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Stockhistory Function

We begin with a list of stock ticker symbols and their respective company names. Our objective is to display the monthly close stock price from a user-defined date to the present.  We also want to display an in-cell line chart that visualizes the monthly price changes while identifying the monthly high and low over the requested time. The  STOCKHISTORY  function retrieves historical data about a financial instrument and loads it as an array, which will spill if it’s the final result of a formula. This means that Excel will dynamically create the appropriately sized array range when you press  ENTER . The syntax for the STOCKHISTORY function is as follows ( optional arguments are in square brackets ): =STOCKHISTORY(stock, start_date, [end_date], [interval], [headers], [property0], [property1], [property2], [property3], [property4], [property5]) stock  – Enter a ticker symbol in double quotes ( g.,  “MSFT” ) or a reference to a cell containing the Stocks data...
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Indirect Function

INDIRECT  is pretty cool for grabbing a value from a cell. Can  INDIRECT  point to a multi-cell range and be used in a  VLOOKUP  or  SUMIF  function?  You can build an  INDIRECT  function that points to a range. The range might be used as the lookup table in a  VLOOKUP  or as a range in  SUMIF  or  COUNTIF . In  Figure , the formula pulls data from the worksheets specified in row 4. The second argument in the  SUMIF  function looks for records that match a certain date from column A. Note:  Because each worksheet might have a different number of records, I chose to have each range extend to 300. This is a number that is sufficiently larger than the number of transactions on any sheet. The formula in cell B5 is: =SUMIF(INDIRECT(B$4&"!A2:A300"), $A5, INDIRECT(B$4&"!C2:C300")) Summary:  You can use  INDIRECT  to grab data from a multi-cell range.
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Protect Formula Cells in Excel

The use of worksheet protection in Excel is a little strange. Using the steps below, you can quickly protect just the formula cells in your worksheet. It seems unusual, but all 16 billion cells on a worksheet start out with their Locked property set to True. You need to unlock all of the cells first: Select all cells by using the icon above and to the left of cell A1. Press  Ctrl+1  (that is the number 1) to open the Format Cells dialog. In the Format Cells dialog, go to the Protection tab. Uncheck Locked. Click OK. While all cells are still selected, select Home, Find & Select, Formulas. At this point, only the formula cells are selected. Press  Ctrl+1  again to display the Format Cells dialog. On the Protection tab, choose Locked to lock all of the formula cells. Locking cells does nothing until you protect the worksheet. On the Review tab, choose Protect Sheet. In the Protect Sheet dialog, choose if you want people to be able to select your formula cells or no...
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