solve repeated call for get_object

GET /portfolio/2161/insights/
HTTP 200 OK
Allow: GET, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

[
    {
        "day": "2023-03-07",
        "trades": 2,
        "pl_value_fees": 0.0
    },
    {
        "day": "2023-04-10",
        "trades": 1,
        "pl_value_fees": 0.0
    }
]