solve repeated call for get_object

GET /portfolio/941/insights/
HTTP 200 OK
Allow: GET, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

[
    {
        "day": "2023-01-06",
        "trades": 2,
        "pl_value_fees": -94.0
    },
    {
        "day": "2023-01-12",
        "trades": 2,
        "pl_value_fees": -334.0
    },
    {
        "day": "2023-02-08",
        "trades": 1,
        "pl_value_fees": 45.0
    },
    {
        "day": "2023-02-21",
        "trades": 1,
        "pl_value_fees": 99.0
    },
    {
        "day": "2023-05-23",
        "trades": 1,
        "pl_value_fees": 39.0
    }
]