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S&P 500 (US)

Traded on the CME (Chicago Mercantile Exchange), Standard & Poors is a value-weighted index of 500 large-cap common stocks actively traded in the United States. The stocks included in the S&P are those of large publicly held companies that trade  on either of the two largest American stock market companies: the NYSE Euronext and the NASDAQ OMX.

Trading Hours :  Mon - Fri 15:00 - 21:00
Reuters Code :  .SPX
Expiry Rule : (Bid + Ask) / 2
Asset Index
Important note: Binary option trading, although can be very profitable, may also involve a significant risk of losing your investment. 
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iOption™ is the most advanced binary options trading platform in the market today. We are offering our investors and traders a much diversified portfolio of underlying assets including but not limited to: Stocks, Commodities, Indices and currencies (Forex). Our platform is ideal for day traders, brokers and investors wishing to maximize their earnings by working from home or workplace. Please note that the option price/quotes that is offered by us is not necessarily the real time of the underlying asset but rather the price that iOption™ is willing to offer the relevant option. Results depend on real-time asset prices, option expiration time (10 minutes to 30 days) and you may forfeit a portion of your initial investment if the trade expires out-of-the-money. iOption™ consulting services Ltd. are not authorized by the FSA to conduct financial services business in the UK or to accept business from persons in the UK.
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