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Futures, Indices, and Commodities · Calendar Spreads and Basis

Contango: when later is more expensive

Define contango and understand why a futures curve where back months trade above front months is the normal state for storable commodities.

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Futures, Indices, and Commodities

Calendar Spreads and Basis

Lesson 35 of 4971%
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Lesson 35 of 49Futures, Indices, and CommoditiesCalendar Spreads and Basis

Today's tiny win: make one idea click.

Define contango and understand why a futures curve where back months trade above front months is the normal state for storable commodities.

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The cost of waiting

Contango is the technical name for a futures curve that slopes upward. If you line up every expiration month from soonest to furthest, and each month's contract trades a little higher than the one before it, the market is in contango. December 2025 crude at 72 dollars, March 2026 at 73, June 2026 at 73.50, December 2026 at 74. The line tilts up. That's contango.

The reason the curve tilts upward isn't a mistake or a forecast. It's economics. If you hold a physical barrel of oil today, you're paying for it: storage tank rent, insurance, the financing cost of having capital tied up. Roll that out three months and those costs add up. So anyone who would sell you a barrel three months from now wants to be compensated for storing it. The future price has to cover those carry costs, or the seller loses money. Add up the storage plus financing plus insurance, and you get roughly the gap between spot and the three-month futures price.

Wick pays a coin at a toll gate labeled Storage for tank rent plus insurance and financing, showing that carry costs are why later futures months usually cost more.StoragePlus insurance andfinancingTank rent$
Wick saysContango is the cost of waiting, since someone pays to store the barrel until delivery.
Wick calmly thinks that contango is not a forecast but the storage bill, teaching that the upward curve reflects carry costs, not a guess about future prices.Contango is not aforecast. It's thestorage bill.?
Wick saysAn upward curve does not predict higher prices, it prices the cost of holding oil.

Contango is the default state for storable commodities under normal conditions. Crude oil, natural gas, gold, grain — all of them spend most of their time in some level of contango. The slope can be steep (lots of inventory, weak demand, comfortable supply) or shallow (tighter market). When the slope flips and back months trade below front months — that's a different regime entirely, and we'll cover it in the next lesson. For now, just know: an upward-sloping curve is normal, and the slope tells you how comfortable the storage situation is.

A half-circle meter labeled Contango slope points into the steep zone, showing that a steeper upward curve is a clue about comfortable supply and soft near-term demand.ShallowSteepContango slope?
Wick saysA steep contango often means plenty of oil in storage and weak demand right now.

Recap: contango is when later contracts cost more than earlier ones. The slope reflects storage, financing, and insurance — the cost of holding the physical until delivery. It's the normal state for storable commodities. The slope's steepness is the temperature gauge.

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1. The front-month crude contract trades at 72 dollars and the contract six months out trades at 75. What is this curve shape called?

2. What does a steep contango in crude oil typically signal about the physical market?

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