This study explores the integration of the markets for NYSE-listed stocks. Although the NYSE bid or offer is part of the best displayed intermarket quote roughly ninety percent of the time, there is some evidence that non-NYSE markets do on occasion contribute to price discovery. Actual...

The purpose of this paper is to compare execution prices of NYSE-listed stocks on the NYSE and on non-NYSE markets. The first conclusion of this comparison is that most of the time the NYSE had the best quote. This result does not necessarily imply that execution prices on the NYSE are better...

The goal of this paper is to examine the impact of 1975 Congressional mandate to integrate the trading of NYSE listed stocks. The conclusions are: Most of the time, the NYSE quote matches or determines the best displayed quote, and the NYSE is the most frequent initiator of quote changes....

In response to the 1975 Congressional call for a national market system to provide a transparent link across individual markets that trade NYSE-listed stocks, the SEC caused the implementation of three electronic systems that provide a partial integration of these markets. This partial...