journal
Field Notes
Irregular writing from the team. Build decisions, module deep-dives, market rationale, post-mortems on losing weeks, architecture sketches. No roadmap theatre. No growth-hacking listicles.
Introducing harpy
An editorial on why a local, auditable, subscription-priced trading terminal is overdue — and what we decided to build instead.
read the piece→Harpy FAQ — what it is, how it works, what it costs
Direct answers to the questions operators actually ask before installing Harpy: pricing, broker connections, data residency, jurisdictions, paper mode, and the Claude Code dependency.
8 min read →How the terminal works
A plain-language tour of Harpy’s operating model: the scheduler, the scanner, the dashboard, and the strategy documents that tie it together.
6 min read →Coming soon — run Harpy on your own local model
A planned Harpy feature: point every module at a model running on your own machine instead of a hosted API. What operators get, what the hardware ask is, and the honest trade-offs.
5 min read →Harpy Trade — US equities
Autonomous stock scanner + position monitor. Alpaca paper by default, live on confirmation. Regime awareness, rollover discipline, full trade journal.
5 min read →Harpy Crypto — 24/7 alt research
A deliberately quieter cadence than equities. ETF flows, on-chain signals, fear-greed extremes. Paper-first with real Kraken pricing.
5 min read →Harpy Polymarket — on-chain events
Cross-market arb engine and event scanner. Latency arbitrage on crypto binaries, AI-scanned event markets with deep research. No paper mode.
5 min read →Local-first vs cloud-hosted trading terminals — a 2026 comparison
A point-by-point comparison of running a trading agent on your own machine versus subscribing to a hosted SaaS terminal. Latency, cost, data residency, key custody, and what each model is structurally good and bad at.
8 min read →Harpy Kalshi — regulated events
Multivariate basket arb across political, economic, weather, and sports contracts. CFTC-regulated. US-only. RSA-authenticated.
5 min read →Harpy Horses — turf overlays
Overlay scanner for UK / IRE / AU horse racing. Class, form, speed figures, trainer-jockey stats, track bias. Free mode runs on Betfair alone.
6 min read →How to install Harpy on Windows — first-cycle setup guide
A step-by-step walkthrough of installing a Harpy module on Windows 10 or 11: prerequisites, the setup wizard, the first cycle, and the green-dot dashboard check.
6 min read →Harpy Greyhounds — dog-track overlays
Trap draw × running style × sectional analysis for UK / IRE / AU / NZ dogs. Fully functional on free data — GBGB + IGB + Betfair + GRV.
6 min read →Harpy Paper — all-access sandbox
Every module unlocked, paper mode only. The preview installer for operators deciding which of the live surfaces to commit to.
3 min read →