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step0 in [NHNLDiff] filters the exchange. Before 19731217, step0 passes all stocks (because 3==3). After 19731217, step0 filters to NASDAQ stocks.
Is there a way to modify the NHNL bear-catcher so that it operates the same across all time periods, i.e. passes all stocks all the time?
Or maybe, hard as it may be to believe, I have figured something out!
If I change the date 19731217 to some later but still valid date, I assume that means that before that date all stocks will pass, and only after than date must they be NASDAQ stocks.
Correct?
Baltasar
