@type t() :: %IbkrApi.ClientPortal.Order.ModifyOrderRequest{
  acct_id: String.t() | nil,
  aux_price: float() | nil,
  conid: integer() | nil,
  deactivated: boolean() | nil,
  listing_exchange: String.t() | nil,
  order_type: String.t() | nil,
  outside_rth: boolean() | nil,
  price: float() | nil,
  quantity: integer() | nil,
  side: String.t() | nil,
  ticker: String.t() | nil,
  tif: String.t() | nil
}