t() :: %ExOkex.Futures.FixedPosition{
  created_at: String.t(),
  instrument_id: String.t(),
  last: String.t(),
  long_avail_qty: String.t(),
  long_avg_cost: String.t(),
  long_leverage: String.t(),
  long_liqui_price: String.t(),
  long_maint_margin_ratio: String.t(),
  long_margin: String.t(),
  long_margin_ratio: String.t(),
  long_pnl: String.t(),
  long_pnl_ratio: String.t(),
  long_qty: String.t(),
  long_settled_pnl: String.t(),
  long_settlement_price: String.t(),
  long_unrealised_pnl: String.t(),
  margin_mode: String.t(),
  realised_pnl: String.t(),
  short_avail_qty: String.t(),
  short_avg_cost: String.t(),
  short_leverage: String.t(),
  short_liqui_price: String.t(),
  short_maint_margin_ratio: String.t(),
  short_margin: String.t(),
  short_margin_ratio: String.t(),
  short_pnl: String.t(),
  short_pnl_ratio: String.t(),
  short_qty: String.t(),
  short_settled_pnl: String.t(),
  short_settlement_price: String.t(),
  short_unrealised_pnl: String.t(),
  updated_at: String.t()
}