code: def marketOhlcDF(token='', version=''):
      '''Returns the official open and close for whole market.
  
      https://iexcloud.io/docs/api/#news
      9:30am-5pm ET Mon-Fri
  
      Args:
          token (string); Access token
          version (string); API version
  
      Returns:
          DataFrame: result
      '''
      x = marketOhlc(token, version)
      data = []
      for key in x:
          data.append(x[key])
          data[-1]['symbol'] = key
      df = pd.io.json.json_normalize(data)
      _toDatetime(df)
      _reindex(df, 'symbol')
      return df marketOhlcDF(token='', version=''):
      '''Returns the official open and close for whole market.
  
      https://iexcloud.io/docs/api/#news
      9:30am-5pm ET Mon-Fri
  
      Args:
          token (string); Access token
          version (string); API version
  
      Returns:
          DataFrame: result
      '''
      x = marketOhlc(token, version)
      data = []
      for key in x:
          data.append(x[key])
          data[-1]['symbol'] = key
      df = pd.io.json.json_normalize(data)
      _toDatetime(df)
      _reindex(df, 'symbol')
      return df
docs: Returns the official open and close for whole market.
  
      https://iexcloud.io/docs/api/#news
      9:30am-5pm ET Mon-Fri
  
      Args:
          token (string); Access token
          version (string); API version
  
      Returns:
          DataFrame: result