Does Cell Updated By Market Data Feed Mechanism Qualify For Change Event

Oct 27, 2012

It is my general understanding that the change event system within Excel vba is fairly particular as to what will fit the mold of a qualifying change event.

For example, changes that the user imparts to the worksheet and other written code are legitament candidates for change events. However copying down data and cells changing their values indirectly rather than directly may not be considered in the Microsoft change event design.

I would like to know 2 things:

1) Does a cell updated by a market data feed mechanism qualify for a change event?

2) Any list of qualifying change event types. It seems that Microsoft does not have this information.

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Cell Updated Whenever A Change Occurs

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i want to link my stock portfolio to a spreadsheet to make various calculations on historic performance.
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let's say i put the DDE-link in cell A1, i would like B1 to be filled with that value
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Here's the piece of the Change macro that has issues. Specifically, the .undo line highlights.

With Application
.ScreenUpdating = False
.EnableEvents = False

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To explain a little more, I have three sheets that I combine into one to help find the best rate from three companies using the following formula:

=IF(AND(MIN(PMI!C4,UG!C4,GE!C4)=PMI!C4,MIN(PMI!C4,UG!C4,GE!C4)=UG!C4,MIN(PMI!C4,UG!C4,GE!C4)=GE!C4),FIXED(PMI!C4,2)&" All",IF(AND(MIN(PMI!C4,UG!C4,GE!C4)=PMI!C4,MIN(PMI!C4,UG!C4,GE!C4)=UG!C4),FIXED(PMI!C4,2)&" PMI/UG",IF(AND(MIN(PMI!C4,UG!C4,GE!C4)=PMI!C4,MIN(PMI!C4,UG!C4,GE!C4)=GE!C4),FIXED(PMI!C4,2)&" PMI/GE",IF(AND(MIN(PMI!C4,UG!C4,UG!C4)=GE!C4,MIN(PMI!C4,UG!C4,GE!C4)=GE!C4),FIXED(UG!C4,2)&" GE/UG",IF(MIN(PMI!C4,UG!C4,GE!C4)=PMI!C4,FIXED(PMI!C4,2)&" PMI",IF(MIN(PMI!C4,UG!C4,GE!C4)=UG!C4,FIXED(UG!C4,2)&" UG",IF(MIN(PMI!C4,UG!C4,GE!C4)=GE!C4,FIXED(GE!C4,2)&" GE","ERROR")))))))
Please feel free to condense this if you like.

So when I update a reference on one of the first three sheets, the cells update on this sheet but the cell colors never change. This is the code for the worksheet change

Private Sub Worksheet_Change(ByVal Target As Range)

Dim Cel1 As Range
Dim Rng1 As Range

On Error Resume Next
Set Rng1 = ActiveSheet.Cells.SpecialCells(xlCellTypeFormulas, 1)
On Error GoTo 0

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Below are the weekly closing prices for a stock market index. I'm looking to use conditional formatting to highlight in green "buy" signals and in red "sell" signals.

Buy Signal: If the index rises 4% above any previous low point.

Sell Signal: If the index falls 4% from any previous high point.

DateAdj Close
3/10/201472.16
3/3/201473.55
2/24/201472.83
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2/10/201471.43

[code].....

In the above example a Buy Signal is generated on 1/13/2014 because the market closes 4% above the low of 68.24 on 12/9/2013.

[URL]

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Code:
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