2.A CTP shall include in its electronic data stream the data made public pursuant to Articles 10 and 21 of Regulation (EU) No 600/2014 that meet both of the following coverage ratios:
(a)the number of transactions published by a CTP in an asset class listed in paragraph 1 represents at least 80 % of the total number of transactions in the relevant asset class published in the Union by all APAs and all trading venues during the assessment period referred to in paragraph 3;
(b)the volume of transactions published by a CTP in an asset class listed in paragraph 1 represents at least 80 % of the total volume of transactions in the relevant asset class published in the Union by all APAs and all trading venues during the assessment period referred to in paragraph 3.
For the purposes of point (b), the volume of transactions shall be determined in accordance with the measure of volume specified in Table 4 of Annex II to Commission Delegated Regulation (EU) 2017/583.
3.A CTP shall assess the coverage ratios set out in paragraph 2 every six months, based on data covering the preceding 6 months. The assessment periods shall start on 1 January and 1 July each year. The first period shall cover the first six months of the year 2019.