How to verify data from another application, the data which keeps changing

This object,

doesn't seem to relate to anything that is shown in,

When you use the Object Spy on the above screenshot, is the entire window highlighted, or the individual objects such as 'Symbol', 'Bid' etc highlighted?

What is shown, looks like a text object. If it is a text object, then you have to select the appropriate property that has the information shown in the above screenshot, and then search the property value for e.g. 'P.Close'