Remember When Rising Margin Debt Concerned Fundstrat’s Tom Lee?
Doug Kass
on
October 20, 2026
Much like politicians, the narratives from the “Permas” always change …. to fit the view.
BREAKING: US margin debt jumped +$26 billion in September, to $1.48 trillion, the 2nd-highest level on record.
— The Kobeissi Letter (@KobeissiLetter) October 19, 2026
Since the start of 2026, margin debt has surged +$255 billion, or +21%.
As a % of GDP, this metric is up to a record 4.5%, surpassing the previous peak of 3.6% set in… pic.twitter.com/4RNfyulpE1
Position: None
- Category: Daily Diary
Posted by Doug Kass
Doug Kass is a world-renowned hedge fund manager with decades of experience and success navigating through some of the most turbulent periods in market history. He is known for his time-tested analytical skills and ability to look past the current noise and herd mentality. On TheStreet Pro, Kass provides frequent market commentary and investing ideas for active investors throughout each trading day in Doug’s Daily Diary. He also serves as president of Seabreeze Partners Management Inc. Previously, he served as a senior manager at Omega Advisors, a $6 billion investment partnership. He co-authored a book with Ralph Nader and the Center for the Study of Responsive Law called “Citibank: The Ralph Nader Report” and can be found as a guest host on CNBC's "Squawk Box." A Note from Doug: Current strategies and actionable trade ideas -- all on one dynamic platform built exclusively for active trades. From sudden sell-offs to sudden spikes, TheStreet Pro arms you with crucial analysis -- at a rapid fire, professional pace -- to help you make sound trading decisions -- every day, every hour, and every minute. Join me and my team of professional traders for unique perspectives and breakthrough investment opportunities.