US copper cathode shipments to the American breakbulk market surged to a monthly record in October but are forecast to fall sharply in November as a key arbitrage closes, according to a report published by reports on 5 November 2026.
US breakbulk imports of copper cathode were on track to exceed 230,000 tonnes in October, a level described in the report as a monthly record for the trade, reflecting an intense short-term flow of material into the country.
Industry analytics house Kpler has signalled a marked reversal for November, expecting deliveries to fall to about 100,000 tonnes now that the LME–COMEX arbitrage has closed, a contraction that would represent less than half the October throughput.
Arbitrage and the short-term swing
The LME–COMEX gap had been drawing cathode cargoes as traders and charterers sought to capture a price differential between the two exchanges. With that price incentive removed, the immediate commercial case for moving additional material into the US has diminished, Kpler’s expectation indicates.
The closure of the arbitrage is the proximate cause given in the report, but the wider pattern of flows remains subject to policy and market developments beyond the exchanges themselves.
Policy uncertainty and forthcoming decisions
Sources noted that a pending Section 232 tariff verdict will be pivotal in determining whether the United States continues to draw in elevated volumes of copper. The outcome of that tariff review will influence importers’ calculations and could either restore or further dampen incentives to ship cathode to the US.
The report links the tariff decision directly to future flow dynamics, underlining that market participants are watching the policy process as closely as pricing signals on metal exchanges.
A drop from an October peak above 230,000 tonnes to a forecast near 100,000 tonnes in November would be a substantial swing for breakbulk handlers, charter markets and the logistics chain that supports cathode movements. Terminals, breakbulk carriers and forwarders that scaled operations to meet October’s unusual inflows would face an abrupt easing of demand for space and liftings.
Those commercial consequences are implicit in the shipment numbers and the expected correction described by Kpler. For operators that planned capacity, scheduling and staffing around the October surge, November’s anticipated reduction will require operational recalibration.
The report, dated 5 November 2026, places the spotlight on how quickly trade patterns can shift when arbitrage opportunities close and when government tariff processes remain unresolved. Market watchers and shipping interests will be monitoring the Section 232 decision closely for signals on whether higher import levels are likely to return, and how sustained any such return would be.
As the maritime sector digests the latest figures, the immediate outlook for US cathode breakbulk shipments points to a sharp month‑to‑month decline, with the longer trajectory dependent on policy moves and renewed pricing differentials between the major metal exchanges.