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The Meb Faber Show · Friday, July 17, 2026

Carson Block: Short Selling is Not Scalable, Faces Mental Health Challenges

Carson Block, founder of Muddy Waters Research, stated that the activist short-selling model is not scalable due to the pace of change. He also shared that short sellers face higher rates of depression and mental illness compared to other investors, a situation he believes is both a cause and effect of the profession.

personCarson BlockpersonJim ChanoscompanyMuddy Waters Research

The tape

4 quotes
The dirty secret of the activist short-selling model is that it's not scalable.
Carson Block
We're not as humans going to be able to keep up with the pace of change.
Carson Block
And you know, it's actually Jim Chanos, I think that said to me several years ago that there's a higher rate of depression and mental illness among short sellers than among other professional investors.
Carson Block
And I think that's both cause and effect of being a short seller.
Carson Block
Heard on The Meb Faber Show — “Muddy Waters’ Carson Block on How AI Could Unwind the S&P 500 | #640, published Friday, July 17, 2026. Heardvine summarizes and quotes with attribution and timestamps, and links to the original everywhere.
Transcribed via Gemini audio transcription · $0.06
Carson Block: Short Selling is Not Scalable, Faces Mental Health Challenges — Heardvine