The study examines if a storage strategy based on the cash-futures basis (the basis strategy) has been profitable over the 1975-2012 crop years for Illinois corn and soybeans. The study first examines the means and standard deviations of annual net storage returns obtained from hedged and unhedged storage when routinely storing each year and when using the basis strat- egy. For both the period of higher commodity prices since 2005 and the pre-2006 period, the basis strategy is found to (1) improve net returns to hedged but not unhedged storage and (2) lower the return risk for both hedged and unhedged storage. Previous studies have not exam- ined the basis strategy's impact on the return risk for unhedged storage. To further investigate the performance of the basis strategy in these two periods, the performance of the expected net return to storage in forecasting the observed net storage return is examined. Given the panel structure of the data, a Fixed E_x000B_ects (FE) model was chosen to estimate since the re- gion speci_x000C_c e_x000B_ects are of interest. However, signi_x000C_cant cross-equation correlations are found in the disturbances, a characteristic not investigated in previous studies. Thus, a Fixed E_x000B_ects (FE) Panel Seemingly Unrelated Regressions (PSUR) is estimated. Forecast performance of the observed net storage return by the expected net storage return was found to be unbiased in the pre-2006 period. Forecast performance deteriorated somewhat in the post-2006 period as some forecasts were found to be biased. The decline in forecast performance is consistent with during some of the years since 2006.