> Exchanges are also closed on various bank holidays which are different in every country
You can't settle on a bank holiday, because the banks are closed. If you trade on a day you can't settle, you're going to have two days of trading settling on the same day later, which is going to be weird.
You can't settle on a bank holiday, because the banks are closed. If you trade on a day you can't settle, you're going to have two days of trading settling on the same day later, which is going to be weird.