High resolution Ultra High Frequency (UHF) quotes and trades are examined to detect patterns which do not correspond to plausible market activity as in Brownlees and Gallo (2006). Non-microstructure noise is identified as a process. Methods of treatment are evaluated. A resultant paradigm of...

This paper investigates the information content present in the quotes in an order driven market without the presence of designated market makers. A representation is proposed that recognises the ability of participants in such markets to observe market events and calibrate their quoting...