solve repeated call for get_object

GET /portfolio/38301/insights/
HTTP 200 OK
Allow: GET, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

[
    {
        "day": "2025-05-21",
        "trades": 1,
        "pl_value_fees": 80.0
    },
    {
        "day": "2025-05-26",
        "trades": 1,
        "pl_value_fees": 672.0
    }
]