10.5.1 Extraordinary situations

¹ Should an extraordinary situation arise, the Exchange may institute all the market control measures which it deems necessary to maintain fair and orderly trading as far as possible.

² The Exchange may intervene in trading as it considers necessary, in particular by delaying the opening of trading in a security, interrupting continuous trading in a security, deleting orders or declaring trades invalid.

³ The following specific circumstances shall be deemed to be extraordinary situations:

1. major price volatility, especially where a trade differs significantly from the market price;
2. decisions or information which are to be published imminently and which might have a significant influence on the price of a security (price-sensitive facts); or
3. other situations that might compromise fair and orderly trading.

⁴ The details are laid down in the "Market Control" Directive.