@Anonymous You should amend so that the carryover is correct. You should report the correct carryover amount next year, and it might cause problems if the carryover that you report on your 2021 tax return doesn't match the amount from your 2020 tax return. But it's too soon to amend 2020. Form 1040-X is not expected to be available until March 25.
In the future, it's better to post a new separate question of your own instead of hijacking someone else's unrelated thread. Your question has nothing to do with the question that started this thread, except that both involve a wash sale.
