Gold t+0: refers to a transaction in the gold market, a cash deferred delivery business in the form of margin, and a professional gold investment product combining stocks and futures.

T+0 means it can be sold on the same day, and it can be sold one minute after it was bought one minute ago, but T+ 1 means it can not be sold until tomorrow or the next trading day. T+D means the same thing, and it can only be sold after d days.