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V-Lab

US Dollar to Singapore Dollar GJR-GARCH Volatility Analysis

Volatility prediction for Monday, July 27th, 2026

1 Day

2.60%

decreased by 0.04%

1 Week

2.64%

increased by 0.00%

1 Month

2.78%

increased by 0.14%

Analysis last updated: Sunday, July 26, 2026 at 02:56 PM UTC

Date Range:

from

to

6M ·

1Y ·

2Y ·

5Y ·

10Y ·

All

graph of US Dollar to Singapore Dollar GJR-GARCH

News Impact Curve

How returns affect tomorrow's volatility

Volatility Forecast

How volatility evolves over time

Parameter Estimates

Jan 2, 1990 to Jul 24, 2026

Model Insight

With persistence 0.993, volatility shocks have a half-life of 95 trading days (~0.4 years), close to a unit root, so long-run forecasts are highly sensitive to this estimate.

Inverse leverage: Positive returns increase volatility 55% more than negative returns

σ

GJR-GARCH Model

Tap to view equation

ParameterValuet-statistic
ω

const

Unconditional variance weight

0.0006
19.23***
α

ARCH

Response to squared shocks

0.0565
22.76***
β

GARCH

Volatility persistence

0.9463
727.91***
γ

leverage

Additional response to negative shocks

-0.0201
-5.73***

Persistence:

0.993

Half-life:

95 days