def marketVolumeDF(token='<STR_LIT>', version='<STR_LIT>'):
return pd.DataFrame(marketVolume())<EOL>
This endpoint returns real time traded volume on U.S. markets.

    https://iexcloud.io/docs/api/#market-volume-u-s
    7:45am-5:15pm ET Mon-Fri

    Args:
        token (string); Access token
        version (string); API version

    Returns:
        DataFrame: result