Which status does not exist in trading?

The status that does not exist in trading is known as "Book." In the context of trading, each status serves a specific purpose to communicate conditions regarding the market or the trading environment.

The term "Holiday" typically refers to days when the exchange is closed due to public holidays, and this status is relevant in understanding when trading activities will not occur. "Halt" indicates a temporary suspension of trading on a security or the entire exchange due to certain conditions such as excessive volatility or regulatory concerns. Both of these statuses are recognized in trading operations.

The term "Book," however, does not correspond to any established trading status. While there are terms such as "order book," which refers to the list of orders for a particular financial instrument, "Book" by itself is not a designation that describes a trading condition or status.

Understanding these terms and their implications is crucial for handling trading activities effectively, as they provide insight into market operations and help traders navigate different scenarios.