Markets · Systems · Constraints

I work with markets, build analytical tools, and write about the structures that drive behavior.

If you read one thing:

On Constraints ↗ — My Substack where I use AI as a thinking partner to examine assumptions, incentives, and market mechanics—without narrative, hype, or ideology.

Latest
Projects
  • market-state-detector ↗ — Detects high-uncertainty market conditions using volatility spikes, price gaps, and wide trading ranges
  • ibkr-borrow-collector ↗ — Tracks short-sale borrow fees for 17,000+ securities across 18 markets every 15 minutes

I build tools for trading and market analysis—infrastructure that serves a practical purpose in my own work. More details at Projects.