What is contract rollover in futures?
In one line: Contract rollover is closing a futures position in the contract that's about to expire and opening the same position in the next one.
A simple example
Every Futures contract has an end date. The E-mini S&P 500 (ES) has four a year: March, June, September and December, ending on the third Friday of that month.
Each month has a one-letter code: H = March, M = June, U = September, Z = December. So ESZ6 is the December 2026 contract, and ESH7 is March 2027.
Say you hold one ES contract in December and want to stay in the trade past expiry. You sell ESZ6 and buy ESH7 at the same time. That swap is the roll.
When traders roll
Trading activity doesn't wait for the last day. For stock index futures, most volume usually moves to the next contract about a week before expiry. CME Group publishes the dates on cmegroup.com.
Other markets roll on their own schedule. Crude oil (CL) has a contract for every month, and it stops trading earlier in the month before its delivery month. Check the spec before you hold anything near the end.
Why it matters
- Thin markets at the end. After the roll, the old contract gets quiet. Spreads widen and fills get worse.
- Chart jumps. The next contract often trades at a slightly different price. On a chart that switches from one contract to the next, that gap can look like a sudden move that never happened. Learn more in Contango and backwardation.
- Your levels. Turning points you marked on the old contract may sit a few points off on the new one.
On TradingView, a symbol like ES1! shows a continuous chart that switches to the next contract automatically. Check which contract your broker actually trades. More in the ES market guide.
A common mistake
Not knowing your contract's end date. Holding into the last days means trading a thin market, and for some physical contracts, delivery rules apply. Put the roll date in your trading plan.
Questions
Is forex rollover the same as futures rollover?
No. In spot forex, "rollover" means the overnight interest charge or credit, also called Swap (rollover). Futures rollover means moving to a new contract.
Does rolling a futures contract cost money?
You pay the normal commission and spread on two trades: closing the old contract and opening the new one. Some brokers offer a single "calendar spread" order for this.
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