Volume by Account Type Download Batch Processing

Script Example:  
https://marketdata.theocc.com/onn-volume-download?productKind=options&reportType=D
&reportDate=20190531&reportFormat=percent&issues=all&reportView=raw

productKind: options
futures
reportType: D (daily)
W (weekly)
M (monthly)
R (Rolling Year)
Y (Year)
To search ONN volume by year (reportType=Y), use the reportYear parameter to specify the year. The reportDate parameter will be ignored.
reportDate: yyyymmdd
reportYear: yyyy
reportFormat: both
percent
volume
issues: all
multiple
reportView: raw
totals