Skip to main content
V-Lab

NBI Canadian Core Plus Bond Fund GAS-GARCH Student T Volatility Analysis

Volatility prediction for Tuesday, July 28th, 2026

1 Day

5.47%

unchanged at 0.00%

1 Week

5.47%

unchanged at 0.00%

1 Month

5.47%

unchanged at 0.00%

Analysis last updated: Tuesday, July 28, 2026 at 09:22 AM UTC

Date Range:

from

to

6M ·

All

graph of NBI Canadian Core Plus Bond Fund GAS-GARCH-T

News Impact Curve

How returns affect tomorrow's volatility

Volatility Forecast

How volatility evolves over time

Parameter Estimates

Oct 22, 2025 to Jul 24, 2026

Model Insight

With persistence 0.999, volatility shocks have a half-life of 675 trading days (~2.7 years), close to a unit root, so long-run forecasts are highly sensitive to this estimate. Returns follow a Student-t distribution with v = 27.33 degrees of freedom, capturing fatter tails than a normal distribution.

𝑓

GAS-GARCH-T Model

Tap to view equation

ParameterValuet-statistic
ω

const

Unconditional variance weight

0.1188
0.37
α

ARCH

Response to squared shocks

0.0000
0.00
β

GARCH

Volatility persistence

0.9990
11.66***
ν

DF

Student-t tail thickness

27.3289
0.55

Persistence:

0.999

Half-life:

675 days