Spot crude oil investment has an overnight fee, which is a storage fee or a deferred fee. It is a storage fee stipulated by the exchange that investors must pay if they hold the contract overnight. Whether you are long or short, you only need to pay overnight. All will be charged.
Different platforms have different inventory fees. Now the inventory fee of the China Economic Platform I am working on is one ten thousandth. The fee is related to your opening price and lot size