HECLA MINING CO/DE/ Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Volatility Rate
HECLA MINING CO/DE/ (HL) reported Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Volatility Rate of 92.00% for the 12-month period ending 2010-12-31, per its 8-K filed 2013-10-25.
Discontinued › Notes › Compensation Related Costs › Share-Based Payment Arrangement, Disclosure › Share-Based Compensation Arrangement by Share-Based Payment Award, Fair Value Assumptions and Methodology
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate · last filed 2013-10-25
- HECLA MINING CO/DE/ share-based compensation arrangement by share-based payment award, fair value assumptions, expected volatility rate for fiscal 2009 was 90.00%.
| Period end | Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Volatility Rate 12 month |
|---|---|
| 2010-12-31 | 92.00% 8-K · filed 2013-10-25 |
| 2009-12-31 | 90.00% 10-K · filed 2012-02-22 |
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