solve repeated call for get_object

GET /portfolio/35640/insights/
HTTP 200 OK
Allow: GET, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

[
    {
        "day": "2025-04-08",
        "trades": 1,
        "pl_value_fees": 18.0
    },
    {
        "day": "2025-04-10",
        "trades": 2,
        "pl_value_fees": -3.0
    },
    {
        "day": "2025-04-11",
        "trades": 3,
        "pl_value_fees": -6.0
    },
    {
        "day": "2025-04-14",
        "trades": 3,
        "pl_value_fees": -3.0
    }
]