d.json

{
  "ask_price_1": 6712.0,
  "ask_price_2": 0,
  "ask_price_3": 0,
  "ask_price_4": 0,
  "ask_price_5": 0,
  "ask_volume_1": 31,
  "ask_volume_2": 0,
  "ask_volume_3": 0,
  "ask_volume_4": 0,
  "ask_volume_5": 0,
  "average_price": 6694.0,
  "bid_price_1": 6708.0,
  "bid_price_2": 0,
  "bid_price_3": 0,
  "bid_price_4": 0,
  "bid_price_5": 0,
  "bid_volume_1": 26,
  "bid_volume_2": 0,
  "bid_volume_3": 0,
  "bid_volume_4": 0,
  "bid_volume_5": 0,
  "datetime": "2020-04-07 10:58:31",
  "exchange": "CZCE",
  "gateway_name": "ctp",
  "high_price": 6770.0,
  "last_price": 6710.0,
  "last_volume": 0,
  "limit_down": 6302.0,
  "limit_up": 7110.0,
  "local_symbol": "SM005.CZCE",
  "low_price": 6624.0,
  "name": "",
  "open_interest": 55266.0,
  "open_price": 6694.0,
  "preSettlementPrice": 6706.0,
  "pre_close": 6708.0,
  "symbol": "SM005",
  "volume": 45003
}