Skip to main content
V-Lab

Bloomberg US HiYld RBI(SM) Series 1 Total Return Index Unhedged USD GJR-GARCH Volatility Analysis

High-persistence model: shocks decay very slowly, so the theoretical long-run value may not be practically meaningful

Volatility prediction for Friday, May 22nd, 2026

1 Day

4.55%

decreased by 0.20%

1 Week

4.63%

decreased by 0.12%

1 Month

4.95%

increased by 0.20%

Analysis last updated: Saturday, May 23, 2026 at 01:57 AM UTC

Date Range:

from

to

6M ·

1Y ·

2Y ·

5Y ·

10Y ·

All

graph of Bloomberg US HiYld RBI(SM) Series 1 Total Return Index Unhedged USD GJR-GARCH

News Impact Curve

How returns affect tomorrow's volatility

Volatility Forecast

How volatility evolves over time
paramt-stat
ω0.001512.59
α0.03879.96
β0.8998271.20
γ0.123011.95
Estimation Period:
Aug 31, 2009 to Apr 4, 2025