EquityDuration · Valuation · Dechow, Sloan and Soliman (2004)

Equity Duration

Long minus short quintile portfolio, value-weighted, market-adjusted. Quarterly, 1963Q3 to 2024Q4.

Expected return · posterior mean, % per quarter
Next quarter
1.54%
95% interval 0.55% to 2.61%
Next year
1.56%
95% interval 0.49% to 2.63%
Next five years
1.62%
95% interval 0.31% to 2.76%

Cumulative market-adjusted return

+6,718% since 1963Q3 · log scale

Past performance, annualized

Window Mean Vol. Sharpe t
1963Q3–2024Q4 8.15% 15.94% 0.51 4.01
2020Q1–2024Q4 2.28% 18.97% 0.12 0.27
2024Q1–2024Q4 3.60% 11.25% 0.32 0.32

Forecast Sharpe ratio, per quarter

Horizon Mean 95% interval P(neg)
Next quarter 0.194 0.069 – 0.327 0.00
Next year 0.196 0.061 – 0.330 0.00
Next five years 0.203 0.039 – 0.346 0.01
Category
Valuation
Form
Continuous
Data
Accounting
Predicted sign
Negative
Original sample
1962–1998