About Us Tidal Markets LLC is a research firm and data provider of short data indicators. As a research practice, we amalgamate securities lending data and study its correlation to stock market activity. Our research and data service offering enables hedge funds, asset managers, and equity traders with a unique perspective to interpret leading short data indicators and its implications. Tidal Markets research is available on a request basis only, unless publicly disclosed at the discretion of the company. Tidal Markets also provides end-of-day and intraday data file offerings on a subscription basis. Data Driven Analytics Stock Market Insights Actionable Results Christopher Sappo Founder, Managing Principal Christopher Sappo is the Founder and Managing Principal of Tidal Markets LLC. He holds a M.S. in Finance from Boston College and a B.S. in Management Information Systems from Rochester Institute of Technology. He specializes in systems and data analysis, concentrating on securities lending data.