V-Lab
Asia Pacific No 8 Ship Investment Co Ltd Zero Slope Spline-GARCH Volatility Analysis
Inactive
Last recorded values (Thursday, January 29th, 2015):
1 Day
3,499.34%
1 Week
3,518.03%
1 Month
3,591.16%
Analysis last updated: Tuesday, September 1, 2026 at 07:32 PM UTC
News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
Feb 15, 2005 to Jan 28, 2015Model Insight
With persistence 0.999, volatility shocks have a half-life of 530 trading days (~2.1 years), close to a unit root, so long-run forecasts are highly sensitive to this estimate.
τ
Zero Slope Spline-GARCH Model
Tap to view equation
High persistence: persistence 0.999, shock half-life ~530 days
| Param | Value | t-stat |
|---|---|---|
| ωconst | 0.4310 | 1.96** |
| αARCH | 0.1783 | 6.07*** |
| βGARCH | 0.8203 | 27.47*** |
Spline Coefficients
K=10
| γ1 | -0.2366 | -0.06 |
| γ2 | -1.4899 | -0.21 |
| γ3 | 4.5302 | 0.63 |
| γ4 | -7.0506 | -1.11 |
| γ5 | 10.0347 | 2.16** |
| γ6 | -12.5231 | -2.42** |
| γ7 | 15.4688 | 2.09** |
| γ8 | -22.8414 | -2.27** |
| γ9 | 34.4279 | 2.43** |
| γ10 | -31.7640 | -2.53** |
0.999
Persistence530d
Half-lifeτ
Zero Slope Spline-GARCH Model
Tap to view equation
| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 0.4310 | 1.96** |
α ARCH Response to squared shocks | 0.1783 | 6.07*** |
β GARCH Volatility persistence | 0.8203 | 27.47*** |
Spline Coefficients
K=10
| γ1 | -0.2366 | -0.06 |
| γ2 | -1.4899 | -0.21 |
| γ3 | 4.5302 | 0.63 |
| γ4 | -7.0506 | -1.11 |
| γ5 | 10.0347 | 2.16** |
| γ6 | -12.5231 | -2.42** |
| γ7 | 15.4688 | 2.09** |
| γ8 | -22.8414 | -2.27** |
| γ9 | 34.4279 | 2.43** |
| γ10 | -31.7640 | -2.53** |
Persistence:
0.999
Half-life:
530 days
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