code: def officialPriceDF(symbol=None, token='', version=''):
      '''The Official Price message is used to disseminate the IEX Official Opening and Closing Prices.
  
      These messages will be provided only for IEX Listed Securities.
  
      https://iexcloud.io/docs/api/#deep-official-price
  
      Args:
          symbol (string); Ticker to request
          token (string); Access token
          version (string); API version
  
      Returns:
          DataFrame: result
      '''
      df = pd.io.json.json_normalize(officialPrice(symbol, token, version))
      _toDatetime(df)
      return df officialPriceDF(symbol=None, token='', version=''):
      '''The Official Price message is used to disseminate the IEX Official Opening and Closing Prices.
  
      These messages will be provided only for IEX Listed Securities.
  
      https://iexcloud.io/docs/api/#deep-official-price
  
      Args:
          symbol (string); Ticker to request
          token (string); Access token
          version (string); API version
  
      Returns:
          DataFrame: result
      '''
      df = pd.io.json.json_normalize(officialPrice(symbol, token, version))
      _toDatetime(df)
      return df
docs: The Official Price message is used to disseminate the IEX Official Opening and Closing Prices.
  
      These messages will be provided only for IEX Listed Securities.
  
      https://iexcloud.io/docs/api/#deep-official-price
  
      Args:
          symbol (string); Ticker to request
          token (string); Access token
          version (string); API version
  
      Returns:
          DataFrame: result