5. NCAs reported a slight increase in the number of clients treated as professional clients on request over the month of July 2018 in comparison with July 2017. However, the number of professional clients on request is relatively small in comparison to the previous number of retail clients of providers of binary options. ESMA is aware that some third-country firms are actively approaching Union clients. However, without authorisation or registration in the Union, these firms are only allowed to offer services to clients established or situated in the Union at the client's own exclusive initiative. ESMA is also aware that firms are starting to provide other speculative investment products. ESMA will continue to monitor the offer of these other products to determine whether any other Union measures are appropriate.