Get informational index values on a specific date
Informational Index
Index As Of Date
Returns EWMA-smoothed index values for a specific historical date
GET
Get informational index values on a specific date
Example
Hopper (US) informational index as of a specific date (resolves to the latest value on or before that date):Authorizations
Bearer authentication header of the form Bearer <token>, where <token> is your auth token.
Query Parameters
Target date (YYYY-MM-DD). Example: 2025-06-15
Index name: hopper, blackwell
Region group: US, EU