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 CompaniesAnnual (pure)
| Value | Reported On | Form | FY | FP | Start Date | End Date | Fiscal Period |
|---|---|---|---|---|---|---|---|
| 0.68 | 2013-03-18 | 10-K | 2012 | FY | 2010-01-01 | 2010-12-31 | CY2010 |
| 0.62 | 2014-03-17 | 10-K | 2013 | FY | 2011-01-01 | 2011-12-31 | CY2011 |
| 0.58 | 2014-03-17 | 10-K | 2013 | FY | 2012-01-01 | 2012-12-31 | CY2012 |
| 0.59 | 2015-03-31 | 10-K | 2014 | FY | 2013-01-01 | 2013-12-31 | CY2013 |
| 0.64 | 2016-03-30 | 10-K | 2015 | FY | 2014-01-01 | 2014-12-31 | CY2014 |
| 0.63 | 2017-03-29 | 10-K | 2016 | FY | 2015-01-01 | 2015-12-31 | CY2015 |
| 0.8 | 2018-03-26 | 10-K | 2017 | FY | 2016-01-01 | 2016-12-31 | CY2016 |
| 0.83 | 2019-03-27 | 10-K | 2018 | FY | 2017-01-01 | 2017-12-31 | CY2017 |
| 1.236 | 2020-03-25 | 10-K | 2019 | FY | 2018-01-01 | 2018-12-31 | CY2018 |
| 1.187 | 2021-03-16 | 10-K | 2020 | FY | 2019-01-01 | 2019-12-31 | CY2019 |
| 1.152 | 2022-03-31 | 10-K | 2021 | FY | 2020-01-01 | 2020-12-31 | CY2020 |
| 0.997 | 2023-03-16 | 10-K | 2022 | FY | 2021-01-01 | 2021-12-31 | CY2021 |
| 0.937 | 2024-03-07 | 10-K | 2023 | FY | 2022-01-01 | 2022-12-31 | CY2022 |
| 0.85 | 2025-03-06 | 10-K | 2024 | FY | 2023-01-01 | 2023-12-31 | CY2023 |
| 1.955 | 2025-03-06 | 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 |
|---|---|---|---|---|---|---|---|
| 0.57 | 2013-05-09 | 10-Q | 2013 | Q1 | 2013-01-01 | 2013-03-31 | CY2013Q1 |
| 0.62 | 2014-05-12 | 10-Q | 2014 | Q1 | 2014-01-01 | 2014-03-31 | CY2014Q1 |
| 0.63 | 2015-05-15 | 10-Q | 2015 | Q1 | 2015-01-01 | 2015-03-31 | CY2015Q1 |
| 0.78 | 2016-05-16 | 10-Q | 2016 | Q1 | 2016-01-01 | 2016-03-31 | CY2016Q1 |
| 0.85 | 2018-05-15 | 10-Q | 2018 | Q1 | 2018-01-01 | 2018-03-31 | CY2018Q1 |
| 1.23 | 2019-05-15 | 10-Q | 2019 | Q1 | 2019-01-01 | 2019-03-31 | CY2019Q1 |
| 1.1 | 2020-05-13 | 10-Q | 2020 | Q1 | 2020-01-01 | 2020-03-31 | CY2020Q1 |
| 1.02 | 2021-05-12 | 10-Q | 2021 | Q1 | 2021-01-01 | 2021-03-31 | CY2021Q1 |
| 0.939 | 2022-05-13 | 10-Q | 2022 | Q1 | 2022-01-01 | 2022-03-31 | CY2022Q1 |
| 0.95 | 2023-05-11 | 10-Q | 2023 | Q1 | 2023-01-01 | 2023-03-31 | CY2023Q1 |
| 1.941 | 2024-05-09 | 10-Q | 2024 | Q1 | 2024-01-01 | 2024-03-31 | CY2024Q1 |
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 |
|---|---|---|---|---|---|---|---|
| 0.69 | 2013-03-18 | 10-K | 2012 | FY | 2010-01-01 | 2010-01-02 | |
| 0.59 | 2013-03-18 | 10-K | 2012 | FY | 2010-12-16 | 2010-12-17 | |
| 0.68 | 2013-03-18 | 10-K | 2012 | FY | 2010-01-01 | 2010-12-31 | CY2010 |
| 0.62 | 2013-03-18 | 10-K | 2012 | FY | 2011-10-04 | 2011-10-05 | |
| 0.62 | 2014-03-17 | 10-K | 2013 | FY | 2011-10-04 | 2011-10-05 | |
| 0.62 | 2013-03-18 | 10-K | 2012 | FY | 2011-01-01 | 2011-12-31 | |
| 0.62 | 2014-03-17 | 10-K | 2013 | FY | 2011-01-01 | 2011-12-31 | CY2011 |
| 0.6 | 2013-03-18 | 10-K | 2012 | FY | 2012-01-16 | 2012-01-17 | |
| 0.6 | 2014-03-17 | 10-K | 2013 | FY | 2012-01-16 | 2012-01-17 | |
| 0.58 | 2012-08-09 | 10-Q | 2012 | Q2 | 2012-01-01 | 2012-06-30 | |
| 0.58 | 2012-11-07 | 10-Q | 2012 | Q3 | 2012-01-01 | 2012-09-30 | |
| 0.57 | 2013-03-18 | 10-K | 2012 | FY | 2012-12-12 | 2012-12-13 | |
| 0.57 | 2014-03-17 | 10-K | 2013 | FY | 2012-12-12 | 2012-12-13 | |
| 0.58 | 2013-03-18 | 10-K | 2012 | FY | 2012-01-01 | 2012-12-31 | |
| 0.58 | 2014-03-17 | 10-K | 2013 | FY | 2012-01-01 | 2012-12-31 | CY2012 |
| 0.57 | 2015-03-31 | 10-K | 2014 | FY | 2013-02-25 | 2013-02-26 | CY2013Q1I |
| 0.57 | 2014-03-17 | 10-K | 2013 | FY | 2013-02-26 | 2013-02-27 | |
| 0.57 | 2013-05-09 | 10-Q | 2013 | Q1 | 2013-01-01 | 2013-03-31 | CY2013Q1 |
| 0.57 | 2013-08-07 | 10-Q | 2013 | Q2 | 2013-01-01 | 2013-06-30 | |
| 0.57 | 2014-03-17 | 10-K | 2013 | FY | 2013-08-20 | 2013-08-21 | |
| 0.58 | 2013-11-12 | 10-Q | 2013 | Q3 | 2013-01-01 | 2013-09-30 | |
| 0.62 | 2015-03-31 | 10-K | 2014 | FY | 2013-10-01 | 2013-10-31 | CY2013Q3I |
| 0.59 | 2014-03-17 | 10-K | 2013 | FY | 2013-01-01 | 2013-12-31 | |
| 0.59 | 2015-03-31 | 10-K | 2014 | FY | 2013-01-01 | 2013-12-31 | CY2013 |
| 0.62 | 2014-05-12 | 10-Q | 2014 | Q1 | 2014-01-01 | 2014-03-31 | CY2014Q1 |
| 0.62 | 2014-08-11 | 10-Q | 2014 | Q2 | 2014-01-01 | 2014-06-30 | |
| 0.63 | 2014-11-12 | 10-Q | 2014 | Q3 | 2014-01-01 | 2014-09-30 | |
| 0.64 | 2015-03-31 | 10-K | 2014 | FY | 2014-01-01 | 2014-12-31 | |
| 0.64 | 2016-03-30 | 10-K | 2015 | FY | 2014-01-01 | 2014-12-31 | CY2014 |
| 0.63 | 2015-05-15 | 10-Q | 2015 | Q1 | 2015-01-01 | 2015-03-31 | CY2015Q1 |
| 0.63 | 2015-08-14 | 10-Q | 2015 | Q2 | 2015-01-01 | 2015-06-30 | |
| 0.63 | 2015-11-16 | 10-Q | 2015 | Q3 | 2015-01-01 | 2015-09-30 | |
| 0.63 | 2016-03-30 | 10-K | 2015 | FY | 2015-01-01 | 2015-12-31 | |
| 0.63 | 2017-03-29 | 10-K | 2016 | FY | 2015-01-01 | 2015-12-31 | CY2015 |
| 0.78 | 2016-05-16 | 10-Q | 2016 | Q1 | 2016-01-01 | 2016-03-31 | CY2016Q1 |
| 0.79 | 2016-08-15 | 10-Q | 2016 | Q2 | 2016-01-01 | 2016-06-30 | |
| 0.8 | 2016-11-14 | 10-Q | 2016 | Q3 | 2016-01-01 | 2016-09-30 | |
| 0.8 | 2017-03-29 | 10-K | 2016 | FY | 2016-01-01 | 2016-12-31 | |
| 0.8 | 2018-03-26 | 10-K | 2017 | FY | 2016-01-01 | 2016-12-31 | CY2016 |
| 0.83 | 2017-08-14 | 10-Q | 2017 | Q2 | 2017-01-01 | 2017-06-30 | |
| 0.83 | 2017-11-14 | 10-Q | 2017 | Q3 | 2017-01-01 | 2017-09-30 | |
| 0.83 | 2018-03-26 | 10-K | 2017 | FY | 2017-01-01 | 2017-12-31 | |
| 0.83 | 2019-03-27 | 10-K | 2018 | FY | 2017-01-01 | 2017-12-31 | CY2017 |
| 0.85 | 2018-05-15 | 10-Q | 2018 | Q1 | 2018-01-01 | 2018-03-31 | CY2018Q1 |
| 0.85 | 2018-08-14 | 10-Q | 2018 | Q2 | 2018-01-01 | 2018-06-30 | |
| 0.85 | 2018-11-14 | 10-Q | 2018 | Q3 | 2018-01-01 | 2018-09-30 | |
| 1.236 | 2019-03-27 | 10-K | 2018 | FY | 2018-01-01 | 2018-12-31 | |
| 1.236 | 2020-03-25 | 10-K | 2019 | FY | 2018-01-01 | 2018-12-31 | CY2018 |
| 1.23 | 2019-05-15 | 10-Q | 2019 | Q1 | 2019-01-01 | 2019-03-31 | CY2019Q1 |
| 1.19 | 2019-08-14 | 10-Q | 2019 | Q2 | 2019-01-01 | 2019-06-30 | |
| 1.19 | 2019-11-14 | 10-Q | 2019 | Q3 | 2019-01-01 | 2019-09-30 | |
| 1.187 | 2020-03-25 | 10-K | 2019 | FY | 2019-01-01 | 2019-12-31 | |
| 1.187 | 2021-03-16 | 10-K | 2020 | FY | 2019-01-01 | 2019-12-31 | CY2019 |
| 1.1 | 2020-05-13 | 10-Q | 2020 | Q1 | 2020-01-01 | 2020-03-31 | CY2020Q1 |
| 1.1 | 2020-08-12 | 10-Q | 2020 | Q2 | 2020-01-01 | 2020-06-30 | |
| 1.15 | 2020-11-12 | 10-Q | 2020 | Q3 | 2020-01-01 | 2020-09-30 | |
| 1.152 | 2021-03-16 | 10-K | 2020 | FY | 2020-01-01 | 2020-12-31 | |
| 1.152 | 2022-03-31 | 10-K | 2021 | FY | 2020-01-01 | 2020-12-31 | CY2020 |
| 1.02 | 2021-05-12 | 10-Q | 2021 | Q1 | 2021-01-01 | 2021-03-31 | CY2021Q1 |
| 1.01 | 2021-08-09 | 10-Q | 2021 | Q2 | 2021-01-01 | 2021-06-30 | |
| 0.997 | 2021-11-10 | 10-Q | 2021 | Q3 | 2021-01-01 | 2021-09-30 | |
| 0.997 | 2022-03-31 | 10-K | 2021 | FY | 2021-01-01 | 2021-12-31 | |
| 0.997 | 2023-03-16 | 10-K | 2022 | FY | 2021-01-01 | 2021-12-31 | CY2021 |
| 0.939 | 2022-05-13 | 10-Q | 2022 | Q1 | 2022-01-01 | 2022-03-31 | CY2022Q1 |
| 0.936 | 2022-08-12 | 10-Q | 2022 | Q2 | 2022-01-01 | 2022-06-30 | |
| 0.936 | 2022-11-10 | 10-Q | 2022 | Q3 | 2022-01-01 | 2022-09-30 | |
| 0.937 | 2023-03-16 | 10-K | 2022 | FY | 2022-01-01 | 2022-12-31 | |
| 0.937 | 2024-03-07 | 10-K | 2023 | FY | 2022-01-01 | 2022-12-31 | CY2022 |
| 0.95 | 2023-05-11 | 10-Q | 2023 | Q1 | 2023-01-01 | 2023-03-31 | CY2023Q1 |
| 0.945 | 2023-08-10 | 10-Q | 2023 | Q2 | 2023-01-01 | 2023-06-30 | |
| 0.945 | 2023-11-09 | 10-Q | 2023 | Q3 | 2023-01-01 | 2023-09-30 | |
| 0.85 | 2024-03-07 | 10-K | 2023 | FY | 2023-01-01 | 2023-12-31 | |
| 0.85 | 2025-03-06 | 10-K | 2024 | FY | 2023-01-01 | 2023-12-31 | CY2023 |
| 1.941 | 2024-05-09 | 10-Q | 2024 | Q1 | 2024-01-01 | 2024-03-31 | CY2024Q1 |
| 1.941 | 2024-08-08 | 10-Q | 2024 | Q2 | 2024-01-01 | 2024-06-30 | |
| 1.941 | 2024-11-07 | 10-Q | 2024 | Q3 | 2024-01-01 | 2024-09-30 | |
| 1.955 | 2025-03-06 | 10-K | 2024 | FY | 2024-01-01 | 2024-12-31 | CY2024 |
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