Designing a Broker-Agnostic API Layer in Elixir
Part of Broker Architecture The previous post evaluated the four brokers in this system. This post is about what makes them coexist — the behaviors that
Production Elixir. Real Systems.
Serious Alchemy
Real systems fail in interesting ways. Notes from building one in Elixir.
Latest Writing
The Broker Evaluation Gauntlet: Four Futures APIs Compared
Part of Broker Architecture I've integrated four brokers into the same codebase. Three are still running. One is gone. This is the evaluation
Why I Fired My Broker (and What I Replaced Them With)
Part of the IBKR Saga The question wasn't hard to answer. A stop order is the most basic risk management primitive in trading
When the Broker Lies: Debugging Stop Orders That Silently Fail
Part of the IBKR Saga The Python port was working. Orders were flowing. The system was live on IBKR, trading real capital with real stops,
Building a Python Port in Elixir to Crack IBKR's Encryption
Part of the IBKR Saga The system was built. The supervision tree was running. But without broker authentication, it was an engine with no ignition
The Supervision Tree That Watches the Market While You Sleep
This system has been trading real capital for about eight months. It's been running on a DigitalOcean droplet, unattended, for about five of