Data: gold/brazil_corn_premium_vs_supply.parquet
The base model predicts detrended Aug+Sep Corn FOB Brazil M2 basis (AG-CRN-0072) from Brazil total supply minus domestic consumption. The second chart adds the M2 time trend back to show actual ¢/bu values and the July 2027 forecast using Brazil 2026/27 PSD data. The bottom chart models the base-model residual from September U.S. corn stocks, followed by the same residual against the Aug+Sep U.S. Gulf FOB corn premium.