Question on Wealth-Data. Is it different for WL7 and WL6.9? For example, for S&P-500 the number of symbols for WL7 is 970, and for WL6.9 only 590. Also for other indices.
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Yes! W-D for WL7 also gets you the index components which have left the index and/or got delisted. When you backtest on such W-D DataSet in WL7, trading on such instruments takes place only during the period when they were included in the index. This is truly a survivoship bias free backtesting!
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Great! I am currently using Norgate Data for this. Can you please tell us for which indexes the survivorship bias has been cleared and over what period of time? I don't think I need norgate data anymore ... Thank you very much!
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S&P 500, S&P 100, Dow 30, Nasdaq 100, DAX, MDAX
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Very good! Can you please tell us the period for the adjusted data? Many Thanks!
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To be clear, with 6.9 you're only getting changes to an index history from the date that you created a log in to Wealth-Data.com. Wealth-Lab 7 will have access to all the changes from approximately:
c. 1995 for Nasdaq 100
c. 1994 for S&P 100
c. 1956 for Dow 30
c. 1998 for DAX
c. 1994 for MDAX
c. 1998 for S&P 500
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