CEX funding rate fetchers

DEX spot price fetchers

DEX-CEIX basis/spread calculation

Arbitrage opportunity scanner

funding_engine

PostgreSQL client

Parquet/Arrow-based local store

Periodic persistence of raw data + computed signals

data_store

Axum / Actix-web

Serve: current funding rates

Serve: historical APYs

Serve: top arbitrage paths

api_server

Export funding spread

Export yield curve

Export basis trend

Export to CSV / API

signal_exporter

JACK Factor Models/AI Training

User/Client