Ningbo Daye Garden Machinery Co Ltd APARCH Volatility Analysis
Volatility prediction for Tuesday, July 14th, 2026
1 Day
51.44%
increased by 2.92%
1 Week
52.40%
increased by 3.88%
1 Month
54.77%
increased by 6.25%
Analysis last updated: Tuesday, July 14, 2026 at 06:23 PM UTC
News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
Sep 1, 2020 to Jul 10, 2026Model Insight
This asset shows a rare inverse leverage effect: positive returns raise next-day volatility 117% 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
APARCH Model
Tap to view equation
| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 0.8870 | 5.66*** |
α ARCH Response to squared shocks | 0.1228 | 7.99*** |
β GARCH Volatility persistence | 0.8036 | 67.71*** |
γ leverage Additional response to negative shocks | -0.1983 | -5.75*** |
δ power Transformation power | 1.9289 | 11.21*** |
Persistence:
0.928
Half-life:
9 days
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