solve repeated call for get_object

GET /portfolio/2004/insights/
HTTP 200 OK
Allow: GET, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

[
    {
        "day": "2023-02-01",
        "trades": 2,
        "pl_value_fees": -6.0
    },
    {
        "day": "2023-02-02",
        "trades": 1,
        "pl_value_fees": -172.0
    },
    {
        "day": "2023-02-03",
        "trades": 1,
        "pl_value_fees": 77.0
    },
    {
        "day": "2023-02-06",
        "trades": 2,
        "pl_value_fees": -51.0
    },
    {
        "day": "2023-02-07",
        "trades": 4,
        "pl_value_fees": -11.0
    },
    {
        "day": "2023-02-08",
        "trades": 2,
        "pl_value_fees": -45.0
    },
    {
        "day": "2023-02-15",
        "trades": 1,
        "pl_value_fees": 28.0
    },
    {
        "day": "2023-02-27",
        "trades": 3,
        "pl_value_fees": -103.0
    }
]