Understanding Grain Basis (and When It Pays to Wait)

You can nail the futures market and still leave money on the table if you ignore basis. Basis is the gap between your local cash price and the futures board — and it's where a surprising amount of your final price is won or lost. The good news: basis is more predictable than the flat price, which makes it one of the few edges a farmer can actually work.

What is basis, exactly?

Basis reflects everything local: transportation to end users, local supply and demand, storage availability, and how badly the elevator wants your grain right now. Because those forces are regional and seasonal, basis tends to follow patterns you can learn — unlike the flat futures price, which reacts to global news.

Why basis moves

• •Harvest pressure — when everyone delivers at once, elevators widen (weaken) basis because they're flooded.
• •Local demand — a nearby ethanol plant, feedlot or processor bidding for bushels strengthens basis.
• •Transportation & logistics — rail, river and freight costs move basis, sometimes sharply.
• •Storage space — when commercial storage fills up, basis weakens to discourage more deliveries.

How to tell if basis is weak or strong

A number in isolation tells you nothing. Compare today's basis to its own history for this week of the year — a 3–5 year average is ideal. If today's basis is well below (weaker than) that average, it's historically weak and has room to improve. If it's above the average, it's historically strong — often a signal to capture it.

Flat price tells you what the world thinks. Basis tells you what your local market is willing to pay today — and that's the number on your check.

Using basis to time your sales

1. Weak basis, carry in the market → consider storing and waiting for basis to strengthen, or use a basis contract to lock the (strong) futures while leaving basis open to improve.
2. Strong basis → capture it. Sell cash, or use a hedge-to-arrive (HTA) contract to lock the strong basis while keeping the futures open if you're bullish price.
3. Weak basis and an inverted market → the market is telling you to sell; don't store into it just because basis is weak.

Basis contracts vs. HTA — the quick version

A basis contract locks the basis now and sets the futures later — use it when basis is strong and you think futures will rise. A hedge-to-arrive locks the futures now and sets basis later — use it when futures are strong and you expect basis to improve. Knowing which lever you're pulling keeps you from accidentally locking the weak side of the trade.

Track basis without a spreadsheet

AssortIQ tracks basis and carry for every commodity in your operation and folds it into a clear Sell / Store / Hedge recommendation — so you're never pricing blind. Preview it on a live agriculture demo, free.