solve repeated call for get_object

GET /portfolio/66/insights/
HTTP 200 OK
Allow: GET, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

[
    {
        "day": "2020-07-16",
        "trades": 2,
        "pl_value_fees": 7.0
    },
    {
        "day": "2020-07-21",
        "trades": 1,
        "pl_value_fees": 5.0
    },
    {
        "day": "2020-07-22",
        "trades": 1,
        "pl_value_fees": -2.0
    },
    {
        "day": "2020-08-05",
        "trades": 1,
        "pl_value_fees": -3.0
    },
    {
        "day": "2020-10-12",
        "trades": 3,
        "pl_value_fees": -1.0
    },
    {
        "day": "2020-10-15",
        "trades": 1,
        "pl_value_fees": 0.0
    },
    {
        "day": "2020-10-30",
        "trades": 1,
        "pl_value_fees": -1.0
    },
    {
        "day": "2021-01-06",
        "trades": 1,
        "pl_value_fees": -4.0
    },
    {
        "day": "2021-01-12",
        "trades": 1,
        "pl_value_fees": -5.0
    },
    {
        "day": "2021-08-02",
        "trades": 1,
        "pl_value_fees": -0.0
    },
    {
        "day": "2021-08-03",
        "trades": 6,
        "pl_value_fees": -4.0
    },
    {
        "day": "2021-08-04",
        "trades": 2,
        "pl_value_fees": -3.0
    },
    {
        "day": "2021-09-15",
        "trades": 1,
        "pl_value_fees": 2.0
    },
    {
        "day": "2021-09-16",
        "trades": 1,
        "pl_value_fees": -0.0
    },
    {
        "day": "2021-10-01",
        "trades": 1,
        "pl_value_fees": -10.0
    }
]