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Why Did NASDAQ Market Makers Stop Avoiding Odd‐Eighth Quotes?

Why Did NASDAQ Market Makers Stop Avoiding Odd‐Eighth Quotes? ABSTRACT On May 26 and 27, 1994 several national newspapers reported the findings of Christie and Schultz (1994) who cannot reject the hypothesis that market makers of active NASDAQ stocks implicitly colluded to maintain spreads of at least $0.25 by avoiding odd‐eighth quotes. On May 27, dealers in Amgen, Cisco Systems, and Microsoft sharply increased their use of odd‐eighth quotes, and mean inside and effective spreads fell nearly 50 percent. This pattern was repeated for Apple Computer the following trading day. Using individual dealer quotes for Apple and Microsoft, we find that virtually all dealers moved in unison to adopt odd‐eighth quotes. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png The Journal of Finance Wiley

Why Did NASDAQ Market Makers Stop Avoiding Odd‐Eighth Quotes?

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References (10)

Publisher
Wiley
Copyright
1994 The American Finance Association
ISSN
0022-1082
eISSN
1540-6261
DOI
10.1111/j.1540-6261.1994.tb04783.x
Publisher site
See Article on Publisher Site

Abstract

ABSTRACT On May 26 and 27, 1994 several national newspapers reported the findings of Christie and Schultz (1994) who cannot reject the hypothesis that market makers of active NASDAQ stocks implicitly colluded to maintain spreads of at least $0.25 by avoiding odd‐eighth quotes. On May 27, dealers in Amgen, Cisco Systems, and Microsoft sharply increased their use of odd‐eighth quotes, and mean inside and effective spreads fell nearly 50 percent. This pattern was repeated for Apple Computer the following trading day. Using individual dealer quotes for Apple and Microsoft, we find that virtually all dealers moved in unison to adopt odd‐eighth quotes.

Journal

The Journal of FinanceWiley

Published: Dec 1, 1994

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