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State

Description

Price Indication

Start of Communication Inquiries. No cancels, modifies, or order entry allowed.

Pre-Open

Earliest phase of Opening market state. Order Entry, modification, and cancel are allowed. No order matching

No Cancel

End of pre-open stage. Order entry is allowed. Modification and cancellation are not allowed.

Ready to trade/Start of Session

Start of continuous trading phase Period where pre-open orders are resolved following Theoretical Opening Price determination. Order matching begins.

Unknown or Invalid

Start of interruption of continuous trading for one or more instruments.

Trading Halt

Interruption of continuous trading and the period during which only order cancellation is allowed and order matching is not allowed

Not available for trading/End of session

End of communication. Order entry, modification, and cancellation are not allowed.

Instrument States

Specifies Instrument states indicate the state type of activity allowed for the tradeable asset which indicates the types of activity allowed.

State

Description

Price Indication

Start of Communication Inquiries. No cancels, modifies, or order entry allowed.

Pre-Open

Earliest phase of Opening market state. Order Entry, modification, and cancel are allowed. No order matching

No Cancel

End of pre-open stage. Order entry is allowed. Modification and cancellation are not allowed.

Ready to trade/Start of Session

Start of continuous trading phase Period where pre-open orders are resolved following Theoretical Opening Price determination. Order matching begins.

Unknown or Invalid

Start of interruption of continuous trading for one or more instruments.

Trading Halt

Interruption of continuous trading and the period during which only order cancellation is allowed and order matching is not allowed

Not available for trading/End of session

End of communication. Order entry, modification, and cancellation are not allowed.

Pre-CrossInstrument is entering Cross state
CrossCross trade is occuring for the instrument.