Markit MSA provides a transparent and validated Market Share Analysis service, collecting and aggregating European cash equity trading information across traditional exchanges, MTFs and OTC markets.
It allows end users to identify the most active brokers within an instrument, index, sector or trading venue.
Customer market share - (UK, 1st – 24th February 2009)

Each week Markit provides an update using statistics from Markit MSA, via our Markit MSA research spotlight. This week Markit's focus is on the UK market and the report on statistics from February 2009, includes:
the bank with the largest share of customer business
the most active broker on the FTSE 100
the top traded stocks.