

Cum/ex dividend mishap
Hi there,
I think SeeWhy Learning and the CSI textbook might be saying different things about the cum-dividend and ex-dividend dates, or am I misunderstanding something?
SeeWhy says trades take 2 business days to settle, but the CSI book says 1 business day. Did the settlement cycle change and SeeWhy hasn’t been updated, or am I interpreting this incorrectly?
For example, if the record date is Thursday, June 15, the CSI book says that buying the stock on Wednesday, June 14 settles on June 15, so it’s cum-dividend. However, SeeWhy says that buying on June 14 would be ex-dividend.
Can someone explain which is correct and why?
Many many thanks!! 🙏