Table V-23

Boston Stock Exchange: Percent of Trades Price Improved for CSI Stocks and Non-CSI Stocks

Table V-23: Boston Stock Exchange: Percent of Trades Price Improved for
CSI Stocks and Non-CSI Stocks
CSI StocksNon-CSI Stocks
Price ImprovementNumber of TradesPrice ImprovementNumber of Trades
1/8 Markets
Market Orders6.4%26,5005.2%38,123
Marketable Limit3.8%4,2352.8%9,524
Both6.0%30,7354.7%47,647
1/4 Markets
Market Orders44.6%3,60039.9%9,751
Marketable Limit34.6%34128.9%1,498
Both43.7%3,94138.5%11,249
3/8 Markets
Market Orders65.4%10462.4%757
Marketable Limit35.7%1453.8%132
Both61.9%11861.1%889
Number of Stocks811,517
CSI stocks trade in the BSE's Competing Specialist Initiative. Non-CSI stocks include the
remaining NYSE stocks that trade on the BSE but are not part of the BSE's CSI.

Last modified: 1/24/2001