chart, page-33

Exchange Traded Options for Institutional investors

Exchange Traded Options (ETOs) provide fund managers
and other institutional investors with existing equity portfolios the potential to reduce risk, generate extra income, reduce market impact costs and manage capital gains implications.
http://www.asx.com.au/professionals/institutional/etos.htm

and also link:

http://www.shareselect.com.au/knowledge-bank/Exchange-Traded-Options/The-Basics/