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ArcaEx
NYSE Arca offers a number of subscription trading-related alerts and reports based on the exchange's, market wide and client specific trading activity. Subscribers can benefit from real-time alerts that provide up-to-the-minute trading information or periodic trading data distributed directly to your mailbox. Please note: all times are Eastern Time (ET).

To receive these notifications, please contact us at MarketInfo@archipelago.com and specify whether you would like to receive the information via FIX or email. Also, please indicate which alert(s) you are interested in receiving.

Name of Alert Description Frequency Email FIX
Pre-Open Trading Activity Provides a summary of NYSE Arca volume traded in the pre-open market. Activity includes Top 10 Stocks (Overall), Top 10 ETFs, Top 10 Stocks in the First Pre-Open Block (4:00 a.m. to 8:00 a.m.), and Top 10 Stocks in the Second Pre-Open Block (8:00 a.m. to 9:30 a.m.). Daily at 10:00 a.m.  
NYSE Arca Morning Update Identifies stocks based on trading in NYSE Arca’s Opening Session that have at least a 15% price change from the previous day’s close. This e-mail alert also provides information on the ten most actively traded stocks in the pre-market based on dollar and share volume. Daily at 8:30 a.m.  
Electronic Liquidity Alert Tracks listed stocks trading electronically by providing a list of single-stock securities (excludes ETFs) with a market share exceeding 10% on NYSE Arca. Alerts are sent every half hour unless there are no new stocks with a market share above 10 percent.
Sign up for our liquidity updates
Variable
Electronic Liquidity Update Tracks listed stocks trading electronically by providing a list of single-stock securities (excludes ETFs) with a market share exceeding 10% on NYSE Arca. Daily at
10:15 a.m.
1:15 p.m.
3:15 p.m.
OTC Market Share Alert Tracks OTC stocks trading electronically by providing a list of over-the-counter securities with a market share exceeding 40% on NYSE Arca. Alerts are sent every half-hour unless there are no new stocks with a market share above 40%. Variable
ETF Market Share Update Tracks ETF trading activity by providing a list of the 10 most active ETFs trading on NYSE Arca as well as the 10 ETFs with the largest price movements during the day. Daily at 10:15 a.m.
Nightly Market Share Report Details NYSE Arca volume, cross rate and market share in addition to the market wide volume and Volume Weighted Average Price (VWAP) by symbol. This report is broken out into three spreadsheets — OTC, ETF and single-stock listed securities. Daily at
5:00 a.m.
 
NYSE Arca Auction Alert This alert is generated prior to the NYSE Arca Market Order Auction and Closing Auction identifying stocks that have order imbalances along with indicative price and discrepancy between indicative price and last sale. This report also identifies the NYSE Arca current price, and the Total Dollar Value of Delta for the specific security. Daily at
9:20 a.m.
3:56 p.m.
 
The Book ArcaVision
Auction / Halted Arca Most Active
Subscribe to ArcaVision
Trader Updates
 
 

Listed Company Spotlight
Symbol: ATS
Last Price: 1.1200
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Change: -0.07
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Volume: 13,299
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