That's how ALL Greys trade. As greys, the MMs have to call each other to find matching trades. OTCM is letting them see a L2 but blocking it from public view. link to earlier post: (I can't direct link it to the 'expert market') Link to OTCM glossary (I can't direct link it to the 'expert market'): https://www.otcmarkets.com/glossary