V-Lab
Profound Medical Corp GAS-GARCH Student T Volatility Analysis
Volatility prediction for Wednesday, August 26th, 2026
1 Day
62.11%
decreased by 4.00%
1 Week
63.47%
decreased by 2.64%
1 Month
66.49%
increased by 0.38%
Analysis last updated: Tuesday, August 25, 2026 at 09:17 PM UTC
News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
Oct 30, 2019 to Aug 21, 2026Model Insight
Volatility shocks decay with a half-life of 7 trading days, meaning a shock loses half its impact after approximately 7 days. Returns follow a Student-t distribution with v = 3.73 degrees of freedom, capturing fatter tails than a normal distribution.
𝑓
GAS-GARCH-T Model
Tap to view equation
| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 19.4092 | 4.28*** |
α ARCH Response to squared shocks | 0.0713 | 6.16*** |
β GARCH Volatility persistence | 0.9098 | 40.48*** |
ν DF Student-t tail thickness | 3.7342 | 2.47** |
Persistence:
0.910
Half-life:
7 days
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