Market evolution: Higher olefins (CN 290129) — 2015–2025

Introduction

This report analyses the trade dynamics of the European Union concerning customs code 290129, which covers acyclic, unsaturated hydrocarbons excluding the major light olefins like ethylene, propene, butene, buta-1,3-diene, and isoprene. The period under review is from 2015 to 2025. The EU's trade in these "higher olefins" is characterized by a significant structural shift, with declining domestic production and exports leading to a greater dependence on imports and a rising trade deficit. The analysis focuses on the evolving trade volumes, the changing geography of partnerships, and the associated market vulnerabilities.

1. A Decade of Contraction: Shrinking Volumes and a Widening Trade Gap

The EU's trade profile for higher olefins over the last decade reveals a clear downward trend in physical volumes, contrasted with volatile but ultimately rising unit prices. This has resulted in a deteriorating trade balance, with the EU becoming a significantly larger net importer.

1.1 Import and Export Volumes Have Followed a Downward Trajectory

Both import and export quantities have fallen markedly since 2015. The decline has been particularly steep on the export side.

Source: General Overview

Despite the fall in absolute import volumes, the much sharper decline in exports has caused the net import reliance to surge from 29% to 48%, indicating a structural weakening of the EU's competitive position in this product segment.

1.2 Price Volatility Has Masked the Underlying Volume Decline

While volumes shrank, prices experienced significant volatility, leading to a peak in trade value around 2022 before a subsequent correction. This price effect has partially offset the volume decline in value terms.

Source: General Overview

The unit price for imports rose by 10.8% over the period, while export prices increased by 54.7%. This suggests EU producers may have shifted to higher-value or more specialised products, but this was insufficient to counteract the volume losses.

1.3 Domestic Production Has Contracted Sharply

The decline in trade volumes is underpinned by a significant reduction in EU industrial production for this product class.

Source: Production Volumes

This contraction in the EU's manufacturing base is the primary driver of the observed trade patterns, reducing the domestic supply available for both the internal market and exports.

2. A Reconfiguration of Global Partnerships

Alongside the volume decline, the geographical pattern of EU trade has undergone a dramatic reconfiguration, leading to increased concentration on the import side.

2.1 The EU's Export Destinations Have Become More Diversified and Shifted East

The EU's export landscape has changed, with traditional partners losing ground and new, often more volatile, relationships emerging.

Top Export Partners by Value in 2025:

Source: Top Partners

Exports to Korea and India grew substantially, making them the top two destinations. Conversely, exports to the United Kingdom and the United States fell sharply (-45.2% and -70.2% respectively).

2.2 Import Sources Have Become Markedly More Concentrated

In stark contrast to exports, the EU's import sources have consolidated significantly, increasing supply chain vulnerability.

Evolution of Import Concentration (Herfindahl-Hirschman Index, HHI):

Source: Concentration

The HHI, a measure of market concentration where a value above 2,500 indicates a highly concentrated market, shows the EU's import base has shifted from a moderately competitive structure to an oligopolistic one.

2.3 The United States and Qatar Have Become the Dominant and Volatile Suppliers

The concentration is driven by the rising dominance of a few key partners.

Evolution of Top Import Partners:

Source: Top Partners & Volatility

The United States has nearly doubled its export value to the EU, becoming the largest single source. The near-total collapse of imports from the United Kingdom post-Brexit is one of the most dramatic shifts, though this was partially offset by increased flows from other partners. The high volatility associated with some partners (e.g., UK, UAE) underscores the risk in the new supply structure.

3. Rising Vulnerability and Market Shocks

The structural changes in trade have directly impacted the EU's economic exposure to this sector, increasing its vulnerability to external shocks.

3.1 The EU Has Become a Net-Dependent Economy in This Sector

Key vulnerability indicators confirm the increased reliance on external markets.

Source: Vulnerability Indicators

The rise in trade intensity and net import reliance indicates that the EU's economy is more interconnected with and dependent on the global market for higher olefins than a decade ago.

3.2 The Market Has Experienced Significant Price Shocks

The period was marked by notable price shocks, particularly involving the United Kingdom.

Source: Supply Shocks

The 2021 price shocks involving the UK are extreme, likely linked to the Brexit transition and supply chain reorganization. Such events highlight the market's susceptibility to geopolitical and logistical disruptions, which are amplified by the concentrated import structure.

3.3 Production Specialisation is Highly Geographically Concentrated Within the EU

The EU's internal market for this product is dominated by a small number of Member States.

Most Specialised EU Producers (2025):

Source: Specialisation

Belgium exhibits a very strong comparative advantage, likely due to its large port and petrochemical infrastructure. This concentration means that shocks to production in key Member States could have outsized impacts on the entire EU's supply.

Conclusion

Over the 2015–2025 period, the EU's trade in higher olefins (CN 290129) has been defined by a structural decline. Shrinking domestic production led to a fall in export volumes, which outpaced the decline in imports, causing a sharp increase in net import reliance to 48%. The geographical landscape of trade transformed: exports diversified towards Asia, while imports became highly concentrated on the United States, Qatar, and a few others, increasing supply chain risk. This shift is reflected in rising vulnerability indicators and was punctuated by significant price shocks, notably during the post-Brexit period. The EU's position has evolved from that of a more balanced player to one with greater dependency on external suppliers for this class of chemicals.