Norwegian Krone APARCH Volatility Analysis
Volatility prediction for Monday, October 26th, 2026
1 Day
6.32%
1 Week
6.37%
1 Month
6.57%
Analysis last updated: Sunday, October 25, 2026 at 03:04 PM UTC
News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
Jan 2, 1990 to Oct 23, 2026Model Insight
With persistence 0.995, volatility shocks have a half-life of 134 trading days (~0.5 years), close to a unit root, so long-run forecasts are highly sensitive to this estimate. The volatility power δ = 1.82 sits below 2, so large shocks influence volatility less than quadratically, a more outlier-robust response than standard GARCH.
APARCH Model
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| Param | Value | t-stat |
|---|---|---|
| ωconst | 0.0024 | 3.55*** |
| αARCH | 0.0318 | 6.43*** |
| βGARCH | 0.9649 | 192.94*** |
| γleverage | -0.0507 | -0.72 |
| δpower | 1.8185 | 8.34*** |
0.995
Persistence134d
Half-lifeAPARCH Model
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| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 0.0024 | 3.55*** |
α ARCH Response to squared shocks | 0.0318 | 6.43*** |
β GARCH Volatility persistence | 0.9649 | 192.94*** |
γ leverage Additional response to negative shocks | -0.0507 | -0.72 |
δ power Transformation power | 1.8185 | 8.34*** |
Persistence:
0.995
Half-life:
134 days
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