Profit and loss refers to the cost after buying a stock plus the commission paid and the change in the market value of the stock now. Cumulative profit and loss refers to the total profit and loss in a certain period.

Generally, the stock market has accumulated floating profits and losses. Simply put, the losses and profits before selling are called floating profits and losses, which are the potential profits and losses calculated according to the initial transaction price and the settlement price of the position contract. Unrealized open profit and loss calculated at the settlement price of the day. Refers to the cumulative profit and loss of futures contracts from the opening of positions to the settlement date, and the floating profit and loss of that day refers to the profit and loss generated on a trading day during the holding period.