curl --request GET \
  --url https://public-api.etoro.com/api/v1/user-info/people/{username}/gain \
  --header 'x-api-key: <x-api-key>' \
  --header 'x-request-id: <x-request-id>' \
  --header 'x-user-key: <x-user-key>'

{
  "monthly": [
    {
      "timestamp": "2023-11-07T05:31:56Z",
      "gain": 123
    }
  ],
  "yearly": [
    {
      "timestamp": "2023-11-07T05:31:56Z",
      "gain": 123
    }
  ]
}