OperProf · Profitability · Fama and French (2006)

operating profits / book equity

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

Expected return · posterior mean, % per year, averaged over the window
Next quarter
2026Q4
6.81%
95% interval 2.72% to 10.81%
Next year
2026Q4–2027Q3
6.73%
95% interval 2.62% to 10.78%
Next five years
2026Q4–2031Q3
6.42%
95% interval 2.22% to 10.62%

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

+2,905% since 1963Q3 · log scale

Past performance, annualized

Window Mean Vol. Sharpe t
1963Q3–2024Q4 6.71% 15.13% 0.44 3.48
2020Q1–2024Q4 12.64% 11.19% 1.13 2.53
2024Q1–2024Q4 13.41% 13.42% 1.00 1.00

Forecast Sharpe ratio, annualized

Window Mean 95% interval P(neg)
2026Q4 0.45 0.18 – 0.72 <0.01
2026Q4–2027Q3 0.43 0.17 – 0.68 <0.01
2026Q4–2031Q3 0.37 0.12 – 0.61 <0.01
Category
Profitability
Form
Continuous
Data
Accounting
Sorted on
High minus low
Names per leg
194 long / 184 short median · 77.7 at the 10th pctile
Original sample
1977–2003