[amibroker] Historic series Nasdaq100?

["gonzagags" <gonzagags@xxxxxxxx>]

Hello
I've downloaded from Yahoo the 20-years Nasdaq shares in order to
backtest in Amibroker, but I have now a big doubt.

Are the tickers I have downloaded, ALL the tickers of the 20 years??

because I think that if sometimes some tickers fall from Nasdaq, and
other ones go into Nasdaq, the historic backtest using the nasdaq
tickers of today, is not realistic..

Or not? Is there any way to have the real Nasdaq100, with inputs and
outputs??

Thanks very much..





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