Guide · Markets
Futures Expiry and the Roll: Brent's December Handover
Every futures contract stops trading on a fixed date, and traders who want to keep their position must roll it into the next month. Here is how expiry works, why the quoted oil price switches contracts, why continuous charts jump on roll day, and what the $5.02 gap between December and January Brent on October 23, 2026 means for the handover on October 30.
A futures contract is a promise to buy or sell a fixed amount of something, 1,000 barrels of oil, 5,000 bushels of wheat, a slice of the S&P 500, at an agreed price on a specific future date. That date is what separates futures from shares. A share can be held forever; a futures contract has a last trading day, after which it either settles in cash against a reference price or obliges the holder to make or take physical delivery. Exchanges list a chain of contracts, one for each delivery month, and at any moment the one closest to expiry is called the front month. When a news story says oil rose 3%, it almost always means the front-month or the most actively traded contract, not some single, permanent price of oil.
Each exchange writes its own expiry rule, and they are worth learning for the markets you follow. Brent futures on ICE Futures Europe stop trading on the last business day of the second month before the delivery month, so the December contract expires at the end of October and the January contract at the end of November. Brent is settled in cash, so nothing is delivered: open positions are closed against the ICE Brent Index. WTI on the New York Mercantile Exchange expires earlier in the month, three business days before the 25th of the month preceding delivery, and it is physically delivered at Cushing, Oklahoma, which matters a great deal, as 2020 showed. Equity-index futures such as the E-mini S&P 500 expire quarterly, on the third Friday of March, June, September and December.
Here is a real example. On Friday, October 23, 2026, December Brent settled at $116.72 a barrel, up 3.1% on the day and its highest close since April. The January contract settled at $111.70. December expires on Friday, October 30, the last business day of October, and from Monday, November 2, January becomes the front month and the price most headlines quote. If the two contracts kept the same $5.02 gap until then, the headline price of Brent would appear to fall by about $5 overnight without a single barrel changing hands at a lower price. Nothing would have happened to the market; the quote would simply have moved to a different delivery month. The gap itself is information: buyers were paying about $5 more for crude delivered a month sooner, a steep backwardation that says the market sees the shortage as most acute now.
That switch is what traders call the roll. A fund or trader who is long December Brent and wants to stay exposed to oil after October 30 sells December and buys January, usually over several days before expiry, when the volume migrates from one contract to the next. In backwardation, as in October 2026, the roll buys the later contract at a lower price, so the same money buys more barrels, and if the curve holds its shape the later contract tends to rise toward the spot price as it approaches its own expiry. In contango, when later months are more expensive, the roll costs money every month, which is why oil ETFs that hold futures can lag the spot price for years. The roll is not a fee charged by anyone; it is the price difference between the contract being sold and the one being bought.
Charts are where the roll causes the most confusion. A continuous front-month chart, the default on many platforms, stitches each contract onto the next on roll day, so it shows a step each time the quote moves to a new month: a drop in backwardation, a jump in contango. Some providers back-adjust the history to remove those steps, which makes the chart smoother but means old prices on it are not prices anyone actually traded. Before drawing a support line or measuring a percentage move across a roll date, check which method the chart uses; a $5 step in Brent at the start of November 2026 would be an artefact, not a breakdown.
The extreme case shows why the last days before expiry deserve respect. On April 20, 2020, one day before the May WTI contract expired, it settled at minus $37.63 a barrel, the first negative price in the contract's history. Demand had collapsed in the pandemic, storage at Cushing was close to full, and holders who could not take delivery of physical crude had to sell at any price, while the June contract still traded at about $20. Most traders never get near expiry; they roll or close well before. The practical habits are simple: know your contract's last trading day before you open the position, read which month a headline quotes, compare the front two months to see how steep the curve is, and treat any sudden move in a continuous chart on roll day as a change of contract until proven otherwise.