Houthi attacks double southern Red Sea shipping insurance costs. Bab al-Mandeb Strait effectively closed by September 30 at 23% YES.

Houthi rebels block Saudi shipping in the Red Sea. Targeting shipping by July 31 at 49.5% YES; by August 31 at 62.5% YES.

A successful effort to shut the Bab el-Mandeb Strait would strike at one of the world’s most important oil shipping routes