Explanation for getting different time series for REXX and REXXQ

AI & Machine learning
1

 

While analysing the data for finding redundant stocks , why i am seeing two different time series for REXX and REXXQ ?  I read somewhere that it was just the symbol change.

Refer : https://quantra.quantinsti.com/startCourseDetails?cid=123&section_no=5&unit_no=4#course_type=paid&unit_type=Notebook

 

This is related to Data and Feature  Engineering lecture in Quantra, section 5. 

2

Q after a symbol indicates that the firm is in the process of bankruptcy. Yes, you are dealing with the same stock. If your universe contains both the stock tickers, it is redundant and you should keep only one.



Additional reading: https://www.sec.gov/fast-answers/answersqaddedhtm.html



Thanks!