solve repeated call for get_object

GET /portfolio/3712/insights/
HTTP 200 OK
Allow: GET, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

[
    {
        "day": "2023-04-27",
        "trades": 9,
        "pl_value_fees": -1832.0
    },
    {
        "day": "2023-05-01",
        "trades": 6,
        "pl_value_fees": 152.0
    },
    {
        "day": "2023-05-03",
        "trades": 2,
        "pl_value_fees": 130.0
    },
    {
        "day": "2023-05-08",
        "trades": 3,
        "pl_value_fees": -128.0
    },
    {
        "day": "2023-05-09",
        "trades": 8,
        "pl_value_fees": -181.0
    },
    {
        "day": "2023-05-10",
        "trades": 4,
        "pl_value_fees": 348.0
    },
    {
        "day": "2023-05-11",
        "trades": 8,
        "pl_value_fees": 12352.0
    },
    {
        "day": "2023-05-12",
        "trades": 4,
        "pl_value_fees": -102.0
    }
]