V-Lab
Philippine Peso GJR-GARCH Volatility Analysis
Volatility prediction for Monday, July 27th, 2026
1 Day
3.21%
decreased by 0.08%
1 Week
3.27%
decreased by 0.02%
1 Month
3.48%
increased by 0.19%
Analysis last updated: Sunday, July 26, 2026 at 01:34 PM UTC
News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
Jan 31, 2001 to Jul 24, 2026Model Insight
Volatility shocks decay with a half-life of 50 trading days, meaning a shock loses half its impact after approximately 50 days.
σ
GJR-GARCH Model
Tap to view equation
| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 0.0013 | 22.37*** |
α ARCH Response to squared shocks | 0.0673 | 23.03*** |
β GARCH Volatility persistence | 0.9198 | 524.73*** |
γ leverage Additional response to negative shocks | -0.0016 | -0.32 |
Persistence:
0.986
Half-life:
50 days
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