Guinan began his futures career on the CME trading floor in 1987. Over the years he has gained an uncommon blend of industry experiece and IT knowledge. This base of understanding has allowed him to create and maintain an IT team at Advantage Futures, focused on providing a fast and reliable trading network. 
MarketsWiki Questions: Exploring Financial Technology
Guinan spoke at the MarketsWiki Questions: Exploring Financial Technology event on October 5, 2011 in Chicago. He addressed Question 5: Build or Buy? What parts of trading technology are worth building and what are worth buying?
Guinan participated in the MarketsWiki Questions: Exploring Financial Technology interactive video series. See his responses to the following questions:
Guinan holds a BBA from the University of Texas, an MBA from the University of Chicago Booth School of Business, and an MS in Computer Science from the University of Chicago.
JLN News Feed
Nasdaq Announces End-of-Month Open Short Interest Positions in Nasdaq Stocks as of Settlement Date July 31, 2020
[JPX,TSE,OSE,JPX-R,JSCC,TOCOMJPX Monthly Headlines - July2020]
Delisting of Securities of KemPharm, Inc.; Endologix, Inc.; VIVUS, Inc.; SAExploration Holdings, Inc.; Ascena Retail Group, Inc.; and Global Eagle Entertainment Inc. from The Nasdaq Stock Market
We visit more than 100 websites daily for financial news (Would YOU do that?). Read the John Lothian Newsletter.