How to "clean" a BIG historical data range

P

Pierre

Let's say I have 4 share historical data (for the 1000 past WORKIN
days).
I want to keep only the dates that are common in the 4 stocks ie i
there is a day off in share #2, remove this date in share #1, #3 an
#4.
has anybody a FAST and easy macro that can do that ??

Thanks to everybody ! :) *FAST
 
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