| Market Depth Behavior |
| Sort quotes by Size or Time |
Sort quotes by Size to see the largest quotes first at each price level. If multiple quotes are the same size, the older quotes will get higher priority.
Sort quotes by Time to display quotes from oldest to newest regardless of size.
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| Display Scrollbars |
Displays scrollbars in each column enabling you to see the full depth of the bid or ask, or to see time & sales data from further back. |
| Display Aggregated Quotes |
Displays an aggregate size at each price levels above the bid and ask columns.
- Aggregate quotes show the number of shares being quoted at each price level. The size is the sum of all of the individual market maker/ECN quotes at that level.
- Increase or decrease the number of aggregate levels shown by clicking and dragging the divider bar between the aggregate and Market Depth areas.
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| Display quote volume in 100's |
If unchecked, the full volume for a quote will display. If checked, the quote will display without the last two zeros to save screen space.
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| Data Sources |
| NBBO (National Best Bid and Offer) |
Displays the inside bid/ask as "NBBO" at the top of the bid and ask columns.
Update during extended hours: If checked, Level I data will update during extended hours trading. If unchecked, it will freeze at the close price.
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| NYSE ArcaBook |
If checked, displays the NYSE ArcaBook data in lower case text, so you can distinguish between which quotes are only in the NYSE ArcaBook and which quotes the whole market can see. |
| Nasdaq Market Depth |
| Nasdaq Level II/Exchange Best |
Only displays a market maker or exchange's best bid and ask quote rather than every quote at every price level in their books. |
| TotalView (NSDQ Book) |
If checked, displays the NSDQ book data in lower case text, so you can distinguish between which quotes are only in the NSDQ book and which quotes the whole market can see. |
| Bid/Ask Columns |
| Display: |
- Venue/Market Center
- Price
- Size
- Quote Change Arrow
 Activates small up / down arrows in the Market Depth area of the Trading window indicating the direction a market participant just moved in relation to the inside price.
EXAMPLE If Market Maker ABCD is on the bid at 65.20, but backs off to 65.17, a down arrow will appear at the new price level. If ABCD moves back up to 65.20, an up arrow will appear.
- Bid/Ask Status Shows the current status of the Market Maker. "K"=closed, "O"=open, "L"= open (non-refreshed) in the morning and closed in the evening.
- Bid/Ask Time Displays in Market Depth the time that the price server received the quote.
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| Display in Time & Sales |
| Display: |
- Time Displays the time of each print
- Bid/Ask Changes Highlights bid/ask quote changes in the Time & Sales panel
- Venue Displays the venue in which the trade was reported
Time & Sales is color-coded:
- Green: Prints at the inside Ask
- Red: Prints at the inside Bid
- Gray: Prints in between the inside Bid/Ask
- Yellow: Prints above the inside Ask
- Purple: Prints below the inside Bid
- Gray Highlight: Inside quote change
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| Watches |
| Watch ARCA and NSDQ |
Highlights ARCA and NSDQ quotes in the Market Depth. |
| Watch Market Participants |
Enter up to 4 market makers or ECNs to highlight in the Market Depth. |
| Apply settings to... |
| this instance or All instances |
If you have multiple Market Depth displays and want different settings for each, choose Apply to this instance.
To have these settings apply to all Market Depth displays in your layout (and all future Market Depth displays you add), choose Apply to all instances.
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