Glencore Data Reveals Record Market Volatility Amid US-Iran Conflict

Global commodity markets have become increasingly volatile due to a combination of factors, including supply chain fragmentation, energy transition pressures, and geopolitical tensions.

The architecture of global supply chains has been weakened by years of underinvestment, post-pandemic fragmentation, and deliberately lean inventory management, creating a resonance chamber for external shocks. This phenomenon amplifies market forces far beyond what the system can normally absorb.

Glencore's 2026 market volatility and inventory drawdowns data show that the firm's one-day market-risk Value-at-Risk (VaR) peaked at $456 million in the first half of 2026, more than double its standard internal limit. The average daily VaR surged from $72 million in H1 2025 to $165 million in H1 2026, a 129% increase.

The US-Iran conflict and the closure of the Strait of Hormuz were the immediate catalysts for the volatility surge. Saudi Aramco's production data shows that Saudi Arabia's total hydrocarbon output fell from approximately 12.614 million barrels of oil equivalent per day in Q1 2026 to 9.463 million boe/d in Q2. The average crude selling price climbed from $76.9 per barrel in Q1 2026 to $108.1 per barrel in Q2.

The energy trading implications for firms like Glencore were substantial, with geographic price dislocations, freight rate volatility, and storage arbitrage opportunities compressing into a short window, creating compounding trading margins across crude, LNG, oil products, and freight markets simultaneously.