1.   To determine whether an eligible data contributor meets the criterion laid down in Article 27h(6), point (b), of Regulation (EU) No 600/2014, the CTP for shares and ETFs shall, for each eligible data contributor, assess whether such data contributor provided initial admission to trading of shares or ETFs on 27 March 2019 or thereafter. That assessment shall be based on the information published by ESMA in accordance with Article 7(6) of Commission Delegated Regulation (EU) 2017/585 (9).

The CTP for shares and ETFs shall determine:

(a)	for each eligible data contributor meeting the criterion laid down in Article 27h(6), point (a), of Regulation (EU) No 600/2014, the total annual trading volume generated in shares and ETFs, by summing each transaction record received by that data contributor;

(b)

for each eligible data contributor not meeting the criterion laid down in Article 27h(6), point (a), of Regulation (EU) No 600/2014, the total annual trading volume pertaining to the shares and ETFs that were initially admitted to trading on 27 March 2019 or thereafter, by summing each relevant transaction record received by that data contributor.

For the purposes of the calculations referred to in points (a) and (b), transactions shall be single counted.

2.   For each eligible data contributor meeting the criterion laid down in Article 27h(6), point (b), of Regulation (EU) No 600/2014, identified by segment MIC, as specified in ISO 10383, or by operating MIC, whenever there is no segment MIC, the CTP for shares and ETFs shall multiply the relevant trading volume generated by that MIC, as determined under paragraph 1, second subparagraph, by a weighting of 4,0.