Retrieve historical daily closing values for any NGX market index.
from and to date parameters, or omit them to receive the full available history.
Each data point is a date/value pair you can plot directly without transformation. This endpoint requires a Starter plan or higher.Pass your API key as a Bearer token: Authorization: Bearer ngm_live_YOUR_KEY.
Generate keys at ngnmarket.com/dashboard/developer.
Index symbol (e.g. NGX30). Case-insensitive.
"NGX30"
Start date in YYYY-MM-DD format (inclusive).
"2026-01-01"
End date in YYYY-MM-DD format (inclusive). Defaults to today.
"2026-04-17"