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Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Volatility Rate

The estimated measure of the percentage by which a share price is expected to fluctuate during a period. Volatility also may be defined as a probability-weighted measure of the dispersion of returns about the mean. The volatility of a share price is the standard deviation of the continuously compounded rates of return on the share over a specified period. That is the same as the standard deviation of the differences in the natural logarithms of the stock prices plus dividends, if any, over the period.

Compare To Other Companies

Annual (pure)

Value Reported On Form FY FP Start Date End Date Fiscal Period
0.379 2011-02-24 10-K 2010 FY 2008-01-01 2008-12-31 CY2008
0.417 2012-02-16 10-K 2011 FY 2009-01-01 2009-12-31 CY2009
0.327 2013-02-14 10-K 2012 FY 2010-01-01 2010-12-31 CY2010
0.337 2014-02-14 10-K 2013 FY 2011-01-01 2011-12-31 CY2011
0.352 2015-02-13 10-K 2014 FY 2012-01-01 2012-12-31 CY2012
0.271 2016-02-12 10-K 2015 Q4 2013-01-01 2013-12-31 CY2013
0.191 2017-02-15 10-K 2016 FY 2014-01-01 2014-12-31 CY2014
0.206 2018-02-14 10-K 2017 Q4 2015-01-01 2015-12-31 CY2015
0.233 2019-02-13 10-K 2018 Q4 2016-01-01 2016-12-31 CY2016
0.193 2020-02-14 10-K 2019 FY 2017-01-01 2017-12-31 CY2017
0.197 2021-02-12 10-K 2020 FY 2018-01-01 2018-12-31 CY2018
0.196 2022-02-11 10-K 2021 FY 2019-01-01 2019-12-31 CY2019
0.193 2023-02-14 10-K 2022 FY 2020-01-01 2020-12-31 CY2020
0.261 2024-02-13 10-K 2023 FY 2021-01-01 2021-12-31 CY2021
0.246 2025-02-12 10-K 2024 FY 2022-01-01 2022-12-31 CY2022
0.295 2025-02-12 10-K 2024 FY 2023-01-01 2023-12-31 CY2023
0.287 2025-02-12 10-K 2024 FY 2024-01-01 2024-12-31 CY2024

Quarterly (pure)

Value Reported On Form FY FP Start Date End Date Fiscal Period
0.206 2015-04-29 10-Q 2015 Q1 2015-01-01 2015-03-31 CY2015Q1
0.233 2016-04-28 10-Q 2016 Q1 2016-01-01 2016-03-31 CY2016Q1
0.193 2017-05-02 10-Q 2017 Q1 2017-01-01 2017-03-31 CY2017Q1
0.197 2018-05-02 10-Q 2018 Q1 2018-01-01 2018-03-31 CY2018Q1
0.196 2019-04-30 10-Q 2019 Q1 2019-01-01 2019-03-31 CY2019Q1
0.193 2020-04-29 10-Q 2020 Q1 2020-01-01 2020-03-31 CY2020Q1
0.261 2021-04-29 10-Q 2021 Q1 2021-01-01 2021-03-31 CY2021Q1

All Reported Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Volatility Rate (pure)

Value Reported On Form FY FP Start Date End Date Fiscal Period
0.379 2011-02-24 10-K 2010 FY 2008-01-01 2008-12-31 CY2008
0.417 2011-02-24 10-K 2010 FY 2009-01-01 2009-12-31
0.417 2012-02-16 10-K 2011 FY 2009-01-01 2009-12-31 CY2009
0.327 2011-02-24 10-K 2010 FY 2010-01-01 2010-12-31
0.327 2012-02-16 10-K 2011 FY 2010-01-01 2010-12-31
0.327 2013-02-14 10-K 2012 FY 2010-01-01 2010-12-31 CY2010
0.337 2012-02-16 10-K 2011 FY 2011-01-01 2011-12-31
0.337 2013-02-14 10-K 2012 FY 2011-01-01 2011-12-31
0.337 2014-02-14 10-K 2013 FY 2011-01-01 2011-12-31 CY2011
0.352 2013-02-14 10-K 2012 FY 2012-01-01 2012-12-31
0.352 2014-02-14 10-K 2013 FY 2012-01-01 2012-12-31
0.352 2015-02-13 10-K 2014 FY 2012-01-01 2012-12-31 CY2012
0.271 2014-02-14 10-K 2013 FY 2013-01-01 2013-12-31
0.271 2015-02-13 10-K 2014 FY 2013-01-01 2013-12-31
0.271 2016-02-12 10-K 2015 Q4 2013-01-01 2013-12-31 CY2013
0.191 2015-02-13 10-K 2014 FY 2014-01-01 2014-12-31
0.191 2016-02-12 10-K 2015 Q4 2014-01-01 2014-12-31
0.191 2017-02-15 10-K 2016 FY 2014-01-01 2014-12-31 CY2014
0.206 2015-04-29 10-Q 2015 Q1 2015-01-01 2015-03-31 CY2015Q1
0.206 2015-07-29 10-Q 2015 Q2 2015-01-01 2015-06-30
0.206 2015-10-29 10-Q 2015 Q3 2015-01-01 2015-09-30
0.206 2016-02-12 10-K 2015 Q4 2015-01-01 2015-12-31
0.206 2017-02-15 10-K 2016 FY 2015-01-01 2015-12-31
0.206 2018-02-14 10-K 2017 Q4 2015-01-01 2015-12-31 CY2015
0.233 2016-04-28 10-Q 2016 Q1 2016-01-01 2016-03-31 CY2016Q1
0.233 2016-07-28 10-Q 2016 Q2 2016-01-01 2016-06-30
0.233 2016-10-28 10-Q 2016 Q3 2016-01-01 2016-09-30
0.233 2017-02-15 10-K 2016 FY 2016-01-01 2016-12-31
0.233 2018-02-14 10-K 2017 Q4 2016-01-01 2016-12-31
0.233 2019-02-13 10-K 2018 Q4 2016-01-01 2016-12-31 CY2016
0.193 2017-05-02 10-Q 2017 Q1 2017-01-01 2017-03-31 CY2017Q1
0.193 2017-07-27 10-Q 2017 Q2 2017-01-01 2017-06-30
0.193 2017-10-31 10-Q 2017 Q3 2017-01-01 2017-09-30
0.193 2018-02-14 10-K 2017 Q4 2017-01-01 2017-12-31
0.193 2019-02-13 10-K 2018 Q4 2017-01-01 2017-12-31
0.193 2020-02-14 10-K 2019 FY 2017-01-01 2017-12-31 CY2017
0.197 2018-05-02 10-Q 2018 Q1 2018-01-01 2018-03-31 CY2018Q1
0.197 2018-07-26 10-Q 2018 Q2 2018-01-01 2018-06-30
0.197 2018-10-30 10-Q 2018 Q3 2018-01-01 2018-09-30
0.197 2019-02-13 10-K 2018 Q4 2018-01-01 2018-12-31
0.197 2020-02-14 10-K 2019 FY 2018-01-01 2018-12-31
0.197 2021-02-12 10-K 2020 FY 2018-01-01 2018-12-31 CY2018
0.196 2019-04-30 10-Q 2019 Q1 2019-01-01 2019-03-31 CY2019Q1
0.196 2019-07-30 10-Q 2019 Q2 2019-01-01 2019-06-30
0.196 2019-10-29 10-Q 2019 Q3 2019-01-01 2019-09-30
0.196 2020-02-14 10-K 2019 FY 2019-01-01 2019-12-31
0.196 2021-02-12 10-K 2020 FY 2019-01-01 2019-12-31
0.196 2022-02-11 10-K 2021 FY 2019-01-01 2019-12-31 CY2019
0.193 2020-04-29 10-Q 2020 Q1 2020-01-01 2020-03-31 CY2020Q1
0.193 2020-07-30 10-Q 2020 Q2 2020-01-01 2020-06-30
0.193 2020-10-28 10-Q 2020 Q3 2020-01-01 2020-09-30
0.193 2021-02-12 10-K 2020 FY 2020-01-01 2020-12-31
0.193 2022-02-11 10-K 2021 FY 2020-01-01 2020-12-31
0.193 2023-02-14 10-K 2022 FY 2020-01-01 2020-12-31 CY2020
0.261 2021-04-29 10-Q 2021 Q1 2021-01-01 2021-03-31 CY2021Q1
0.261 2021-07-29 10-Q 2021 Q2 2021-01-01 2021-06-30
0.261 2021-10-28 10-Q 2021 Q3 2021-01-01 2021-09-30
0.261 2022-02-11 10-K 2021 FY 2021-01-01 2021-12-31
0.261 2023-02-14 10-K 2022 FY 2021-01-01 2021-12-31
0.261 2024-02-13 10-K 2023 FY 2021-01-01 2021-12-31 CY2021
0.246 2023-02-14 10-K 2022 FY 2022-01-01 2022-12-31
0.246 2024-02-13 10-K 2023 FY 2022-01-01 2022-12-31
0.246 2025-02-12 10-K 2024 FY 2022-01-01 2022-12-31 CY2022
0.295 2024-02-13 10-K 2023 FY 2023-01-01 2023-12-31
0.295 2025-02-12 10-K 2024 FY 2023-01-01 2023-12-31 CY2023
0.287 2025-02-12 10-K 2024 FY 2024-01-01 2024-12-31 CY2024

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