solve repeated call for get_object

GET /portfolio/2242/insights/
HTTP 200 OK
Allow: GET, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

[
    {
        "day": "2023-03-03",
        "trades": 2,
        "pl_value_fees": -15.0
    },
    {
        "day": "2023-03-07",
        "trades": 2,
        "pl_value_fees": -58.0
    },
    {
        "day": "2023-03-08",
        "trades": 3,
        "pl_value_fees": -104.0
    },
    {
        "day": "2023-03-09",
        "trades": 1,
        "pl_value_fees": -22.0
    },
    {
        "day": "2023-03-10",
        "trades": 2,
        "pl_value_fees": -4.0
    },
    {
        "day": "2023-03-13",
        "trades": 1,
        "pl_value_fees": -31.0
    },
    {
        "day": "2023-03-15",
        "trades": 4,
        "pl_value_fees": -1.0
    }
]