V-Lab
Inpex Corp MEM Volatility Analysis
Volatility prediction for Friday, August 7th, 2026
1 Day
36.45%
decreased by 0.86%
1 Week
36.64%
decreased by 0.67%
1 Month
37.25%
decreased by 0.06%
Analysis last updated: Friday, August 7, 2026 at 07:26 PM UTC
News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
Nov 17, 2004 to Jul 31, 2026Model Insight
Volatility shocks decay with a half-life of 21 trading days, meaning a shock loses half its impact after approximately 21 days.
μ
MEM Model
Tap to view equation
| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 0.1960 | 13.57*** |
α ARCH Response to squared shocks | 0.2171 | 44.29*** |
β GARCH Volatility persistence | 0.7511 | 207.14*** |
Persistence:
0.968
Half-life:
21 days
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