code: def ipoUpcomingDF(token='', version=''):
      '''This returns a list of upcoming or today IPOs scheduled for the current and next month. The response is split into two structures:
      rawData and viewData. rawData represents all available data for an IPO. viewData represents data structured for display to a user.
  
      https://iexcloud.io/docs/api/#ipo-calendar
      10am, 10:30am UTC daily
  
      Args:
          token (string); Access token
          version (string); API version
  
      Returns:
          DataFrame: result
      '''
      val = ipoUpcoming(token, version)
      if val:
          df = pd.io.json.json_normalize(val, 'rawData')
          _toDatetime(df)
          _reindex(df, 'symbol')
      else:
          df = pd.DataFrame()
      return df ipoUpcomingDF(token='', version=''):
      '''This returns a list of upcoming or today IPOs scheduled for the current and next month. The response is split into two structures:
      rawData and viewData. rawData represents all available data for an IPO. viewData represents data structured for display to a user.
  
      https://iexcloud.io/docs/api/#ipo-calendar
      10am, 10:30am UTC daily
  
      Args:
          token (string); Access token
          version (string); API version
  
      Returns:
          DataFrame: result
      '''
      val = ipoUpcoming(token, version)
      if val:
          df = pd.io.json.json_normalize(val, 'rawData')
          _toDatetime(df)
          _reindex(df, 'symbol')
      else:
          df = pd.DataFrame()
      return df
docs: This returns a list of upcoming or today IPOs scheduled for the current and next month. The response is split into two structures:
      rawData and viewData. rawData represents all available data for an IPO. viewData represents data structured for display to a user.
  
      https://iexcloud.io/docs/api/#ipo-calendar
      10am, 10:30am UTC daily
  
      Args:
          token (string); Access token
          version (string); API version
  
      Returns:
          DataFrame: result