experimental:
a basic method to evaluate stock dividend periodicity.
known issues:
* it does not adapt well to changes in periodicity, if there is a big enough change on the dividend period plan.
a basic method to evaluate stock dividend periodicity.
known issues:
* it does not adapt well to changes in periodicity, if there is a big enough change on the dividend period plan.
リリースノート:
typo on quarterly x_x
リリースノート:
added a period window stability check.