CXone Reporting API: Real-time queue stats returning stale data via OData

GET https://{env}.nicecxone.com/api/v2/analytics/reporting/queue/metrics

I am pulling real-time queue statistics using the v2 Reporting API. The request returns 200 OK, but the waitTime and queueSize fields appear stale compared to the live dashboard.

I am passing interval=realtime in the query string. Is there a specific cache-control header or OData filter required to force a fresh fetch from the live queue state?

Here is the payload structure I receive. Any insights on latency?