V-Lab
Pngs Reva Diamond Jewellery Ltd Asy. MEM Volatility Analysis
Volatility prediction for Wednesday, August 5th, 2026
1 Day
134.02%
increased by 42.70%
1 Week
129.70%
increased by 38.38%
1 Month
116.25%
increased by 24.93%
Analysis last updated: Wednesday, August 5, 2026 at 07:08 PM UTC
News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
Mar 4, 2026 to Jul 31, 2026Model Insight
This asset shows a rare inverse leverage effect: volatility responds almost entirely to positive returns, rising far more after gains than after losses. This is the reverse of the usual leverage effect, rare among risky assets.
μ
AMEM Model
Tap to view equation
| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 1.2378 | 2.45** |
α ARCH Response to squared shocks | 0.2271 | 4.18*** |
β GARCH Volatility persistence | 0.8156 | 27.30*** |
γ leverage Additional response to negative shocks | -0.1871 | -3.14*** |
Persistence:
0.949
Half-life:
13 days
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