In a study Knight Capital Group examines the significant structural changes in US Equity Markets and how those changes affect traders and investors. Prices are nothing but the result of traders’ order submission discretion, which in turn is influenced by overall market structure. To download the excellent report, click here. Mentioned below is some synopsis from the study pertaining to retail intraday traders.
Average trade size fell as electronic systems allowed traders to easily divide orders to obtain better executions.
Quote traffic increased substantially.
The ratio of orders canceled to orders executed more than tripled in recent years, this can be linked to notorious pinging by High Frequency Trading algorithms.
With advancements in technology, the old problems of liquidity search, informed trading, front-running, quote-matching, and price-discrimination can be handled much effectively.




{ 4 comments… read them below or add one }
Amazing… high frequency trading will leave no scope for daytraders.
very gud info
Hi….I think changes in market structure and price behavior is depend on Stock market Technical Analysis too. i have an idea for Online Brokers and Self-directed Investors. We offers Online Investment Research and Stock Market Technical Analysis Softwares.
You actually make it seem so easy with your presentation but I find this matter to be really something which I think I would never understand. It seems too complex and very broad for me. I am looking forward for your next post, I will try to get the hang of it!