Opinion of the European Securities and Markets Authority on the product intervention measure relating to binary options proposed by Comisión Nacional del Mercado de Valores of Spain

ESMA opinion of 23 May 2019 under Article 43(2) MiFIR on the Spanish CNMV's national ban on binary options for retail clients, finding it justified and proportionate and calling on other national authorities to adopt measures at least as stringent as ESMA's temporary ban.