The white market price is legal but the black market price is not.

Jingshicai.com introduces the black market price as the medium for black market transactions, which refers to the price for illegal trade. White market prices refer to state-owned, legal markets.

Market price is the name of the futures and foreign exchange markets, so market price now generally refers to issuing buy orders at the upper limit price and issuing sell orders at the lower limit price to ensure immediate transaction, especially when quotations fluctuate violently. , but it is not recommended to use it because the transaction price may not be ideal, and you may even be caught by a fishing order, that is, the transaction is close to the price limit, causing heavy losses.