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The 2016 Trading Technology 40: D. Keith Ross Jr.

No. 31 D. Keith Ross Jr., Chairman and Chief Executive Officer, PDQ Enterprises

D. Keith Ross Jr.
Chairman and Chief Executive Officer
PDQ Enterprises

At the start of this century, after more than a decade as a floor trader at the Chicago Board Options Exchange and 20 years of trading for himself, D. Keith Ross Jr. decided it was time for a change. He went to work for algorithmic trading pioneer Getco, serving as CEO from 2002 to 2005. By then convinced of how thoroughly low-latency technology was transforming the business, Ross took the CEO job at alternative trading systems firm PDQ Enterprises in 2006. Technology visionary Christopher Keith, a former New York Stock Exchange CTO, had founded Glenview, Illinois–based PDQ in 2003. A liquidity-aggregation patent he obtained in 2008 is at the heart of the PDQ ATS, which launched in 2009 and, through both internally generated volume and PDQ’s routing business, is executing about 1.5 percent of all stock trades. PDQ’s contribution to trading innovation, Ross explains, is a “pause” feature that allows for a better read on the market: It halts an order for 20 milliseconds to build a “minibook” where responses to a proposed trade can be listed in a price-time ranking. “Before electronic trading you could go to the specialist post,” says Ross, 61. “He’d give some color on where the buyers and sellers were, and a broker could gather information and find out the state of the market.” Modern trading makes getting that read and color more complicated, and technology has introduced new problems, such as layering and spoofing. “If you reverse the flow, so to speak, and start with the ‘What is the market?’ question, it re-creates what I would call floor competition and puts the person who’s initiating the order back in the driver’s seat,” Ross says. PDQ’s generic offering is a 20-millisecond pause, but it also offers a five-millisecond pause and expects to roll out a 30-second pause later this year.

2016 Trading Technology 40

1. Raymond Tierney III
2. Richard Prager
3. Chris Isaacson
BATS Global Markets
4. Jonathan Ross
KCG Holdings
5. Bradley Peterson
6. Brad Levy
7. Dan Keegan
8. Ronald DePoalo
Fidelity Institutional
9. Raj Mahajan
Goldman Sachs Group
10. Ari Studnitzer
CME Group
11. Mayur Kapani
Intercontinental Exchange
12. Gerald O’Connell
CBOE Holdings
13. Nicholas Themelis
MarketAxess Holdings
14. Gil Mandelzis
EBS BrokerTec (ICAP)
15. Bill Chow and Richard Leung
Hong Kong Exchanges and Clearing
16. Rob Park
IEX Group
17. Philip Weisberg
Thomson Reuters
18. John Mackay (Mack) Gill
19. Robert Cornish
International Securities Exchange
20. Paul Hamill
Citadel Securities
21. Eric Noll
22. Tyler Moeller and Joshua Walsky
Broadway Technology
23. Rishi Nangalia
REDI Holdings
24. Veronica Augustsson
Cinnober Financial Technology
25. Alasdair Haynes
Aquis Exchange
26. Manoj Narang
Mana Partners
27. Gaurav Suri
28. Robert Sloan
S3 Partners
29. Anton Katz and Stephen Mock
AQR Capital Mgmt
30. Stu Taylor
31. D. Keith Ross Jr.
PDQ Enterprises
32. Donal Byrne
33. Alfred Eskandar
34. R. Cromwell Coulson
OTC Markets Group
35. Masayuki Hosaka
36. Peter Maragos and David Karat
Dash Financial
37. Amar Kuchinad
38. Jennifer Nayar
SR Labs
39. Dave Snowdon
40. Dan Raju

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