Writing
Markets & Fixed Income
First-principles essays on US Treasuries, the yield curve and trading-desk mechanics.
SubscribeAI, First Principles
Deep dives on AI, agents and machine learning from first principles: the math, the code and the history.
Subscribe4 Oct 2026What Every Production Agent Is Actually Made OfSeven components. No frameworks. Three libraries.AI, First Principles18 Jul 2026Carry and Roll-Down: Why a Right Call Can Still LoseMarkets & Fixed Income14 Jun 2026The Trillion-Dollar Basis TradeMarkets & Fixed Income31 May 2026Yield-to-Maturity Lies to YouMarkets & Fixed Income8 May 2026Cheapest-to-Deliver: The Bond Behind Every Treasury Futures ContractMarkets & Fixed Income22 Apr 2026What Are AI Agents? Just a LoopThe definition, the math, and a working agent in 60 lines of Python.AI, First Principles15 Apr 2026Why You Can’t Compare Treasury Bid-Ask Spreads in Price Terms Across the CurveMarkets & Fixed Income10 Apr 2026The Treasury Bond LifecycleMarkets & Fixed Income5 Apr 2026Every AI Model Is Rooted in a 70-Year-Old PerceptronOne equation. 70 years. 1.8 trillion parameters.AI, First Principles28 Mar 2026Every Bond Comes Home: A Visual Guide to Pull-to-ParMarkets & Fixed Income25 Mar 2026How Claude Gets Smarter the More You Talk to ItContext engineering, not machine learning.AI, First Principles20 Mar 2026The Visual Guide to Yield Curve MovementsMarkets & Fixed Income15 Mar 2026Price Discovery: The Walrasian AuctioneerMarkets & Fixed Income23 Nov 2025How Quantum Computers Calculate FasterA beginner's guide to quantum parallel processing.Random tech16 Nov 2025Why JavaScript Thinks 0.1 + 0.2 = 0.30000000000000004Why it can't do elementary math.Random tech17 Sep 2025Part 2: Microservices: Understanding CouplingThe art of drawing boundaries.Random tech14 Sep 2025Part 1 - Microservices: Command vs EventsRandom tech