RDS · Composite accounting · Landsman et al. (2011)

Real dirty surplus

Long minus short quintile portfolio, value-weighted, market-adjusted. Quarterly, 1973Q3 to 2024Q4.

Expected return · posterior mean, % per quarter
Next quarter
0.19%
95% interval −0.44% to 0.80%
Next year
0.21%
95% interval −0.41% to 0.79%
Next five years
0.24%
95% interval −0.35% to 0.80%

The original paper used a sort or weighting that matches no uniform quintile or decile portfolio. Original paper: custom sort shows that series.

Cumulative market-adjusted return

+54% since 1973Q3 · log scale

Past performance, annualized

Window Mean Vol. Sharpe t
1973Q3–2024Q4 1.18% 8.31% 0.14 1.02
2020Q1–2024Q4 −0.85% 10.57% −0.08 −0.18
2024Q1–2024Q4 −7.43% 8.11% −0.92 −0.92

Forecast Sharpe ratio, per quarter

Horizon Mean 95% interval P(neg)
Next quarter 0.047 −0.107 – 0.192 0.26
Next year 0.049 −0.100 – 0.190 0.25
Next five years 0.057 −0.084 – 0.193 0.20
Category
Composite accounting
Form
Continuous
Data
Accounting
Predicted sign
Positive
Original sample
1976–2003