Trading in Alternative securities Market (EN.A) is performed similarly to the rest ATHEX markets. It is used the electronic trading system (OASIS), as well as that of the clearing and settlement, through the ATHEXClear Company.
The method of trading securities is "Continuous Trading" which takes place from 11.00 to 17:20 and the Price fluctuations limits are ±10% of the starting price of the Security (reference price), ±30% of the starting price of the Security (reference price) in the case of market making. The closing price algorithm is based on the weighted average of the 30% of the last trades rule.
The existence of a Market Maker is not mandatory, but in case there is one, he operates under the rules that apply in the rest ATHEX markets.
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