V-Lab
GraniteShares YieldBoost HIMS ETF MF2-GARCH Volatility Analysis
Volatility prediction for Monday, July 27th, 2026
1 Day
28.16%
decreased by 0.38%
1 Week
32.89%
increased by 4.35%
1 Month
36.93%
increased by 8.39%
Analysis last updated: Saturday, July 25, 2026 at 02:21 AM UTC
News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
Dec 2, 2025 to Jul 24, 2026Boundary Parameters
Model Insight
This asset shows a rare inverse leverage effect: volatility responds almost entirely to positive returns, rising far more after gains than after losses. This is the reverse of the usual leverage effect, rare among risky assets.
σ
MF2-GARCH Model
Tap to view equation
| Parameter | Value | t-statistic |
|---|---|---|
m window Rolling window length | 36 | |
α ARCH Response to squared shocks | 0.5000 | 171.88*** |
β GARCH Volatility persistence | 0.0000 | 0.00 |
γ leverage Additional response to negative shocks | -0.5000 | -60.86*** |
λ₁ tau intercept Baseline long-term coefficient | 1.1353 | 0.05 |
λ₂ forecast adj. Forecast performance sensitivity | 0.4012 | 0.11 |
λ₃ tau persistence Long-term factor persistence | 0.5988 | 0.12 |
Persistence:
0.250
Half-life:
1 days
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