(Article 27(1) of Directive 2004/39/EC)
A systematic internaliser shall, for each liquid share for which it is a systematic internaliser, maintain the following:
(a) a quote or quotes which are close in price to comparable quotes for the same share in other trading venues;
(b) a record of its quoted prices, which it shall retain for a period of 12 months or such longer period as it considers appropriate.
The obligation laid down in point (b) is without prejudice to the obligation of the investment firm under Article 25(2) of Directive 2004/39/EC to keep at the disposal of the competent authority for at least five years the relevant data relating to all transactions it has carried out.