DelEqu · Investment · Richardson et al. (2005)

Change in equity to assets

Long minus short decile portfolio, value-weighted, market-adjusted. Quarterly, 1962Q3 to 2024Q4.

Expected return · posterior mean, % per year, averaged over the window
Next quarter
2026Q4
4.36%
95% interval −1.88% to 9.19%
Next year
2026Q4–2027Q3
4.42%
95% interval −1.76% to 9.19%
Next five years
2026Q4–2031Q3
4.65%
95% interval −1.33% to 9.25%

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

+2,518% since 1962Q3 · log scale

Past performance, annualized

Window Mean Vol. Sharpe t
1962Q3–2024Q4 6.49% 16.06% 0.40 3.20
2020Q1–2024Q4 2.16% 23.17% 0.09 0.21
2024Q1–2024Q4 −48.58% 8.46% −5.74 −5.74

Forecast Sharpe ratio, annualized

Window Mean 95% interval P(neg)
2026Q4 0.27 −0.12 – 0.57 0.08
2026Q4–2027Q3 0.27 −0.10 – 0.57 0.07
2026Q4–2031Q3 0.28 −0.06 – 0.58 0.06
Category
Investment
Form
Continuous
Data
Accounting
Sorted on
Low minus high
Names per leg
364 long / 428 short median · 116 at the 10th pctile
Original sample
1963–2001