Beijing's Sunday rejection of the trilateral South China Sea statement landed on the desk of the People's Bank the same weekend Iran's closure claim on the Strait of Hormuz put a second, unrelated repricing question on that desk's screen. The two events share nothing but a calendar page; the PBOC's reserve managers will read them together regardless, because the foreign-exchange reserve committee that Governor Pan Gongsheng chairs prices energy-import exposure and capital-flow risk off the same weekly cycle, and a Gulf shipping closure that lifts crude benchmarks moves the same import bill the SAFE currency desk hedges against dollar-funding stress in Hong Kong. Iran's Hormuz claim, if it holds through the week, raises China's landed crude cost at a moment when the People's Bank has not yet set its mid-July open-market fixing, or, more precisely, has not yet decided how much of that fixing should absorb an energy shock that Beijing did not cause and cannot resolve by diplomatic statement.

That is the arithmetic the Manila-Washington anniversary statement does not touch and was never going to touch. The foreign ministry's rejection of the ten-year-old arbitral ruling costs Beijing nothing and changes no ship's routing; the Hormuz closure, if Iranian forces sustain it past the six US personnel killed in Kuwait on Sunday, costs the PBOC actual basis points on a reserve book that held US$3.2 trillion at last count. Premier Li's economic working group meets on its regular monthly cycle in the third week of July, and the Hormuz numbers, not the South China Sea statement, are what will be on that agenda.