closing the Strait of Hormuz. Photo by Samuel Boivin/NurPhoto via Getty Images. Listen to Today, Explained ad-free by becoming a Vox Member: vox.com/members. New Vox members get $20 off their membership right now. Transcript at vox.com/today-explained-podcast. Learn more about your ad choices. Visit podcastchoices.com/adchoices