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
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