SPDRs represent shares of a security designated to track the value of the S&P 500. The market value of the SPDR approximates 1/10 of the value of the S&P 500 Index.
FTSE Mondo Visione Exchanges Index:
CBOE Names Chicago Trading Company, LLC (CTC) As DPM In SPDRs Options (SPY)
Date 05/01/2005