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V-Lab

Leonardo Drs Inc Zero Slope Spline-GARCH Volatility Analysis

Volatility prediction for Wednesday, September 16th, 2026

1 Day

34.25%

increased by 3.84%

1 Week

36.38%

increased by 5.97%

1 Month

41.04%

increased by 10.63%

Analysis last updated: Wednesday, September 16, 2026 at 02:26 AM UTC

Date Range:

from

to

6M ·

1Y ·

2Y ·

5Y ·

10Y ·

All

graph of Leonardo Drs Inc S0GARCH

News Impact Curve

How returns affect tomorrow's volatility

Volatility Forecast

How volatility evolves over time

Parameter Estimates

Apr 1, 1993 to Sep 11, 2026

Model Insight

This model fits a time-varying baseline (a spline), so volatility mean-reverts toward a slowly-shifting long-run level rather than a constant. Short-run deviations decay with a half-life of 8 trading days.

τ

Zero Slope Spline-GARCH Model

Tap to view equation

Time-varying baseline: volatility reverts to a slowly-shifting spline trend
ParamValuet-stat
ωconst0.8636
7.33***
αARCH0.1725
7.48***
βGARCH0.7444
24.36***
γi Spline Coefficients
K=4
γ1-0.0299
-3.28***
γ20.0500
3.72***
γ3-0.0409
-4.45***
γ40.0325
4.82***

0.917

Persistence

8d

Half-life
τ

Zero Slope Spline-GARCH Model

Tap to view equation

ParameterValuet-statistic
ω

const

Unconditional variance weight

0.8636
7.33***
α

ARCH

Response to squared shocks

0.1725
7.48***
β

GARCH

Volatility persistence

0.7444
24.36***
γi Spline Coefficients
K=4
γ1-0.0299
-3.28***
γ20.0500
3.72***
γ3-0.0409
-4.45***
γ40.0325
4.82***

Persistence:

0.917

Half-life:

8 days