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Wealthion · Tuesday, September 1, 2026

David Rosenberg: Margin Debt Soared 50% to $1.5 Trillion, Signaling a Potential Bubble

David Rosenberg highlights a significant surge in margin debt, which increased by 50% in the past year to $1.5 trillion. He likens this to a bubble, stating that 'every bubble pops' and suggests this could be a surprise factor heading into the fourth quarter, with the labor market being a key area to watch.

personDavid Rosenberg

The tape

2 quotes
I I don't mind calling it a bubble. Every bubble pops. Margin debt is soared 50% in the past year to $1 and half trillion dollars.
David Rosenberg
What is going to be the surprise heading into the fourth quarter of the year? Maggie is going to be the labor market.
David Rosenberg
Heard on Wealthion — “David Rosenberg: “Every Bubble Pops” — Markets Aren’t Ready, published Tuesday, September 1, 2026. Heardvine summarizes and quotes with attribution and timestamps, and links to the original everywhere.
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David Rosenberg: Margin Debt Soared 50% to $1.5 Trillion, Signaling a Potential Bubble — Heardvine