Cita APA (7a ed.)

Zhang, C. (2026). A Nontrivial Upper Bound on the Out-of-Sample $R^2$ in Return Forecasting.

Cita Chicago Style (17a ed.)

Zhang, Cheng. A Nontrivial Upper Bound on the Out-of-Sample $R^2$ in Return Forecasting. 2026.

Cita MLA (9a ed.)

Zhang, Cheng. A Nontrivial Upper Bound on the Out-of-Sample $R^2$ in Return Forecasting. 2026.