On 6 October 2016, ESMA published a Consultation Paper on Guidelines on the calibration, publication and reporting of trading halts. ESMA invites comments on all matters in the paper and in particular on the specific questions summarised in Annex I. ESMA will consider all comments received by 6 December 2016. This Consultation Paper may be specifically of interest to trading venues, firms considering becoming data reporting services providers, investment firms, as well as wholesale and retail investors.