Stronger Dollar and Potential US-Iran Peace Deal Pressure Sugar Prices

Global sugar markets witnessed a notable decline today, primarily influenced by a strengthening US dollar and the possibility of a US-Iran interim peace agreement. July NY world sugar #11 (SBN26) contracts traded down by 0.44%, while August London ICE white sugar #5 (SWQ26) contracts fell by 0.31%. New York sugar prices reached a seven-week low, underscoring the prevailing downward pressure in the market.

The dollar index ($DXY) rallied to a two-month high, making dollar-denominated commodities more expensive for holders of other currencies, thereby exerting downward pressure on sugar prices. Concurrently, the prospect of a US-Iran interim peace deal could facilitate freer sugar flows in the Middle East. This potential agreement also impacts crude oil prices, which in turn influences ethanol production from sugar cane in Brazil, a major producer. A decline in crude oil prices could make ethanol production less attractive, potentially diverting more sugarcane towards sugar production.

Further influencing market dynamics, sugar trader Czarnikow revised its global 2026/26 sugar surplus estimate from 1.4 million metric tons (MMT) to a deficit of 10,000 MMT. This adjustment reflects Brazilian sugar mills producing more ethanol than sugar due to the surge in crude oil prices. Conversely, Brazil's Center-South sugar production for April 2026/27 saw a significant year-on-year increase of 55.3%, reaching 2.475 MMT. Strong export figures from Thailand, the world's second-largest sugar exporter, also contribute to the bearish sentiment for prices.

However, sugar prices are finding some underlying support amidst concerns that an El Niño weather event could disrupt global sugar production. The Japan Meteorological Agency confirmed the formation of an El Niño pattern across the equatorial Pacific. Such an event is likely to curtail rainfall in Brazil, India, and Thailand, the world's three largest sugar-producing regions. India's weather office recently lowered its cumulative rainfall estimate for the June-September monsoon season to 90% of the long-term average, down from an earlier forecast of 92%. The US National Oceanic and Atmospheric Administration (NOAA) estimates a 67% probability of a “Super El Niño” this year, potentially the strongest ever recorded.

Forecasts for the global supply and demand balance remain mixed among analysts. The International Sugar Organization (ISO) projects that global sugar production for the 2026/27 season will decline by 1.15% year-on-year to 180 MMT, leading to a global sugar deficit of 262,000 MMT. Yet, for the 2025/26 season, ISO had forecasted a record global sugar crop and a surplus of 2.2 MMT. StoneX anticipates a deficit of 550,000 MMT for 2026/27, while Covrig Analytics expects a surplus of 800,000 MMT. These divergent expectations contribute to market uncertainty and price volatility.

Looking ahead, the trajectory of the US dollar, developments in US-Iran relations, and the impact of El Niño will be crucial determinants for sugar prices. A de-escalation of geopolitical risks in the Middle East could lead to freer sugar flows through the Strait of Hormuz and potentially lower crude oil prices, which might increase sugar supply by affecting ethanol production in Brazil. However, the potential for El Niño to adversely affect agricultural output continues to provide significant underlying support for prices. Analysts suggest that these complex factors will lead to continued fluctuations in global sugar markets in the short to medium term.