solve repeated call for get_object

GET /portfolio/375/insights/
HTTP 200 OK
Allow: GET, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

[
    {
        "day": "2021-10-01",
        "trades": 4,
        "pl_value_fees": -90.0
    },
    {
        "day": "2021-10-04",
        "trades": 6,
        "pl_value_fees": 28.0
    },
    {
        "day": "2021-10-05",
        "trades": 2,
        "pl_value_fees": 52.0
    },
    {
        "day": "2021-10-06",
        "trades": 7,
        "pl_value_fees": 25.0
    },
    {
        "day": "2021-10-07",
        "trades": 5,
        "pl_value_fees": -71.0
    },
    {
        "day": "2021-10-08",
        "trades": 4,
        "pl_value_fees": 32.0
    },
    {
        "day": "2021-10-12",
        "trades": 2,
        "pl_value_fees": 60.0
    },
    {
        "day": "2021-10-13",
        "trades": 1,
        "pl_value_fees": 40.0
    },
    {
        "day": "2021-10-14",
        "trades": 3,
        "pl_value_fees": 25.0
    }
]