April 8, 2026
Every Machine That Took a Job Created More
A piece on technological revolutions, creative destruction, and what the historical pattern says about AI.
Substack
Writings and market notes
Essays and research notes on macro, finance, geopolitics, and market structure.
April 2, 2026
Google Just Told Us How to Break Bitcoin.
The quantum threat is real, the solutions exist, and Bitcoin's developers are arguing about something else.
March 25, 2026
Portfolio Construction | Antoine Mecker
How to invest intelligently
March 21, 2026
Asset Classes Explained
What you can actually invest in and why it matters
March 19, 2026
How Financial Markets Actually Work
You hear “the markets” every day. Markets are up. Markets are down. Markets are nervous. But what are markets, actually?
March 11, 2026
I Let an AI Agent Run My Market Maker for a Week. Here’s How It Lost Me $2000 | Antoine Mecker
A post-mortem on autonomous trading agents, misplaced trust, and what I’d do differently.