solve repeated call for get_object

GET /portfolio/1898/insights/
HTTP 200 OK
Allow: GET, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

[
    {
        "day": "2023-02-09",
        "trades": 1,
        "pl_value_fees": 4.0
    },
    {
        "day": "2023-04-03",
        "trades": 6,
        "pl_value_fees": 1.0
    },
    {
        "day": "2023-04-04",
        "trades": 1,
        "pl_value_fees": 1.0
    },
    {
        "day": "2023-04-05",
        "trades": 7,
        "pl_value_fees": -2.0
    },
    {
        "day": "2023-05-30",
        "trades": 3,
        "pl_value_fees": -19.0
    },
    {
        "day": "2023-11-01",
        "trades": 5,
        "pl_value_fees": 1.0
    },
    {
        "day": "2023-11-02",
        "trades": 3,
        "pl_value_fees": 13.0
    },
    {
        "day": "2023-11-03",
        "trades": 4,
        "pl_value_fees": 1.0
    },
    {
        "day": "2023-11-06",
        "trades": 3,
        "pl_value_fees": 17.0
    },
    {
        "day": "2023-11-07",
        "trades": 4,
        "pl_value_fees": 10.0
    },
    {
        "day": "2023-11-09",
        "trades": 3,
        "pl_value_fees": 10.0
    },
    {
        "day": "2023-11-13",
        "trades": 6,
        "pl_value_fees": 3.0
    }
]