Podcast:The Indicator from Planet Money Published On: Tue Aug 11 2026 Description: The total amount of investors using margin aka borrowing money to help pay for a trade is at an all time high of over $1.5 trillion. Is this something we should worry about? We spoke to Jurrien Tinner at Fidelity Investments. Note: Jurrien Timmer's views are his own and not representative of Fidelity. Fact checking by Sierra Juarez.Your Next Listen — How AI might mess with financial marketsConnect with The Indicator — Sign up for The Indicator’s weekly newsletter!— Buy the Planet Money book— Find our socials, YouTube and more!— For sponsor-free episodes, subscribe to NPR+ Support public media with NPR+ and enjoy perks for over 25 podcasts like this one. This show’s perks include sponsor-free listening. Learn more at plus.npr.org.See pcm.adswizz.com for information about our collection and use of personal data for sponsorship and to manage your podcast sponsorship preferences.NPR Privacy Policy