Drewry’s Intra‑Asia Container Index rose sharply this week, increasing 6% to reach $1,402 per 40ft box, according to a report carried by reports on 20 September 2026. The index’s composite measure recorded its fourth straight weekly all‑time high, underscoring sustained pressure across regional trades.

The repeated record reads as a clear signal that capacity on intra‑Asian routes remains tight and that short‑term disruption is continuing to feed through freight markets. Drewry’s latest movements of the index point to a market where supply and demand are out of balance, keeping spot levels elevated for shippers moving cargo within the region.

Drivers of the surge

The immediate causes identified in the report are twofold: geopolitical frictions and weather events. Geopolitical tensions have complicated routing and operational planning, while typhoon‑related interruptions have reduced effective sailing capacity and slowed port calls, both of which have tightened equipment and space availability.

Those twin pressures have acted together to constrain the normal flow of boxes, creating bottlenecks that are felt as higher spot rates; the composite index rising for a fourth week suggests these are not isolated incidents but a continuing pattern. The effect has been particularly pronounced on short‑sea linkages where alternative routings and blanked sailings quickly remove spare capacity.

Market consequences

Persistently high intra‑Asia rates add direct cost to manufacturers and traders that rely on regular short‑haul shipments of parts and finished goods, and they complicate inventory planning across regional supply chains. Carriers may be retaining capacity or reassigning vessels in response, but the report implies available lift remains insufficient to re‑balance the market immediately.

For logistics providers, the environment increases the premium on equipment repositioning and on-time performance as delays and container shortages translate into higher operational expenditure. The weekly record moves of the composite index are a reminder that volatility can be protracted when multiple disruption drivers coincide.

What to watch

  • Index movement: IACI at $1,402 per 40ft, up 6% on the week.
  • Record streak: composite index has recorded an all‑time high for four consecutive weeks.
  • Principal causes cited: ongoing geopolitical disruption and typhoon‑related interruptions are constraining capacity.

Drewry’s commentary, as summarised by reports on 20 September 2026, points to continued near‑term vulnerability of intra‑Asian rates to further episodic shocks. Stakeholders should monitor weather warnings and regional political developments closely, because either can quickly tighten the already scarce capacity and sustain upward pressure on spot market levels.

Though the index captures spot movements rather than contract rates, its repeated highs are likely to reverberate through tendering and short‑term contracting as shippers reassess risk and carriers seek to protect yield. For now, the market environment remains one in which elevated freight costs and limited flexibility are the prevailing condition, at least until the compound disruptions ease or additional capacity is introduced.