The prices on the left of image are from NT 7
The prices on the right of the image are from TWS
Because this is a live connection, ALL prices should be the same. You'll notice however the incorrect prices being displayed in NT 7.
The market action is very quiet, hence why there are one cent errors, shown. During greater volatility, these errors increase in amount which is unacceptable when using charting to aid trading decisions.
I have just been through an extensive exercise with customer service involving a new clean installation of NT (including deletion of NT 7 folder in My Documents), confirmation I am using TWS build 927 and confirmation my PC resources are not causing the delay (memory usage under 3%, CPU usage under 2%). Therefore, please don't suggest any of these points as possible causes.
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