Many shipping companies have pulled their vessels from the Suez Canal route as Houthi rebels in Yemen continue to fire at cargo ships. Some exporters are now using the overland rail route between China and Europe, with enquiries doubling since the Red Sea attacks began.

While supply chain disruptions have significantly diminished over the course of 2022, the reversion of the index toward a normal historical range has paused over the past three months. Our analysis attributes the recent pause largely to the pandemic in China amid an easing of «Zero COVID» policies.