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FAQs membership and trading

Where do I obtain information about becoming a member of the Irish Stock Exchange?

Please click here for the details of how to become a member of the Irish Stock Exchange.

Where can I obtain a copy of the securities admitted to trading on the ISE and their identifiers?

Pleaseclick hereto go to the Share Prices and Indices section of our website where such information is available.

Where can I find information on the volatility safeguards on ISE Xetra®?

Volatility Interruptions can occur on ISE Xetra® if the potential execution price deviates considerably from the last order book price or from the last auction price. The volatility allowed is decided on a per instrument basis taking a number of factors into account. However these figures are not disclosed to the market. Further details on the functionality of volatility parameters can be found in the Market Model and Market Parameters here.

What are the tick sizes for securitites on ISE Xetra®?

For order book trading, the tick size for orders is 0.001 for all securities with the exception of debt securities (0.001%) and orders in the constituent securities of the ISEQ 20 which follow the FESE Table 4, which can be found in the Market Model.

For off order book trading, the tick size is 0.0001 for all equity securities and 0.001% for all debt securities.

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