RT Journal Article SR Electronic T1 Market Structure Matters JF The Journal of Trading FD Institutional Investor Journals SP 15 OP 17 DO 10.3905/jot.2012.7.1.015 VO 7 IS 1 A1 Charles Polk A1 Evan Schulman YR 2011 UL https://pm-research.com/content/7/1/15.abstract AB Richard Roll observed that continuous markets are more volatile than other market structures. If it is true that continuous markets induce volatility, then unless we change that market structure, we will continue to be plagued with sporadic bursts of nonfunctional, uninformative volatility. This article looks to the underlying reasons and suggests a more serviceable market structure.TOPICS: Equity portfolio management, exchanges/markets/clearinghouses, volatility measures