The study looked at how stock markets in Southeast Asia are connected. They focused on Malaysia, Singapore, Thailand, Philippines, and Indonesia from 2009 to 2019. The Philippines stock market showed a strong connection with the others, while Malaysia's market had the weakest link. The Philippines market had significant ties with Malaysia, Singapore, Thailand, and Indonesia. Malaysia had less important connections with Singapore and Indonesia. Overall, the Southeast Asia stock markets were found to be similarly interdependent.