What the numbers say
Afrah al-Zouba spoke on Monday at Yemen's embassy in Riyadh: "The Houthis want to copy the Iranian model, and this will shut down two main straits". She argued the group had been emboldened by an insufficient international response. This is one party's assessment, and it carries no independent verification.[1]
Three other figures in the same report are more concrete. Roughly 30 percent of global container traffic transits the Red Sea, 12 percent to 15 percent of overall global trade depends on the route, and on Sunday only 11 commodity vessels passed through the strait. Set the third figure beside the first two and the picture is this: the route's share of the cargo that matters is still large; the number of ships actually using it is not.[1]
Where does the detour lead?
The Hormuz comparison misdescribes the instrument. Hormuz has no alternative; Bab al-Mandeb has one, and it is expensive. A strait does not have to close for the leverage to work; transit volume collapsing is enough, and at that moment the cost has already moved into insurance premiums and the sea-days a longer alternative route adds. The warning that two straits will be shut is therefore not a threat but the name of a bill already paid.[1]
It would be wrong to read a durable reroute out of a single day's count. Sunday's 11 vessels may reflect a short pause immediately after the Houthis' July siege declaration on shipping bound for Saudi Arabia and the Saudi air strikes on the port of Hodeidah. What will show whether the route has actually been abandoned is consecutive weeks, not one day.[1]
A measurable threshold
So the variable to watch is a count rather than a statement. Unless the Houthis withdraw the siege declaration on shipping bound for Saudi Arabia, daily commercial transits through the strait should be expected to stay low. If the siege is announced as lifted and weekly transit counts still fail to recover, the cost is being generated by the way insurance prices the route rather than by the declaration, and that is a separate problem.[1]