SPX Alpha Engine
Econophysics-driven
volatility surface tools
BOCPD regime detection · GJR-GARCH(1,1) · Quarter-Kelly position sizing · SPX put spread strike selection. All wired into a live signal pipeline running on Railway.
Live Signal
Regime
Confidence
p_changepoint
VIX
GARCH Vol
Last Run
Tools
Parameter Lab
18-slider interactive engine — tune BOCPD, GARCH, sizing, and strikes. Live regime + SPX chart overlays.
Live charts
Live Dashboard
Jinja2 server dashboard — active positions, Greek aggregates, stress test, signal history.
Server-rendered
API Reference
FastAPI auto-docs. /signal/run, /signal/latest, /positions, /risk/current, /lab/deploy.
OpenAPI
Source Code
FastAPI engine, CF Worker gateway, CF Pages lab. Railway + Cloudflare deployment.
GitHub