V-Lab
Ballard Power Systems Inc MEM Volatility Analysis
Volatility prediction for Thursday, August 6th, 2026
1 Day
72.04%
decreased by 4.42%
1 Week
72.71%
decreased by 3.75%
1 Month
75.03%
decreased by 1.43%
Analysis last updated: Wednesday, August 5, 2026 at 09:06 PM UTC
News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
Nov 8, 1995 to Jul 31, 2026Model Insight
Volatility shocks decay with a half-life of 39 trading days, meaning a shock loses half its impact after approximately 39 days.
μ
MEM Model
Tap to view equation
| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 0.5605 | 24.29*** |
α ARCH Response to squared shocks | 0.2126 | 53.69*** |
β GARCH Volatility persistence | 0.7696 | 203.44*** |
Persistence:
0.982
Half-life:
39 days
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