Trading in iShares S&P 100 (OEF) began at the Cboe on October 27, 2000, and trading in options on iShares S&P 100 began at the Cboe on February 7, 2001. OEF is an exchange-traded fund that trades exclusively at Cboe . It seeks investment results that correspond generally to the price and yield performance, before fees and expenses, of the S&P 100 Index.
At the launch of the OEF options, Cboe Chairman and CEO William J. Brodsky said: "OEF options offer investors a cost-efficient way to participate in the performance of the top 100 companies in the United States. The deep, liquid markets found at the world's largest options exchange make Cboe the ideal marketplace for this exciting new product."
OEF options trade like stock options, are American-style exercise, are settled by physical delivery, and trade in decimals. The options trade in the OEX trading pit from 8:30 a.m. to 3:15 p.m. CST.
Click here for OEF Options Specifications