For much of the period since the U.S.–Iran war started, commodity markets have been buoyed by macroeconomic “risk on” buying fueled by the geopolitical risk and crude oil’s rally. Recently, the impact of this risk and crude oil on the ag markets has faded, leaving crop futures to drift lower.  Now, values are rising again but for reasons unrelated to the conflict. Weather concerns, particularly for the Brazilian safrinha corn and U.S. winter wheat crops, are adding risk premia to prices while the vegoil and oilseed complex is facing an unprecedented expansion of global biofuel demand. Asia in particular is looking to expand biofuel use in response to the supply reductions created by the Strait of Hormuz blockade...