OT: willy, there's bound to be some mba type or statistical geek out there that has done a study in the last five years to answer your query. where that study is---well, somewhere out on the wide world of wisdom i hope.
case in point...check out this 30 page paper and the statistics these guys produced about price and volume impacts of a pure ticker change.
Register for free to join our community of investors and share your ideas. You will also get access to streaming quotes, interactive charts, trades, portfolio, live options flow and more tools.