Get self-parsed analyst rating events

Returns individual analyst rating and price target changes: which firm upgraded, downgraded or maintained a rating on which day, and what the price target moved from and to, one row per event, ordered by date desc, published_at desc. Sourced from news reports; every row carries the firm name firm and a link to the source article source_url, and events missing either are not exposed. Firm level only, with no individual analyst names.

Example request: GET /api/v2/analyst-ratings?ticker=NVDA&from=2026-07-01&to=2026-07-31