solve repeated call for get_object

GET /portfolio/493/insights/
HTTP 200 OK
Allow: GET, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

[
    {
        "day": "2022-07-20",
        "trades": 1,
        "pl_value_fees": 133.0
    },
    {
        "day": "2022-07-21",
        "trades": 2,
        "pl_value_fees": -49.0
    },
    {
        "day": "2022-07-23",
        "trades": 12,
        "pl_value_fees": 959.0
    },
    {
        "day": "2022-07-24",
        "trades": 2,
        "pl_value_fees": 236.0
    },
    {
        "day": "2022-07-26",
        "trades": 2,
        "pl_value_fees": 125.0
    },
    {
        "day": "2022-07-27",
        "trades": 1,
        "pl_value_fees": 150.0
    },
    {
        "day": "2022-07-29",
        "trades": 5,
        "pl_value_fees": 309.0
    },
    {
        "day": "2022-07-30",
        "trades": 6,
        "pl_value_fees": 594.0
    },
    {
        "day": "2022-08-02",
        "trades": 4,
        "pl_value_fees": 237.0
    },
    {
        "day": "2022-08-08",
        "trades": 6,
        "pl_value_fees": 484.0
    },
    {
        "day": "2022-08-09",
        "trades": 3,
        "pl_value_fees": 50.0
    },
    {
        "day": "2022-08-16",
        "trades": 3,
        "pl_value_fees": 99.0
    },
    {
        "day": "2022-08-17",
        "trades": 2,
        "pl_value_fees": 40.0
    }
]