API Reference
DraftLast reviewed 2026-06-23Get daily bond spread history
GET/api/v1/instruments/:id/spread-history
Returns persisted z-spread and g-spread snapshots plus server-side z-score statistics.
Request
Responses
- 200
- 400
- 403
- 404
Spread history returned
Invalid window or unsupported instrument type
Insufficient scope — requires pretrade:read
Instrument not found