History
Investors have used exchange-listed options to engage in buy-write strategies since the 1970s, but prior to 2002 there was no major benchmark for buy-write strategies. To develop the CBOE S&P 500 BuyWrite Index (ticker BXM), the Chicago Board Options Exchange commissioned Professor Robert Whaley of Vanderbilt University. In April 2002, the index was announced with the publication of Whaley's "Return and Risk of CBOE Buy-Write Monthly Index" in Journal of Derivatives (Winter 2002).
Investors have used covered call strategies for more than three decades. As noted in a magazine article “Buy Writing Makes Comeback as Way to Hedge Risk.” Pensions & Investments, (May 16, 2005), two developments have enhanced the interest in covered call strategies in recent years: (1) in 2002 the Chicago Board Options Exchange introduced the first major benchmark index for covered call strategies, the CBOE S&P 500 BuyWrite Index (ticker BXM), and (2) in 2004 the Ibbotson Associates consulting firm published a case study on buy-write strategies. In 2006 Callan Associates published A Review of the CBOE S&P 500 BuyWrite Index.
The BXM Index won the Most Innovative Benchmark Index award at the 2004 Super Bowl of Indexing Conference.
More than forty new buy-write investment products have been introduced since mid-2004 (see examples below).
Read more about this topic: CBOE S&P 500 Buy Write Index
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