How coffee prices are formed: stock exchange, differentials and global factors
What is a coffee exchange
The coffee exchange is a platform where they do not trade coffee itself, but futures: contracts for the purchase of future crops at a fixed price. The format allows market participants to work with coffee even before it is harvested and processed. So producers insure themselves against a possible drop in prices, importers and traders fix the terms of the deal in advance, and roasters are protected from a sharp rise in the price of raw materials.
The main futures for Arabica — Coffee C Futures — is traded on the ICE Futures U.S. exchange in New York. It is a standardized contract for 37,500 pounds of green coffee — that's about 17 tons or 250-280 bags, depending on the country of origin. Standardization of volume and quality parameters makes Coffee C a convenient "reference point" for most participants in the Arabica market. According to ICE rules, delivery under the contract is allowed only from countries included in the approved list. Now there are 19 countries in it.
Для робусты похожую роль играет лондонская биржа LIFFE (London International Financial Futures and Options Exchange)
The exchange sets uniform requirements for quality, sorting and packaging. Thanks to this, Coffee C becomes the basic benchmark for the prices of mass Arabica in countries that produce large volumes of commercial coffee.
The value of futures changes daily and often very sharply. According to ICE and the International Coffee Organization (ICO), the Arabica market is among the most volatile: fluctuations in the range of 3-5% per day are considered commonplace. Such dynamics makes Coffee C both a useful reference point and a source of uncertainty: even small news concerning the harvest or the macroeconomics of the country of origin can noticeably change quotes.
Where the exchange determines the price, and where it does not
In countries that produce large volumes of commercial coffee, such as Brazil, Vietnam and Colombia, stock prices serve as a benchmark. For Arabica, these are ICE quotes, for robusta, such as Vietnamese, the LIFFE market in London. The cost of grain in these countries usually follows the movement of the stock exchange: if futures rise, future supplies also become more expensive. Such a link gives market participants clear guidelines and makes transactions more predictable.
But not all of the world's coffee depends on the stock exchange directly. For example, in Ethiopia, the price is determined by domestic auctions and seasonal demand, and in Kenya it is significantly influenced by the quality and rarity of a particular batch. These models can take into account the dynamics of ICE, but react to it weaker and with a noticeable delay.
В Эфиопии важную роль играет местная кофейная биржа ECX. Цена на ней определяется балансом спроса и предложения в текущем сезоне и не связана с ICE напрямую
Prices for micro lots are also formed differently. Their value depends primarily on the assessment, demand and expenses of the farmer, and not on the exchange level of ICE. Therefore, the prices of such batches rarely repeat the fluctuations of the commercial arabica market.
What is a differential and why is it so important
The exchange price provides the basis for calculation, but the final value of green coffee is formed not only on its basis. An important role is played by the differential — a surcharge or discount, which depends on the country and production conditions.
The differential is influenced by growing conditions, processing method, farm costs, logistics and administrative costs. The overall reliability of the market in a particular country is also important: the more transparent and stable it is, the higher the differential is usually.
Colombia traditionally trades with a positive differential due to stable quality and a controlled export system. In Peru, the situation is reversed. The differential often goes into the red, because buyers lay down the risks associated with the variability of quality and the complexity of controlling the origin of the culture.
Why the coffee market is unstable
High volatility in the coffee market is associated with a combination of short-term and long-term factors. The weather in the countries that produce the bulk of the harvest directly affects the supply. For example, in 2021, severe frosts in Brazil lowered expectations for the harvest and caused a long rise in prices. Similarly, the market is affected by the worsening weather in Vietnam, which determines the supply of robusta and indirectly affects the cost of arabica.
Засухи, заморозки и аномальная жара в Бразилии уменьшают мировой объем арабики и ведут к росту котировок на ICE
Short-term fluctuations reinforce low global stocks. In 2023-2024, their level dropped several times to the lowest values in a decade, and any news about politics, economics or exchange rates caused rapid market movements.
The long-term dynamics are related to climate change, regulatory decisions and production economics. Warming and shifting of the precipitation regime reduce the areas suitable for arabica and increase the risk of crop failure. The environmental requirements of the European Union complicate the access of some small farmers to the European market and limit supply. The cost is growing due to the rise in the cost of fertilizers, labor, transport and equipment, and some farms are switching to other crops. At the same time, global coffee consumption is increasing. As a result, the average price level remains higher than in previous years, and any additional events lead to noticeable fluctuations faster.
How does this affect the Russian market
For Russian buyers, local peculiarities of the coffee market are added to global volatility. The cost of imports depends not only on ICE, but also on the dollar exchange rate and logistics costs. The strengthening of the ruble can temporarily smooth out the growth of world prices, and the weakening can strengthen it. The final cost is affected by an increase in sea freight rates, an increase in insurance and a change in supply routes. Therefore, the dynamics of purchase prices in Russia sometimes differs from the world.
Summary
The price of green coffee is formed from two parts: exchange level and differential. In the countries of mass production, stock quotes set the benchmark: for Brazil and Colombia it is ICE, for Vietnam it is LIFFE. In Ethiopia and Kenya, the cost is determined by domestic auctions, the quality of raw materials and local market conditions.
The differential complements the exchange value. This is a surcharge or discount that reflects the quality of grain, the method of processing, the risks of the transaction and the sustainability of work in a particular country. Countries with a developed quality control system receive a positive differential. Markets where the risks to the buyer are high are more often traded at a discount.
The coffee market is also influenced by global processes. Climate change reduces the predictability of the harvest, and EU environmental requirements limit the access of some small farmers to the market. The cost of production is growing, and the supply is decreasing. At the same time, global consumption is increasing.
As a result, the market remains sensitive to any changes. Short-term news causes fluctuations, and long-term factors keep the value at elevated levels. Even with a decrease in stock market quotations, prices for the finished product fall slowly: contracts are concluded in advance, and logistics and production costs continue to grow.