With volatility back in the stock market, institutional investors are routing orders with a vengeance and boosting the volumes at some of the newer equity trading venues.
Here’s an update on the volume records that occurred this week.

BATS Trading, operator of BATS ECN, set a daily volume record Wednesday with more than 1 billion shares traded. BATS finished the day with more than 1.18 billion shares. BATS’ previous record was 975 million shares, which it traded on Tuesday, the prior day when the stock market swung 631 points between the high and low for the day. Crossing the 1 billion -share mark in a single day is a milestone for BATS, which is applying for exchange status.

Among the alternative trading systems,Liquidnet had a record of 162.3 million shares beating the previous week’s record of 144. 8 million set Jan. 16, 2008. Prior to that, Liquidnet’s single day high was 126.3 million shares on Nov. 9, 2007. Pipeline ATS traded 56.08 million shares on Wednesday, Jan. 23. Last Thursday, Pipeline traded more than 58 million shares, breaking a liquidity record. NYFIX Millennium executed 79.9 million shares on Wednesday, Jan. 23, as compared with 75.4 million shares a week earlier on Jan. 16.

ISE Stock Exchange hit a new daily trading volume record of 145.1 million shares on Wednesday, Jan. 22. This surpassed its previous record of 115.7 million shares set on Sept. 19, 2007. The figure combines the fully displayed stock market with MidPoint Match, a continuous, anonymous platform for trading equities at the midpoint of the national best bid and offer (NBBO). The majority of the volume occurs on the displayed market, according to a spokeswoman.

CBOE Stock Exchange (CBSX), a subsidiary of the Chicago Board Options Exchange (CBOE), said that it had the busiest day in its 10-month history as reported volume totaled 24.4 million shares on Jan. 23. The new high surpassed the previous single-day record of 17.7 million shares set on Dec. 26. 2007. This is already a substantial increase from 2007 when the average daily volume at CBSX was 4.8 million shares per day. In December, CBSX's’average daily volume was 9.4 million and year-to-date, the average daily volume has been 12.8 million shares per day, according to the exchange.

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