US Dollar to Russian Ruble GAS-GARCH Student T Volatility Analysis
Volatility prediction for Monday, October 19th, 2026
1 Day
20.10%
decreased by 1.48%
1 Week
20.13%
decreased by 1.45%
1 Month
20.25%
decreased by 1.33%
Analysis last updated: Sunday, October 18, 2026 at 03:09 PM UTC
Press Delete or Backspace to remove this series.
News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
Jan 5, 1996 to Oct 16, 2026Model Insight
With persistence 0.999, volatility shocks have a half-life of 537 trading days (~2.1 years), close to a unit root, so long-run forecasts are highly sensitive to this estimate. Returns follow a Student-t distribution with v = 2.13 degrees of freedom, capturing fatter tails than a normal distribution.
𝑓
GAS-GARCH-T Model
Tap to view equation
High persistence: persistence 0.999, shock half-life ~537 daysv = 2.13 · fat tails
| Param | Value | t-stat |
|---|---|---|
| ωconst | 3.5450 | 3.27*** |
| αARCH | 0.0558 | 36.34*** |
| βGARCH | 0.9987 | 2,728.72*** |
| νDF | 2.1302 | 907.26*** |
0.999
Persistence537d
Half-life𝑓
GAS-GARCH-T Model
Tap to view equation
| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 3.5450 | 3.27*** |
α ARCH Response to squared shocks | 0.0558 | 36.34*** |
β GARCH Volatility persistence | 0.9987 | 2,728.72*** |
ν DF Student-t tail thickness | 2.1302 | 907.26*** |
Persistence:
0.999
Half-life:
537 days
Other US Dollar to Russian Ruble Analyses
Other GAS-GARCH Student T Analyses on Currencies