V-Lab
Profound Medical Corp GJR-GARCH Volatility Analysis
Volatility prediction for Wednesday, August 26th, 2026
1 Day
63.29%
decreased by 1.52%
1 Week
65.41%
increased by 0.60%
1 Month
67.67%
increased by 2.86%
Analysis last updated: Tuesday, August 25, 2026 at 09:16 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
This asset shows a rare inverse leverage effect: positive returns raise next-day volatility 100% more than negative returns. Volatility rises more after gains than after losses, the reverse of the usual leverage effect and uncommon among risky assets.
σ
GJR-GARCH Model
Tap to view equation
| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 4.5610 | 9.66*** |
α ARCH Response to squared shocks | 0.1020 | 6.16*** |
β GARCH Volatility persistence | 0.6799 | 26.03*** |
γ leverage Additional response to negative shocks | -0.0510 | -2.54** |
Persistence:
0.756
Half-life:
2 days
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