Aluminium stocks at Japan ports dip again in July - what’s behind the shift?

Japan’s aluminium market in mid-2025 reflects a mixed picture, with inventories steadily declining despite increased imports. The trend suggests a tightening supply environment, shaped by shifting trade flows, evolving demand patterns and broader economic dynamics.
As of July 2025, Marubeni Corp., a leading Japanese general trading house, reported that aluminium inventories across Japan's three key ports, Yokohama, Nagoya and Osaka, declined by 0.4 per cent to 315,400 tonnes.
The cause behind the sudden shift
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