eToro offers the Spot CFD contract, which is based on the Futures contracts of the underlying commodity, West Texas Intermediate (WTI) Light Sweet Crude Oil.
The price of the Spot CFD is derived from the two upcoming Futures contracts.

WTI Future contract Price: https://www.marketwatch.com/investing/future/crude%20oil%20-%20electronic
This could change, so please always check eToro’s help pages.
https://www.etoro.com/customer-service/help/82602503/what-type-of-oil-does-etoro-offer/