ShareIss1Y · External financing · Pontiff and Woodgate (2008)

Share issuance (1 year)

Long minus short decile portfolio, value-weighted, market-adjusted. Quarterly, 1927Q3 to 2024Q4.

Expected return · posterior mean, % per year, averaged over the window
Next quarter
2026Q4
7.15%
95% interval 3.81% to 9.83%
Next year
2026Q4–2027Q3
7.17%
95% interval 3.88% to 9.83%
Next five years
2026Q4–2031Q3
7.17%
95% interval 3.99% to 9.83%

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

+124,414% since 1927Q3 · log scale

Past performance, annualized

Window Mean Vol. Sharpe t
1927Q3–2024Q4 7.97% 11.24% 0.71 7.00
2020Q1–2024Q4 13.76% 16.13% 0.85 1.91
2024Q1–2024Q4 −7.45% 9.55% −0.78 −0.78

Forecast Sharpe ratio, annualized

Window Mean 95% interval P(neg)
2026Q4 0.64 0.34 – 0.88 <0.01
2026Q4–2027Q3 0.61 0.31 – 0.86 <0.01
2026Q4–2031Q3 0.56 0.25 – 0.82 <0.01
Category
External financing
Form
Continuous
Data
Accounting
Sorted on
Low minus high
Names per leg
446 long / 357.5 short median · 69 at the 10th pctile
Original sample
1970–2003