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V-Lab

Principal Focused Blue Chip ETF MF2-GARCH Volatility Analysis

Volatility prediction for Tuesday, July 21st, 2026

1 Day

19.26%

decreased by 0.83%

1 Week

19.28%

decreased by 0.81%

1 Month

21.41%

increased by 1.32%

Analysis last updated: Tuesday, July 21, 2026 at 02:15 AM UTC

Date Range:

from

to

6M ·

1Y ·

2Y ·

All

graph of Principal Focused Blue Chip ETF MF2-GARCH

News Impact Curve

How returns affect tomorrow's volatility

Volatility Forecast

How volatility evolves over time

Parameter Estimates

Jul 13, 2023 to Jul 17, 2026

Model Insight

Volatility shocks decay with a half-life of 50 trading days, meaning a shock loses half its impact after approximately 50 days.

σ

MF2-GARCH Model

Tap to view equation

ParameterValuet-statistic
m

window

Rolling window length

21
α

ARCH

Response to squared shocks

0.0000
0.00
β

GARCH

Volatility persistence

0.9730
43.36***
γ

leverage

Additional response to negative shocks

0.0267
0.58
λ₁

tau intercept

Baseline long-term coefficient

0.6941
0.08
λ₂

forecast adj.

Forecast performance sensitivity

0.8770
0.11
λ₃

tau persistence

Long-term factor persistence

0.0000
0.00

Persistence:

0.986

Half-life:

50 days