Access historical data for SPX 500 free of charge. You will find the closing price, open, high, low, change and percentage change for the selected range of dates. The data can be viewed in daily, weekly or monthly time intervals. At the foot of the table you'll find the data summary for the selected range of dates.
Volatility increasing as the debt limit showdown nears and with the options expiration next week. Worth taking note of the clear Head and Shoulders chart pattern on the S&P 500 (30min chart etc) How this pattern resolves could result in a big trend reversal imho......