During a trading session, if the price of a share belongs:

• to the category Main Market & ETF, the price cannot deviate more than +/-30% in relation to the closing price of the previous session
• to the category Low Dispersion / Surveillance / Under Deletion, the price cannot deviate more than +/-20% in relation to the closing price of the previous session
• ​to the category Alternative Market, the first fluctuation limit is set at +/-10%, in relation to the closing price of the previous session, point at which if the stock remains for 15 minutes can be extended to +/- 20% respectively

The share price of a newly listed company during its first three trading days on the ATHEX ranges without restriction