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Apr
28
comment Time between end of use of ticker symbol by one company and beginning of use by another?
Just heuristically from having done this for a number of years, I haven't seen anything less than a year. (And these days there will often be a transition symbol which is helpful.) But it's not really tractable (or pleasant!) without using another identifier - CUSIP is readily available in CRSP, sedol is gonna be more friendly when you start to look at international instruments.
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May
5
revised Quant/Stat Factor Performance Website/Distribution?
added 68 characters in body
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awarded  Student
May
5
asked Quant/Stat Factor Performance Website/Distribution?