Technical attributes

Technical attributes

Persistent and non-persistent orders

Orders can be entered as persistent or as non-persistent orders. Orders are considered persistent if as a backup they are written to disk and for this reason remain in the order book until their validity expires. Persistent orders stay in the order book after a trading interruption or a technical problem with the trading system. Non-persistent orders are automatically deleted as soon as a trading interruption occurs in the corresponding instrument. From a participant’s point of view non-persistent orders always offer clarity as regards their status in the event of trading interruptions or technical problems.

Lean orders

For orders flag as “lean”, the receipt of status information messages is restricted to the session, through which the order had been entered. Furthermore, only such information messages may be recovered via a retransmission request that is about executions and about events, which were not solicited by the owner of the order. For an order that is not flagged as a lean order, the receipt of status information messages is not restricted to the session, through which the order had been entered, and information messages about all events regarding the order may be recovered via a retransmission request.

T7 does not accept orders that are both lean and persistent. Orders that are entered through a high-frequency session must always be lean and non-persistent.

Market Status

XETR

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Trading System experiencing issues

Trading System experiencing serious issues

Xetra newsboard

The Market Status Indicator displays the current technical availability of the trading system.

It indicates whether Xetra newsboard messages regarding current technical issues of the trading system have been published or will be published shortly.
We strongly recommend not to take any decisions based on the indications in the Market Status Indicator. Please always check the Xetra newsboard for comprehensive information.

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