Oil CFD contracts do not have a fixed expiration date, and you can keep your position open for as long as you meet the margin requirements.
At AMarkets, we use continuous (or “rolled”) CFDs based on futures contracts. The key feature of a continuous CFD is that it is not tied to a specific expiry month. As a result, when the liquidity period of a futures contract ends and it expires, there is no need to rename the contract or manually switch to the next one. This makes trading and price analysis much more convenient.