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V-Lab

Calamos S&P 500 ST AL PR ETF MF2-GARCH Volatility Analysis

Volatility prediction for Wednesday, August 26th, 2026

1 Day

1.44%

unchanged at 0.00%

1 Week

1.51%

increased by 0.07%

1 Month

1.53%

increased by 0.09%

Analysis last updated: Wednesday, August 26, 2026 at 02:19 AM UTC

Date Range:

from

to

6M ·

1Y ·

All

graph of Calamos S&P 500 ST AL PR ETF MF2-GARCH

News Impact Curve

How returns affect tomorrow's volatility

Volatility Forecast

How volatility evolves over time

Parameter Estimates

Apr 1, 2025 to Aug 21, 2026

Model Insight

This asset exhibits a strong leverage effect: volatility responds almost entirely to negative shocks. The ARCH response to positive shocks is negligible.

σ

MF2-GARCH Model

Tap to view equation

ParameterValuet-statistic
m

window

Rolling window length

126
α

ARCH

Response to squared shocks

0.0000
0.01
β

GARCH

Volatility persistence

0.0000
0.00
γ

leverage

Additional response to negative shocks

0.2297
3.15***
λ₁

tau intercept

Baseline long-term coefficient

0.0093
0.00
λ₂

forecast adj.

Forecast performance sensitivity

0.0000
0.00
λ₃

tau persistence

Long-term factor persistence

0.0000
0.00

Persistence:

0.115

Half-life:

0 days