I highly recommend this channel even if you know nothing about maritime, understanding shipping cleared a lot of the hazy fog I had when it comes to geopolitics.
https://youtube.com/watch?v=lcdNGlbep1M:1065
TLDW; the strait looks constricted rather than fully closed.
-none of the tankers and cargo ships are willing to risk it until the war passes or if they have a war insurance, so in MarineTraffic you are going see tons of ships just wait.
China is the exception and is able to cross without any hiccup. (Iran LOVES China)