betaVIX · Volatility · Ang et al. (2006)

Systematic volatility

Long minus short decile portfolio, value-weighted, market-adjusted. Quarterly, 1986Q2 to 2024Q4.

Expected return · posterior mean, % per year, averaged over the window
Next quarter
2026Q4
9.77%
95% interval 4.56% to 14.86%
Next year
2026Q4–2027Q3
9.65%
95% interval 4.47% to 14.75%
Next five years
2026Q4–2031Q3
9.15%
95% interval 3.90% to 14.35%

Forecast made 16 Sep 2026, conditioning on this portfolio's OAP returns, which end 2024Q4. The 7 quarters between then and 2026Q4 are unobserved and are integrated out under the model.

Cumulative market-adjusted return

+2,801% since 1986Q2 · log scale

Past performance, annualized

Window Mean Vol. Sharpe t
1986Q2–2024Q4 10.02% 16.33% 0.61 3.82
2020Q1–2024Q4 24.29% 18.31% 1.33 2.97
2024Q1–2024Q4 10.48% 18.73% 0.56 0.56

Forecast Sharpe ratio, annualized

Window Mean 95% interval P(neg)
2026Q4 0.60 0.28 – 0.92 <0.01
2026Q4–2027Q3 0.57 0.27 – 0.85 <0.01
2026Q4–2031Q3 0.48 0.20 – 0.77 <0.01
Category
Volatility
Form
Continuous
Data
Price
Sorted on
Low minus high
Names per leg
695 long / 694 short median · 627.6 at the 10th pctile
Original sample
1986–2000