t() :: %Plaid.Investments.Security{
  close_price: float(),
  close_price_as_of: String.t(),
  cusip: String.t() | nil,
  institution_id: String.t() | nil,
  institution_security_id: String.t() | nil,
  is_cash_equivalent: true | false,
  isin: String.t() | nil,
  iso_currency_code: String.t() | nil,
  name: String.t() | nil,
  proxy_security_id: String.t() | nil,
  security_id: String.t(),
  sedol: String.t() | nil,
  ticker_symbol: String.t() | nil,
  type: String.t(),
  unofficial_currency_code: String.t() | nil
}