Tick-to-Trade in Elixir: A GenServer handle_info Pipeline
A previous post traced the macroscopic shape of the system — five flows, five trust questions. This one traces the path. One tick arrives over a
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Designing Data Flow in an Elixir Trading System
An automated trading system makes hundreds of decisions a day on data it didn't generate. Ticks arrive from a broker. Orders go to
GenServer State Management in Elixir: A Production Order Book
One GenServer holds open positions, pending orders, strategy state, portfolio risk, and contract rolls — for a system trading real capital. This post is a tour
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