US Dollar to South Korean Won APARCH Volatility Analysis
High-persistence model: shocks decay very slowly, so the theoretical long-run value may not be practically meaningful
Volatility prediction for Monday, June 15th, 2026
1 Day
10.30%
decreased by 0.25%
1 Week
10.30%
decreased by 0.25%
1 Month
10.31%
decreased by 0.24%
Analysis last updated: Sunday, June 14, 2026 at 01:41 PM UTC
News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
| param | t-stat | |
|---|---|---|
| 0.0001 | 10.23 | |
| 0.0489 | 31.34 | |
| 0.9466 | 862.91 | |
| -0.0982 | -8.66 | |
| 2.1964 | 42.47 |
Estimation Period:
May 30, 1990 to Jun 12, 2026
May 30, 1990 to Jun 12, 2026
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