# Price (single)

Endpoints that operate on a specific price observation by ID.

## Endpoints

PATCH /v3/prices/:id
  Update an existing price's `value` (only `value` is mutable; `date`
  is fixed).

DELETE /v3/prices/:id
  Delete a specific price observation.

## Path params

  id (required) — Price identifier (the `id` field on each entry in
                  GET /v3/instruments/:id/prices).

The price data model is documented under
`aleta api --spec /v3/instruments/:id/prices`.