Jim O'Shaughnessy | Substack

Jim O'Shaughnessy

Founder/Chairman, OSAM LLC — the leader in Custom Indexing. Author, "What Works on Wall Street". Variance Amplifier. Host https://infiniteloopspodcast.com

6K+ subscribers

By Jim O'Shaughnessy

Arming you with the tools & fresh perspectives required to upgrade your HumanOS and thrive in our messy, probabilistic world.

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