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Open Bug report MC-1944

Cumulative Delta (CVD) chart type is plotted totally different before and after reloading market data

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Description

Cumulative Delta (CVD) chart type is plotted totally different before and after reloading market data. So either before or after reloading chart is wrong, or even both.
This happens to at least when using CQG and OpenECry data sources.
Henry in Prod Support team confirmed that there is a problem with this chart type and will fix.

Steps to reproduce this issue

Please see the attachments. To reproduce how I got the screenshots:
1) I open charts and connect to data, and let the chart draw with real time data, and get the two "before" screenshots.
2) then, I use "Ctrl+R" hotkey to reload chart. and get the two "after" screenshots.
3) then, I close the charts, do "delete data" operation on ENQZ15 for CQG and NQZ5. and then open the chart again and let it load historical data. I found that the result is the same as 2), so I didn't make screenshots.

Comments (1)
#0
user-offline.png  Alex MultiCharts (Alex MultiCharts)
Jan 15, 2016 - 10:41

It is expected that real-time data might be different from historical data, as the result the bars might look different. This data is received from the data source through the API.

History
Issue basics
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  • Type of bug
    Not triaged
  • Likelihood
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Affected by this issue (2)
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Issue details
  • Reproducability
    Not determined
  • Severity
    Critical
Attachments (4)
  • /pm/public/files/show/737
    20150928 CQG - before reload (real time data).png uploaded Oct 19, 2015 by leon (gztanwei)
  • /pm/public/files/show/738
    20150928 CQG - after reload (historical data).png uploaded Oct 19, 2015 by leon (gztanwei)
  • /pm/public/files/show/739
    20150928 Open e cry - before reload (real time data).png uploaded Oct 19, 2015 by leon (gztanwei)
  • /pm/public/files/show/740
    20150928 Open e cry - after reload (historical data).png uploaded Oct 19, 2015 by leon (gztanwei)
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