Last Price: $50.29  Day Change: 0.50 (1.00%)  02:59 PM CT
Historical Volatility (%) 
  1 Month 2 Month 3 Month 6 Month 1 Year 2 Year 3 Year
Statistical 23.92 19.86 17.92 17.75 24.51 33.23 29.55
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All data supplied by Morningstar Real-Time Data. U.S. intraday real-time exchange quotes are sourced from BATS when available. End-of-day quotes for Nasdaq, NYSE, and Amex securities will appear 15 minutes after close. Graph times are Eastern Standard.© Copyright 2010 Morningstar, Inc.
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