Downloading stock information from Yahoo! Finance

The program downloads stock information from Yahoo! Finance and displays it in the spreadsheet. On my Mac the program takes 10 minutes to get data for approximately 4000 stocks and on the PC it takes 45 minutes. I wrote another version which copies and pastes the data instead of iterating through each price value, but every time I run that macro, the runtime increases. That version takes about 15 minutes on a PC and 45 minutes on a Mac.

I don't know what is going on but I just want a program that runs in < 15 minutes on both operating systems and has a consistent runtime.

```
Option Explicit

Sub GetData()

Application.Calculation = xlCalculationManual

Dim numb_tickers As Integer
numb_tickers = Application.WorksheetFunction.CountBlank(Worksheets("Sheet1").Range(Sheet1.Cells(2, 2), Sheet1.Cells(5000, 2)))
numb_tickers = 5000 - numb_tickers

Dim start_ticker As Integer
start_ticker = Sheet3.Cells(5, 2) + 1
Dim end_ticker As Integer
end_ticker = Sheet3.Cells(6, 2) + 1

Dim x As Integer
For x = start_ticker To end_ticker

Dim DataSheet As Worksheet
Dim EndDate As Date
Dim StartDate As Date
Dim Symbol As String
Dim qurl As String
Dim nQuery As Name
Dim LastRow As Integer

Application.ScreenUpdating = False
Application.DisplayAlerts = False

Sheets("Data").Cells.Clear

Set DataSheet = ActiveSheet

StartDate = Sheet3.Cells(2, 2)
EndDate = Sheet3.Cells(3, 2)
Symbol = Sheet1.Cells(x, 2)
Sheets("Data").Range("a1").CurrentRegion.ClearContents

qurl = "http://ichart.finance.yahoo.com/table.csv?s=" & Symbol
qurl = qurl & "&a=" & Month(StartDate) - 1 & "&b=" & Day(StartDate) & _
"&c=" & Year(StartDate) & "&d=" & Month(EndDate) - 1 & "&e=" & _
Day(EndDate) & "&f=" & Year(EndDate) & "&g=" & Sheets("Data").Range("a1") & "&q=q&y=0&z=" & _
Symbol & "&x=.csv"

QueryQuote:
With Sheets("Data").QueryTables.Add(Connection:="URL;" & qurl,

I don't know what would cause the large difference in time, but I found a couple minor factors:

• Application.ScreenUpdating = False is performed in each loop (~4 000 times I assume)

• Application.DisplayAlerts = False is not only performed in the same volume but also not negated in the scope of this question.

• The lack of .Value2 has a potential performance demerit as discussed here.

StackExchange Code Review Q#98512, answer score: 2