V-Lab
Pngs Reva Diamond Jewellery Ltd Spline-GARCH Volatility Analysis
Volatility prediction for Wednesday, August 5th, 2026
1 Day
101.07%
increased by 62.89%
1 Week
57.80%
increased by 19.62%
1 Month
40.54%
increased by 2.36%
Analysis last updated: Wednesday, August 5, 2026 at 07:09 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 model fits a time-varying baseline (a spline), so volatility mean-reverts toward a slowly-shifting long-run level rather than a constant.
τ
Spline-GARCH Model
Tap to view equation
| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 1.2783 | 3.69*** |
α ARCH Response to squared shocks | 0.1828 | 1.43 |
β GARCH Volatility persistence | 0.0000 | 0.00 |
Spline Coefficients
K=1
| γ1 | -1.0122 | -0.06 |
Persistence:
0.183
Half-life:
0 days
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