At the top of Auction Vista, you can see the following Menu Bar:
•Zoom in/Zoom Out (A) - Changes Interval Width to zoom in and out of the chart.
•Clear History (B) - Clears History beyond the current depth provided by the data provider:
•Dock/Undock (C) - docks or undocks the Auction Vista chart to the Depth & Sales it belongs to.
•Center (D) - Click this button to recenter the Vista Chart.
•Interval (E) - A new column of data will be printed at specific time intervals. This sets that time interval in seconds. In the above example, we are showing 1 column per second. For very fast markets (Crude, DAX), it's best to keep this to lower settings (1-5). For medium paced markets (S&P 500 Futures, Euro Currency Futures) it's best to use longer settings (10). For very slow markets (US Treasuries, EuroStoxx), a higher value may be used. We also recommend setting this to 1 second at the start of the session and then adjusting it upwards after the first 15 minutes.
•Interval Width (F) - The number of pixels wide each interval row should be. We recommend a setting of 2 or 3 for all markets. It's simply easier to read at those levels.
•Circle Tuner (G) - The large trade circles are automatically generated but there is some fine tuning required on different types of market. For example, on Crude Oil there is a large disparity between "normal trade" and "exceptional trade". On thinner markets (Crude, DAX), you need to set this to 3 or 4 or there will simply be too many circles. On medium liquidity markets (S&P 500 Futures, Euro Currency Futures), a setting of 1 or 2 will work and on very thick markets (US Treasuries, EuroStoxx) a setting of 1 should work.
•Depth Tuner (H) - This setting can be used to "tune out" less significant depth. There are 8 different depth shadings. With a depth Tuner set to 1, you see all levels of depth from 1 (darkest) upwards. With a setting of 2, you see all levels of depth from 2 upwards. Here is the tool with a depth setting of 5:
As you can see the lower levels of depth no longer appear and we can see only the most significant depth. There is no recommended setting for this. It's simply a matter of personal preference.
•Depth Scope (I) - The shading of Depth is relative to the other levels of depth displayed. The Depth Scope setting tells us how many levels of Depth to consider in the shading. The default setting is 10. What this means is that it will take an average of the first 10 levels of depth and shade ALL levels according to that average. Let's look at a couple of examples:
Here we have Depth Scope set to 1. That means that all levels of depth are being shaded relative to the first level of depth (basically the inside bid and inside offer). We can see that this setting shades most levels very light. That is because the inside bid/offer are normally much lower than the other levels.
Here we have a setting of 5 with the Depth & Sales to the right for comparison. We can see that now all levels are being compared to the inner 5 levels of bids and offers. This is a much more reasonable picture.
Here is the default setting of 10. This is the recommended setting, although 5-10 is fine.
Note that a setting of "0" will consider all levels of depth in calculating the average. This setting also works well until there is one really massive bid/offer out there. In that case, it can cause all levels to remain dark, hence the recommendation to setting of 10 or lower.