Grab Holdings Limited GAS-GARCH Student T Volatility Analysis
Volatility prediction for Monday, July 13th, 2026
1 Day
46.12%
decreased by 1.95%
1 Week
46.26%
decreased by 1.81%
1 Month
46.76%
decreased by 1.31%
Analysis last updated: Friday, July 10, 2026 at 10:06 PM UTC
News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
Oct 1, 2020 to Jul 10, 2026Model Insight
Volatility shocks decay with a half-life of 52 trading days, meaning a shock loses half its impact after approximately 52 days. Returns follow a Student-t distribution with v = 3.47 degrees of freedom, capturing fatter tails than a normal distribution.
𝑓
GAS-GARCH-T Model
Tap to view equation
| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 10.3701 | 5.30*** |
α ARCH Response to squared shocks | 0.0844 | 37.04*** |
β GARCH Volatility persistence | 0.9868 | 373.65*** |
ν DF Student-t tail thickness | 3.4748 | 27.22*** |
Persistence:
0.987
Half-life:
52 days
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