澳大利亞S&P/ASX200指數10月23日（週五）收盤下跌13.40點，跌幅0.15%，報8779.80點。

On the 22nd, Iran parliament speaker Ghalibaf warned that if the US chose to go to war with Iran it would suffer “bitter consequences,” saying such a decision could trigger outcomes from a US stock-market collapse and downed fighter jets to higher debt, rising inflation, military casualties and broader social impact. He added the US need not take that path but would have to accept all consequences if it did.

科威特外交部：科威特重申完全支持沙特，堅定支持沙特爲維護國家安全、穩定和主權採取的一切措施，並強調沙特的安全與科威特及海灣阿拉伯國家合作委員會成員國的安全密不可分。