Updated Daily — USDA AMS

Portage, WI Grain Cash Bids

Compare local elevator bids for corn, soybeans, and wheat near Portage, Columbia County.

Today's Cash Bids Near Portage, WI

Corn (CBOT Dec)
$4.82
Basis: −$0.18
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Soybeans (CBOT Nov)
$10.41
Basis: −$0.24
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Wheat (CBOT Jul)
$5.12
Basis: −$0.28
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Wisconsin State Avg
$4.76
Corn
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Local Elevator Market Context — Portage

South-central Wisconsin corn and soybean market. Columbia County is one of Wisconsin's top grain counties. Wisconsin River origination provides some water transport optionality.

Portage sits in Wisconsin's grain belt heartland — Columbia County consistently produces above-average corn and soybean yields. Wisconsin River barge access is limited but provides pricing reference for export optionality. Dairy feeding demand from surrounding counties creates strong local corn bid competition.

Cash bids for Portage area elevators are reported to USDA AMS through the Wisconsin Daily Grain Report. GrainBrief pulls this data every morning at 6:00 AM CT. Sign up free to see the current bid and historical basis chart for Portage.

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Understanding Portage Grain Basis

Grain basis is the difference between the local elevator cash bid and the nearby CBOT futures contract. For Portage, Columbia County, the basis reflects transportation costs to export terminals, local supply and demand balance, and elevator margin.

A strengthening basis (moving toward zero or positive) means local demand is increasing relative to futures — elevators are bidding more aggressively for your grain. A weakening basis means local supply is ample or export demand has softened.

Factors that affect Portage area basis include: proximity to river export terminals, local processor demand (ethanol, crush, livestock feeding), seasonal harvest pressure, and freight costs from this location to terminal markets.

Basis SignalWhat It MeansMarketing Implication
Basis narrows (strengthens) Local demand exceeding local supply; elevator bidding up Good time to sell — local pricing is strong relative to futures
Basis widens (weakens) Local supply ample; elevator has less urgency to buy Consider storing if carry is positive on futures — wait for demand signal
Basis vs. 5-yr average Compare current basis to historical seasonal pattern If current basis is stronger than average, seasonal advantage may not persist

Market Signals Affecting Portage Bids

CFTC COT — Managed Money
USDA Export Sales Pace
Ethanol Crush Margin
Soybean Crush Margin

More Wisconsin Grain Price Pages

Frequently Asked Questions — Portage Cash Bids

Where does GrainBrief get Portage cash bid data?

GrainBrief pulls daily grain cash bid data from USDA Agricultural Marketing Service (AMS) via their MARS API. The Wisconsin Daily Grain Report covers elevator bids reported throughout the state each morning. This is the same underlying data used by DTN, Barchart, and other commercial grain data providers.

How often is the Portage data updated?

GrainBrief ingests USDA AMS data daily at 6:00 AM CT. USDA typically publishes Wisconsin grain bids between 9:00 AM and noon local time. Create a free account to get email alerts when new bids are posted.

Can I submit a bid I heard at my local elevator?

Yes — use the What's Your Bid? form to anonymously submit your local elevator's cash bid. Your submission helps other farmers in Columbia County and surrounding areas benchmark whether they're getting a competitive price. No sign-in required and your IP address is never stored.

Page reviewed: 2026-06-03 Topic: portage wisconsin cash bids Sources: USDA AMS, local elevator bid context, futures basis relationships, freight, storage, and GrainBrief source-health checks

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