V-Lab
Daehan Steel Co Ltd GAS-GARCH Student T Volatility Analysis
Volatility prediction for Friday, July 24th, 2026
1 Day
56.72%
increased by 6.35%
1 Week
56.52%
increased by 6.15%
1 Month
55.77%
increased by 5.40%
Analysis last updated: Friday, July 24, 2026 at 07:46 PM UTC
News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
Oct 31, 2005 to Jul 16, 2026Model Insight
Volatility shocks decay with a half-life of 46 trading days, meaning a shock loses half its impact after approximately 46 days. Returns follow a Student-t distribution with v = 3.80 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 | 9.6503 | 3.43*** |
α ARCH Response to squared shocks | 0.0798 | 30.52*** |
β GARCH Volatility persistence | 0.9850 | 218.95*** |
ν DF Student-t tail thickness | 3.7996 | 11.85*** |
Persistence:
0.985
Half-life:
46 days
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