5.
Stock SymbolThe currently active stock
symbol. Each Island BookViewer window can only display data for a single stock at a time,
so all data displayed in this window is limited to this active stock.
6.
New
Stock
You can change the active stock
at any time by entering a new stock symbol here and hitting the "go" button (or
pressing ENTER).
7.
Last
Match Price
The price of the most recent
match on Island. "N/A" indicates that the stock has not traded on Island yet
today.
This price is
displayed in decimals. Island accepts decimal orders in up to 3
decimal places. However, the conversion of fractional orders to
decimal representation sometimes requires more than 4 decimal places.
To reduce confusion, in these instances the converted fractional order
is rounded to 4 decimal places. Such prices are marked with a "#"
symbol.
8.
Last
Match Time
The time of the most recent match
on Island, expressed in 24-hour format based on U.S. Eastern time.
9.
Todays
Activity - Orders
The cumulative number of visible
orders entered so far today. This number does not include hidden orders or
immediate-or-cancel orders.
10.
Todays
Activity - Volume
The total number of shares
matched today on Island's book. This volume counts each change of beneficial ownership
once. For example, if participant "A" sells 100 shares to participant
"B" on Island, Todays' Volume will increase by 100 shares.*
11.
Buy
and Sell Orders
Displays up to the first 15
individual buy and sell orders currently visible, open and available for instant matching.
Buy orders are on the left, sell orders are on the right. Orders are listed according to
price and time priority so orders higher on the list will be executed before orders lower
in the list. Hidden orders are not displayed.
The background colors help to visually group together equally priced orders at first four
price levels.
12.
Shares
For each order, this column shows
the number of shares that are currently available for an instant match. The shares
displayed could be less than the original number of shares entered if the order was
partially executed or partially cancelled.
13.
Price
This column displays each order's limit price.
These prices are
displayed in decimals. Island accepts decimal orders in up to 3
decimal places. However, the conversion of fractional orders to
decimal representation sometimes requires more than 4 decimal places.
To reduce confusion, in these instances the converted fractional order
is rounded to 4 decimal places. Such prices are marked with a "#"
symbol.
14.
Fraction Rounding Indicator
This price is
displayed in decimals. Island accepts decimal orders in up to 3
decimal places. However, the conversion of fractional orders to
decimal representation sometimes requires more than 4 decimal places.
To reduce confusion, in these instances the converted fractional order
is rounded to 4 decimal places. Such prices are marked with a "#"
symbol.
15.
Connection
Status
Shows the state of the
BookViewer's connection. (The HTML version will always show "as of" since it
does not create new connections).
Possible values include:
Connecting - The applet is trying to make a new connection to
the BookViewer server over the internet. You'll see this every time you request a new
stock. The applet may take a second to connect, depending on the speed of your Internet
connection.
Connected - The applet has successfully connected to the server
and is waiting for the first packet of data to arrive.
Connection Lost - The applet's connection to the server was
unexpectedly terminated. Check your internet connection and request the stock again.
Unknown Stock - The requested stock was not found on Island.
This could indicated that you requested an invalid stock symbol, or that there have not
been any orders entered into Island yet today for that stock. Check the stock symbol and
try again.
As of - A time stamp that indicates the timeliness of the
displayed data. In the Java version, this timestamp should update each time the displayed
data changes or about once every 15 seconds if the displayed data is not changing. The
time stamp is expressed in 24-hour format based on U.S. Eastern Time.
The Island BookViewer is a
best-effort attempt to provide the public with access to a real-time view of the Island
limit book. The Island BookViewer only contains information concerning Island's best bid
or offer, Island's last match price, or any other information that is specific to Island's
system. Furthermore, the Island BookViewer does not necessarily represent the best bid,
best offer, or last sale price on NASDAQ or any other market or exchange.
The Island BookViewer is a free, Internet based service. These quotes are not guaranteed
to be timely or accurate. The operation or lack thereof for this site is not any
indication of the fitness of the Island ECN.
Do not use the Island BookViewer for making investment decisions, it is for informational
purposes only.