Indonesia Prima Prop (Pt) EGARCH Volatility Analysis
Volatility prediction for Tuesday, July 21st, 2026
1 Day
104.84%
increased by 32.25%
1 Week
108.46%
increased by 35.87%
1 Month
120.28%
increased by 47.69%
Analysis last updated: Tuesday, July 21, 2026 at 08:09 PM UTC
News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
Jul 31, 1992 to Jul 17, 2026Model Insight
This asset exhibits a modest leverage effect: negative returns increase next-day volatility 40% more than equivalent positive returns.
σ
EGARCH Model
Tap to view equation
| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 0.2108 | 15.49*** |
α ARCH Response to squared shocks | 0.2506 | 23.06*** |
β GARCH Volatility persistence | 0.9534 | 252.43*** |
γ leverage Additional response to negative shocks | -0.0414 | -5.43*** |
Persistence:
0.953
Half-life:
15 days
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