V-Lab
Beijing Dalong Weiye Real Estate Development Co Ltd GAS-GARCH Student T Volatility Analysis
Volatility prediction for Tuesday, August 25th, 2026
1 Day
41.98%
decreased by 0.17%
1 Week
42.30%
increased by 0.15%
1 Month
43.43%
increased by 1.28%
Analysis last updated: Tuesday, August 25, 2026 at 05:58 PM UTC
News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
May 26, 1998 to Aug 21, 2026Model Insight
Volatility shocks decay with a half-life of 57 trading days, meaning a shock loses half its impact after approximately 57 days. Returns follow a Student-t distribution with v = 5.52 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 | 11.3714 | 5.44*** |
α ARCH Response to squared shocks | 0.0945 | 39.24*** |
β GARCH Volatility persistence | 0.9879 | 435.58*** |
ν DF Student-t tail thickness | 5.5210 | 10.92*** |
Persistence:
0.988
Half-life:
57 days
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