Purpose
The risk engine calculates mark and Greeks data used across Joyride market responses:- mark price
- mark IV
- mark source
- quote age
- spread quality
- delta, gamma, vega, theta, and rho
HTTP endpoints
Risk outputs are exposed through the public exchange API (https://joyride.exchange/api).
GET /v1/market/greeks
Returns Greeks for every tracked instrument.
GET /v1/market/greeks/{id}
Returns Greeks for a single instrument.
GET /health
Service health check:
Important fields
Mark source values
The
mark_source field is important for downstream trust decisions. The SDK exposes it directly.