solve repeated call for get_object

GET /portfolio/13517/insights/
HTTP 200 OK
Allow: GET, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

[
    {
        "day": "2024-07-11",
        "trades": 1,
        "pl_value_fees": -1.0
    },
    {
        "day": "2024-07-23",
        "trades": 14,
        "pl_value_fees": -2.0
    },
    {
        "day": "2024-07-24",
        "trades": 1,
        "pl_value_fees": -0.0
    },
    {
        "day": "2024-07-29",
        "trades": 3,
        "pl_value_fees": 24.0
    },
    {
        "day": "2024-07-30",
        "trades": 25,
        "pl_value_fees": -73.0
    },
    {
        "day": "2024-07-31",
        "trades": 7,
        "pl_value_fees": 10.0
    }
]