NPC GJR-GARCH Volatility Analysis
Volatility prediction for Thursday, May 21st, 2026
1 Day
29.32%
increased by 0.97%
1 Week
29.81%
increased by 1.46%
1 Month
31.67%
increased by 3.32%
Analysis last updated: Thursday, May 21, 2026 at 08:12 PM UTC
News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
| param | t-stat | |
|---|---|---|
| 0.0739 | 11.28 | |
| 0.0771 | 17.32 | |
| 0.9207 | 343.69 | |
| -0.0047 | -0.65 |
Estimation Period:
Jan 3, 1990 to May 15, 2026
Jan 3, 1990 to May 15, 2026
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