ICE BofAML U.S. Bond Market Option Volatility Estimate Index MF2-GARCH Volatility Analysis
Volatility prediction for Wednesday, October 21st, 2026
1 Day
65.18%
1 Week
69.34%
1 Month
74.11%
Analysis last updated: Wednesday, October 21, 2026 at 04:06 AM UTC
News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
Jan 2, 1990 to Oct 16, 2026Model Insight
This asset shows a rare inverse leverage effect: positive returns raise next-day volatility 196% more than negative returns. Volatility rises more after gains than after losses, the reverse of the usual leverage effect and uncommon among risky assets.
MF2-GARCH Model
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| Param | Value | t-stat |
|---|---|---|
| mwindow | 21 | |
| αARCH | 0.1653 | 8.02*** |
| βGARCH | 0.7234 | 20.95*** |
| γleverage | -0.1095 | -3.97*** |
| λ₁tau intercept | 0.0555 | 1.69* |
| λ₂forecast adj. | 0.0117 | 3.14*** |
| λ₃tau persistence | 0.9852 | 194.74*** |
0.834
Persistence4d
Half-lifeMF2-GARCH Model
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| Parameter | Value | t-statistic |
|---|---|---|
m window Rolling window length | 21 | |
α ARCH Response to squared shocks | 0.1653 | 8.02*** |
β GARCH Volatility persistence | 0.7234 | 20.95*** |
γ leverage Additional response to negative shocks | -0.1095 | -3.97*** |
λ₁ tau intercept Baseline long-term coefficient | 0.0555 | 1.69* |
λ₂ forecast adj. Forecast performance sensitivity | 0.0117 | 3.14*** |
λ₃ tau persistence Long-term factor persistence | 0.9852 | 194.74*** |
Persistence:
0.834
Half-life:
4 days
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