Trading term

What is Contango?

Contango is when futures prices are higher for later delivery dates — the futures curve slopes upward. It usually reflects the costs of storing and financing an asset until delivery. Contango creates a 'roll cost' for anyone holding futures over time, as they repeatedly sell cheaper near-term contracts and buy pricier later ones.

In contango, a barrel of oil (or any asset) for delivery next year costs more as a future than one for delivery next month. The upward-sloping curve makes intuitive sense for storable commodities: to deliver later, someone must store, insure and finance the asset in the meantime, and those 'cost of carry' charges are baked into the later price. It's the normal state for many commodities in well-supplied markets.

Contango matters most to anyone who holds futures continuously, like commodity ETFs. Because contracts expire, they must 'roll' — sell the expiring, cheaper near-month and buy the pricier next-month — repeatedly paying up. This 'roll cost' or 'negative roll yield' quietly erodes returns over time, which is why a commodity ETF in persistent contango can lose money even if the spot price is flat. The steeper the contango, the bigger the drag.

Contango — an upward futures curve
near month12 months outContango: later-dated futures cost more — the curve slopes up (a roll cost)

Later-dated futures cost more than nearer ones (the cost of carry). Holding futures means repeatedly rolling from cheaper near contracts to pricier later ones — a roll cost that drags on returns.

For example

Oil for next-month delivery is $80, but the six-month future is $86 — contango. A fund holding oil futures must keep rolling: selling near-term contracts around $80 and buying later ones around $86, losing a little each roll. Over a year of flat spot prices, that roll cost still drags the fund's return negative.

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Why it matters to you

Contango explains a puzzle that traps many investors: why a commodity ETF can fall even when the commodity's spot price holds steady. Understanding the futures curve and its roll cost is essential for anyone using futures-based products, where the shape of the curve can matter more than the spot price itself.

⚠ Contango quietly erodes futures ETFs

Investors buy commodity ETFs expecting to track the spot price, unaware that persistent contango imposes a roll cost every time the fund rolls contracts. Over months, that drag can make the ETF badly lag the commodity — even losing money while spot is flat or rising slowly. The curve's shape, not just the spot price, drives the return.

Frequently asked questions

What is contango?

Contango is when longer-dated futures trade at higher prices than nearer-dated ones, so the futures curve slopes upward. It typically reflects the cost of storing and financing an asset until later delivery, and it's the normal state for many commodities in well-supplied markets.

Why does contango happen?

Mainly the 'cost of carry' — storing, insuring and financing a physical asset until a later delivery date adds to the future's price. Ample near-term supply and expectations of higher future prices also contribute. The result is an upward-sloping curve where later contracts cost more.

How does contango affect returns?

For anyone holding futures continuously (like commodity ETFs), contango creates a 'roll cost': they repeatedly sell cheaper expiring contracts and buy pricier later ones, losing a bit each roll. This negative roll yield can erode returns over time, even when the spot price is flat.

What's the opposite of contango?

Backwardation — when later-dated futures trade lower than nearer ones, so the curve slopes downward. It often signals tight near-term supply, and it produces a positive 'roll yield' for futures holders, the mirror image of contango's roll cost.

Related terms

BackwardationBackwardation is when futures prices are lower for later delivery dates — the futures curve slopes downward. It often signals tight near-term supply or strong demand for immediate delivery. For futures holders it creates a positive 'roll yield,' as they sell pricier near-term contracts and buy cheaper later ones.BasisBasis is the difference between an asset's futures price and its current spot (cash) price. It reflects carrying costs, supply and demand, and time to expiry — and it converges to zero as the contract nears expiration, since a future about to settle must match the spot price. Traders watch basis to gauge conditions and to hedge.CFD (contract for difference)A CFD (contract for difference) is a derivative where you and a broker agree to exchange the difference in an asset's price between opening and closing the trade. You never own the underlying — you simply profit or lose on the price move, with leverage. CFDs cover stocks, indexes, commodities and crypto, and are popular outside the US, where they're banned.DerivativeA derivative is a financial contract whose value comes from — is 'derived' from — the price of an underlying asset like a stock, index, commodity, or currency. Options, futures, and swaps are all derivatives. They let traders speculate on or hedge against price moves without owning the underlying directly.
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