t() :: %ExBitmex.Position{
  account: pos_integer(),
  avg_cost_price: float() | nil,
  avg_entry_price: float() | nil,
  bankrupt_price: float() | nil,
  break_even_price: float() | nil,
  commission: float(),
  cross_margin: boolean(),
  currency: String.t(),
  current_comm: float(),
  current_cost: float(),
  current_qty: non_neg_integer(),
  current_timestamp: String.t(),
  deleverage_percentile: nil | term(),
  exec_buy_cost: float(),
  exec_buy_qty: non_neg_integer(),
  exec_comm: float(),
  exec_cost: float(),
  exec_qty: non_neg_integer(),
  exec_sell_cost: float(),
  exec_sell_qty: non_neg_integer(),
  foreign_notional: float(),
  gross_exec_cost: float(),
  gross_open_cost: float(),
  gross_open_premium: float(),
  home_notional: float(),
  indicative_tax: float(),
  indicative_tax_rate: float(),
  init_margin: float(),
  init_margin_req: float(),
  is_open: boolean(),
  last_price: float() | nil,
  last_value: float(),
  leverage: pos_integer(),
  liquidation_price: float() | nil,
  long_bankrupt: float(),
  maint_margin: float(),
  maint_margin_req: float(),
  margin_call_price: float() | nil,
  mark_price: float() | nil,
  mark_value: float(),
  open_order_buy_cost: float(),
  open_order_buy_premium: float(),
  open_order_buy_qty: non_neg_integer(),
  open_order_sell_cost: float(),
  open_order_sell_premium: float(),
  open_order_sell_qty: non_neg_integer(),
  opening_comm: integer(),
  opening_cost: float(),
  opening_qty: non_neg_integer(),
  opening_timestamp: String.t(),
  pos_allowance: float(),
  pos_comm: float(),
  pos_cost: float(),
  pos_cost2: float(),
  pos_cross: float(),
  pos_init: float(),
  pos_loss: float(),
  pos_maint: float(),
  pos_margin: float(),
  pos_state: String.t(),
  prev_close_price: float(),
  prev_realised_pnl: float(),
  prev_unrealised_pnl: float(),
  quote_currency: String.t(),
  realised_cost: float(),
  realised_gross_pnl: float(),
  realised_pnl: float(),
  realised_tax: float(),
  rebalanced_pnl: integer(),
  risk_limit: integer(),
  risk_value: float(),
  session_margin: float(),
  short_bankrupt: float(),
  simple_cost: float() | nil,
  simple_pnl: float() | nil,
  simple_pnl_pcnt: float() | nil,
  simple_qty: pos_integer() | nil,
  simple_value: float() | nil,
  symbol: String.t(),
  target_excess_margin: float(),
  tax_base: float(),
  taxable_margin: float(),
  timestamp: String.t(),
  underlying: String.t(),
  unrealised_cost: float(),
  unrealised_gross_pnl: float(),
  unrealised_pnl: float(),
  unrealised_pnl_pcnt: float(),
  unrealised_roe_pcnt: float(),
  unrealised_tax: float(),
  var_margin: float()
}