Spy | a complete spdr s&p 500 etf trust exchange traded fund overview by marketwatch View the latest etf prices and news for better etf investing. (also known as mid price) the price between the best price of the sellers for a trading unit of a given security and the best price of the buyer of a trading unit of a given security. Spy is an index fund that tracks the s&p 500 index Investing in it provides exposure to about 500 of the largest u.s Investing in spy offers instant diversification for your.
Investing in spy offers instant diversification for your portfolio.
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