iomom_supp · Lead lag · Menzly and Ozbas (2010)

Suppliers momentum

Long minus short decile portfolio, value-weighted, market-adjusted. Quarterly, 1986Q2 to 2024Q4.

Expected return · posterior mean, % per year, averaged over the window
Next quarter
2026Q4
2.05%
95% interval −2.29% to 6.47%
Next year
2026Q4–2027Q3
2.05%
95% interval −2.39% to 6.53%
Next five years
2026Q4–2031Q3
2.03%
95% interval −2.80% to 6.77%

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

+103% since 1986Q2 · log scale

Past performance, annualized

Window Mean Vol. Sharpe t
1986Q2–2024Q4 2.91% 15.11% 0.19 1.20
2020Q1–2024Q4 2.46% 16.57% 0.15 0.33
2024Q1–2024Q4 −5.77% 8.84% −0.65 −0.65

Forecast Sharpe ratio, annualized

Window Mean 95% interval P(neg)
2026Q4 0.14 −0.15 – 0.43 0.18
2026Q4–2027Q3 0.13 −0.15 – 0.42 0.18
2026Q4–2031Q3 0.12 −0.15 – 0.41 0.20
Category
Lead lag
Form
Continuous
Data
Other
Sorted on
High minus low
Names per leg
431 long / 425 short median · 273 at the 10th pctile
Original sample
1986–2005