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V-Lab

iShares Nasdaq Premium Income Active ETF GJR-GARCH Volatility Analysis

High-persistence model: shocks decay very slowly, so the theoretical long-run value may not be practically meaningful

Volatility prediction for Monday, July 27th, 2026

1 Day

26.23%

increased by 0.05%

1 Week

26.35%

increased by 0.17%

1 Month

26.81%

increased by 0.63%

Analysis last updated: Saturday, July 25, 2026 at 02:20 AM UTC

Date Range:

from

to

6M ·

All

graph of iShares Nasdaq Premium Income Active ETF GJR-GARCH

News Impact Curve

How returns affect tomorrow's volatility

Volatility Forecast

How volatility evolves over time

Parameter Estimates

Dec 3, 2025 to Jul 24, 2026
Boundary Parameters
Hessian SE

Model Insight

Estimated persistence of 1.000 is at or above 1 (non-stationary): volatility shocks do not decay and the long-run variance is undefined, so long-horizon forecasts should be treated with caution.

σ

GJR-GARCH Model

Tap to view equation

ParameterValuet-statistic
ω

const

Unconditional variance weight

0.0122
0.00
α

ARCH

Response to squared shocks

0.0000
0.00
β

GARCH

Volatility persistence

1.0000
0.35
γ

leverage

Additional response to negative shocks

0.0000
0.00

Persistence:

1.000

Half-life:

-