Which statements regarding the Book (Pre- and Post-Trading) Instrument status are true?

The statement that no current market data is published accurately reflects the situation regarding the Book Instrument status when it is in specific pre- and post-trading phases. During these times, the market is not actively trading, and therefore, essential market data, such as live pricing information, is not made available. This lack of current market data ensures that participants do not receive misleading information about prevailing market conditions when no trades are occurring.

Understanding this context is crucial because in pre-trading and post-trading periods, the market is in a transitional phase which could lead to potential distortions if current data were to be published. Thus, the assertion about the absence of currently available market data stands correct and highlights the regulatory and operational practices that aim to maintain transparency and fairness in these trading phases.

In contrast, other statements concerning the potential auction price being published, the ability to enter quotes, and modifying orders are relevant to different statuses or phases of trading and do not apply in the same way when current market data is not available.