solve repeated call for get_object

GET /portfolio/471/insights/
HTTP 200 OK
Allow: GET, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

[
    {
        "day": "2022-05-23",
        "trades": 126,
        "pl_value_fees": 295.0
    },
    {
        "day": "2022-05-30",
        "trades": 57,
        "pl_value_fees": 48.0
    },
    {
        "day": "2022-06-23",
        "trades": 16,
        "pl_value_fees": 43.0
    }
]