Transit Window
Physical movement parameters define raw material transit across industrial supply chains while inventory remains tied up in maritime or overland corridors. Heavy mineral concentrates and agricultural bulk commodities spend weeks inside cargo holds before reaching processing facilities. Port congestion shifts arrival schedules unpredictably and forces buyers to carry higher buffer stocks near production hubs.
Ocean freight rates alter total landed costs when spot charter costs surge unexpectedly during seasonal bottlenecks.
Schedule Variance
Maritime tracking systems measure raw material transit against contractual delivery dates agreed upon during procurement negotiations. Weather delays across major shipping lanes push vessel arrival times past scheduled berthing slots. Port authorities prioritize container vessels over bulk carriers and leave raw material shipments waiting at anchorages for days.
Procurement managers calculate schedule variance daily to adjust factory production rates before stockpiles run completely dry.
Transit Risk
Financial exposure accumulates while raw material transit proceeds without real time visibility from satellite telemetry. Commodity theft during inland rail transport creates inventory shortages that emerge only upon warehouse unloading. Marine insurance claims require extensive documentation of environmental conditions inside cargo holds during ocean voyages.
Buyers hedge against price volatility by securing futures contracts while physical shipments remain at sea.