Specialist and Market Maker are under the obligation to place binding buy and sell prices (quotes) into the system during a certain period in continuous trading, which must comply with a predefined minimum size and maximum spread.

A trading participant who has assumed a Specialist or Market Maker function shall be considered to have fulfilled its obligations if in the course of one calendar month, it meets ≥ 80 % of its quotation obligations (Minimum Size and Maximum Spread) during the daily observation period. The daily observation period is the time between 09:00 and 17:30 hrs on each trading day.

If the ATX fluctuates +/- 3% compared to the closing price of the previous day, the fast market regulation takes effect for Specialists and Market Makers in the market segment equity market – the respective quotation obligations are suspended by Wiener Börse AG and any failures to meet these obligations will not be taken into account for the trading day concerned.

If a Specialist or a Market Maker fails to fulfill its obligations within the observation month, the fees charged for transactions concluded in the relevant month will be based on the of principal fees.