V-Lab
Cyanotech Corp GAS-GARCH Student T Volatility Analysis
Volatility prediction for Wednesday, August 19th, 2026
1 Day
253,880.09%
increased by 36,828.89%
1 Week
253,181.13%
increased by 36,129.93%
1 Month
250,417.41%
increased by 33,366.21%
Analysis last updated: Wednesday, August 19, 2026 at 09:09 AM UTC
News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
May 22, 1991 to Aug 18, 2026Boundary Parameters
Model Insight
The estimated Student-t degrees of freedom v = 2.00 sit at the infinite-variance boundary (v → 2): the model is attributing extreme moves to heavy tails rather than to volatility, so the volatility scale is unreliable here. See the boundary-parameters flag.
𝑓
GAS-GARCH-T Model
Tap to view equation
| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 3.4851 | 1.93* |
α ARCH Response to squared shocks | 0.1181 | 15.88*** |
β GARCH Volatility persistence | 0.9972 | 814.08*** |
ν DF Student-t tail thickness | 2.0000 |
Persistence:
0.997
Half-life:
251 days
Other Cyanotech Corp Analyses
Other GAS-GARCH Student T Analyses on Equities