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The nation's #1 corn-producing state with 12–13 million acres planted annually.
Winter wheat in Iowa is planted in September–October and harvested June–July. Spring wheat states plant April–May and harvest August–September. The USDA Wheat Outlook is released monthly in the WASDE report.
Understanding Iowa Wheat Basis
Iowa typically runs a 5–20¢ negative basis on corn, meaning cash prices are 5–20¢ below CME December futures. Harvest lows typically hit October–November.
When and how to use basis in your marketing plan: Wheat has a longer marketing window than corn or soybeans due to its storage characteristics. New-crop forward sales (January–March HTA contracts) often capture seasonal premium before the June harvest pressure.
What Drives Iowa Wheat Prices
- CBOT ZW Futures: The national price benchmark. Local cash prices = futures + basis. Watch nearby and deferred futures spreads (carry structure) to determine whether the market is rewarding or penalizing storage.
- USDA FAS Export Sales: Released every Thursday at 8:30am ET. Strong export commitments — especially to China — typically move futures and local bids within 24 hours.
- CFTC COT Positioning: Large speculative funds (managed money) net position in ZW futures is a 2–4 week leading indicator of price direction. Extreme net-short positions often precede short-covering rallies.
- USDA WASDE Report: Monthly supply/demand revision. Carryout-to-use ratio changes of more than 5% typically move prices $0.10–$0.30/bu within minutes of the noon ET release.
- Weather: Drought stress (NOAA Drought Monitor D2+) during critical growth stages is historically the largest single-day market mover. Iowa producers should track Corn Belt drought coverage weekly May–August.