yanlesin/SEC13Flist

Modify Documentation to describe issues with CUSIPs in SEC13F List and isCusip function

yanlesin opened this issue · 0 comments

yanlesin commented
  1. Some CUSIPs are invalid
  2. Non-distinct CUSIPs
  3. link to FundApps article re CUSIP quality
  4. isCusip() function
  5. usage example with group_by