Last Price: $50.66  Day Change: 0.07 (-0.14%)  11:00 PM CT
Historical Volatility (%) 
  1 Month 2 Month 3 Month 6 Month 1 Year 2 Year 3 Year
Statistical 20.22 18.79 16.94 19.00 69.35 53.15 44.18
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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 2009 Morningstar, Inc.
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