VolSD · Liquidity · Chordia, Subra, Anshuman (2001)

Volume Variance

Long minus short decile portfolio, value-weighted, market-adjusted. Quarterly, 1927Q2 to 2024Q4.

Expected return · posterior mean, % per year, averaged over the window
Next quarter
2026Q4
4.14%
95% interval 2.12% to 6.14%
Next year
2026Q4–2027Q3
4.14%
95% interval 2.07% to 6.15%
Next five years
2026Q4–2031Q3
4.10%
95% interval 1.88% to 6.18%

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

+4,937% since 1927Q2 · log scale

Past performance, annualized

Window Mean Vol. Sharpe t
1927Q2–2024Q4 4.55% 10.23% 0.45 4.40
2020Q1–2024Q4 4.26% 10.19% 0.42 0.93
2024Q1–2024Q4 4.04% 11.15% 0.36 0.36

Forecast Sharpe ratio, annualized

Window Mean 95% interval P(neg)
2026Q4 0.41 0.21 – 0.60 <0.01
2026Q4–2027Q3 0.40 0.20 – 0.60 <0.01
2026Q4–2031Q3 0.38 0.16 – 0.59 <0.01
Category
Liquidity
Form
Continuous
Data
Trading
Sorted on
Low minus high
Names per leg
142 long / 142 short median · 66 at the 10th pctile
Original sample
1966–1995