What contango means in plain words
Contango is when a futures curve slopes upward: a contract that expires later costs more than one that expires sooner. If oil for delivery next month costs $70 and oil for delivery in six months costs $74, that market is in contango.
It is a normal shape for many futures markets, not a prediction that prices are about to rise. It simply says that waiting costs something.
Why contango happens
For physical goods like oil or grain, the reason is the cost of carrying them: storage, insurance and the interest on the money tied up until delivery. Later delivery costs more because holding the goods until then costs more.
For volatility (the VIX), it works differently. When markets are calm the VIX is low, but investors know calm stretches do not last forever, so futures for later months price in a higher average level. That is why VIX futures usually sit above the current VIX.
A simple example with the VIX
Say the VIX index is at 15. The futures for next month trade at 16.5, and the ones for three months out trade at 18. That upward slope is contango.
Now imagine a fund that holds next month's future. If the VIX stays at 15, the contract bought at 16.5 drifts down toward 15 as it nears expiration, a loss of about 9% of the position. The fund then swaps into the next month's contract, again priced above the VIX, and the same drag repeats. This repeated cost is called roll cost, and it can wear a fund down even when the VIX itself has not moved.
Why traders pay attention to it
Products that hold futures, such as VIX exchange-traded products and oil funds, tend to lose value when the curve is in contango, because they keep buying the more expensive contract. This is a known reason such products are built for short-term use.
The shape of the curve is also a mood gauge. A normal upward slope usually goes with calm markets. When it flips to the opposite shape, backwardation, it usually means investors are nervous about the near term.
In our own check of Cboe's volatility indexes from 2006 to 2026, the 30-day VIX sat below its 3-month counterpart (an upward-sloping curve) on about nine days out of ten. Signal Desk shows this curve every day in its Market deep dive.
Contango FAQ
What is contango in simple terms?
Contango is when a futures contract that expires later costs more than one that expires sooner, so the futures curve slopes upward.
Is contango good or bad?
Neither on its own. It is the normal shape for many markets and often goes with calm conditions. It hurts people and funds that must keep rolling futures, because they buy higher and sell lower, and it matters little to someone who simply owns stocks.
What causes contango?
For physical goods, storage, insurance and financing costs make later delivery cost more. For volatility futures, traders pay up for protection because the future is less certain than a calm present.
Why do VIX ETFs lose value in contango?
They hold short-dated VIX futures and must keep swapping expiring contracts for later, pricier ones. Each swap locks in a small loss when the curve slopes upward, and the losses add up over time.
How is contango different from backwardation?
They are opposites. In contango, later contracts cost more. In backwardation, later contracts cost less, which usually shows up when the market is stressed and near-term demand is high.
Related terms
Educational content only, not financial advice.