Monetary liquidity is the ability of an economic agent to settle his transactions. Financial market liquidity describes the ease with which large volumes of financial securities can be bought or sold without affecting the market price. From a central bank perspective monetary and financial market liquidity should not be seen in isolation. They are related and influence each other.
We have research economists who have spent a lifetime studying all the various markets that make up our economy. And in New York, where open market operations are conducted, we have market experts who interact with financial markets every day.