What is the Drewry IACI Index and why does it matter for Asian supply chains?

The Drewry Intra-Asia Container Index (IACI) tracks weekly spot rates for containerized cargo on major regional shipping routes within Asia, including lanes between China, Southeast Asia, South Asia, and Japan. It serves as a leading indicator of regional capacity constraints and demand dynamics. The 6% rise to all-time highs signals sustained pricing power in a region that accounts for over 60% of global container traffic by volume.

Why are intra-Asian rates reaching all-time highs right now?

Multiple factors are converging: strong demand recovery in Southeast Asian and Indian markets, high vessel utilization on regional feeders serving major hubs, limited new capacity deployment on secondary lanes, and sustained manufacturing activity across the region. Unlike transpacific routes with more schedule reliability, intra-Asian corridors are more capacity-constrained because they depend on feeder networks and smaller, multi-port vessels.

How does this affect shippers and logistics providers?

For shippers, rising intra-Asian rates increase transportation spend on regional consolidations, cross-country inventory transfers, and nearshoring initiatives. Logistics providers benefit from higher revenue per container but face margin pressure if they operate on fixed-price contracts. Companies should consider locking in longer-term rates, optimizing consolidation strategies, or shifting to less congested corridors.

Is this a temporary spike or a structural shift in Asian shipping?

While container markets are inherently cyclical, the all-time high suggests structural tightness in regional feeder capacity rather than a transient spot-market anomaly. Demographic growth and manufacturing relocation into Southeast Asia and India are expected to sustain regional demand. However, new-build capacity additions over the next 12–24 months could ease some pressure.

What should supply chain teams do in response?

Evaluate contract renewal timing to capture favorable terms before rates climb further; audit intra-Asian shipment consolidation and timing to batch shipments off-peak; diversify routing through major hubs (Singapore, Hong Kong) to access more schedule options; and consider whether nearshoring economics remain attractive if regional transport costs rise significantly.

Shipping & Freight

High Impact

Drewry's IACI Index Up 6%: Intra-Asian Freight at Record Levels

Sep 21, 2026

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The signal

Drewry's Intra-Asia Container Index (IACI) has climbed 6%, with intra-Asian freight rates hitting unprecedented levels. This surge signals tightening regional capacity and sustained demand across major Asian trade lanes connecting manufacturing hubs and consumer markets. The all-time high reflects structural pressures in the Asia-focused container market: high utilization of regional feeder services, strong import demand from Southeast Asian and South Asian economies, and limited vessel availability on secondary routes.

Unlike spot market volatility on major transpacific lanes, regional indices like the IACI capture persistent imbalances in smaller, harder-to-scale shipping corridors. For supply chain professionals, this trend has immediate cost implications for companies sourcing within Asia or distributing regionally. Rising intra-Asian rates increase landed costs for inventory repositioning, cross-border consolidation, and nearshoring operations.

Strategic buyers should evaluate whether to lock in longer-term contracts, shift routing through major hubs, or accelerate digital freight-matching platforms that improve asset utilization.

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Frequently Asked Questions

What This Means for Your Supply Chain

Simulation Suggestion

this month

What if intra-Asian freight rates remain elevated for the next 12 months?

Simulate the impact of sustained 8-10% higher transportation costs on regional consolidation hubs, cross-border inventory transfers, and nearshoring cost models across Southeast Asia and South Asia supply chains. Model the breakeven point at which companies shift to air freight or expedited consolidation strategies.

Run this scenario

Simulation Suggestion

strategic

What if feeder capacity to major hubs becomes further constrained?

Model the impact of a 15% reduction in available feeder capacity on secondary intra-Asian routes (e.g., India to Southeast Asia, China coastal routes). Assess whether shippers must switch to less efficient consolidation points or accept longer transit times.

Run this scenario

Simulation Suggestion

strategic

What if new capacity additions ease rates by Q4 2024?

Model the scenario in which 8-12 new feeder vessels are deployed on intra-Asian routes by end of Q4 2024, reducing spot rates by 12-15%. Assess timing for contract renewals, inventory replenishment strategies, and sourcing rule updates if regional transportation costs decline.

Run this scenario

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