What Drove Coffee C Futures Over the Last Six Months: From Seasonal Lows to Historic Highs

By Hiwot Argaw

In Coffee, Certainty Is a Luxury

Over the last six months, the Coffee C (Arabica) futures market has experienced extreme volatility. Moving from seasonal declines to historic highs, then correcting again. These moves were not random. They followed distinct market phases shaped by Brazil’s harvest cycle, U.S. tariff risk, logistics constraints, and shifting buyer behavior, as reflected in price action and certified stock data from ICE Futures U.S.

Understanding the last six months of coffee market direction is essential to understanding where prices may go next. Weather changes. Logistics tighten. Policy risks appear, then disappear. Buyers hesitate, then rush. Prices fall, spike, and fall again, within a single season.

This review is based on NY Coffee C (KC1!) futures price action over the last six months, focusing on market direction and behavior rather than exact daily closing levels.

Figure 1: Coffee C (NY Arabica) futures price action over the last six months, showing seasonal

weakness, a scarcity-driven October spike, and a December correction.

July–August: When Fear Faded and Prices Fell

The July–August decline was widely misread as a demand collapse. It was not. It was a seasonal and financial reset, consistent with Brazil’s harvest visibility and exporter hedging behavior reported across global trade commentary tracked by Reuters. Prices briefly traded below 300¢/lb in July, reflecting seasonal pressure and aggressive fund profit-taking before sentiment began to turn.

What drove the decline:

• Brazil’s harvest became visible, reducing uncertainty

• Funds locked in profits after a strong rally

• Roasters delayed purchases and increased Robusta substitution

The market did not fall because supply became abundant. It fell because worst-case fears were removed. The uncertainty was not false — it was simply misplaced.

October: Why Prices Reached Historic Highs Despite Harvest Season

October reversed the narrative — violently.

What became clear was simple but critical:

Coffee volume existed, but deliverable coffee did not.

This was confirmed when ICE-certified Arabica stocks failed to rebuild after the Brazilian harvest, according to warehouse data from ICE Futures U.S.

What the market discovered:

• Quality and screen-size issues reduced exportable supply

• ICE stocks failed to rebuild post-harvest

• Roasters who delayed purchases were forced back into the market

• Thin liquidity amplified price reactions

At the same time, U.S. tariff risk on Brazilian coffee entered the equation and quickly priced into futures due to Brazil’s role as the backbone of ICE-deliverable Arabica. October was not speculation. It was a forced repricing of real friction logistics, quality, and policy risk converging at once.

December: Why Prices Fell Again

December marked another turning point.

Prices weakened not because coffee suddenly became abundant, but because the market shifted from scarcity-driven fear to forward-looking expectations. Several factors combined:

• Improving Brazil weather forecasts reduced near-term risk

• U.S. tariff uncertainty was lifted, removing a risk premium

• Funds reduced exposure ahead of year-end

• Buyers, having covered Q4 and early Q1 needs, regained patience

The result was a controlled pullback driven by expectations and positioning, not by a collapse in fundamentals.

U.S. Tariff Relief: What It Changed

Removing the tariff threat did not create supply. It removed a risk premium. Policy clarity relaxes prices temporarily. Fundamentals decide where prices stabilize.

Brazil Weather and the 2026 Arabica Production Outlook

When it comes to Coffee C futures, Brazil’s weather is the anchor. According to crop monitoring and outlooks from CONAB and structural agricultural data from IBGE, conditions are improving but uneven. Brazil is seeing:

• Improved rainfall in key Arabica regions

• Irregular distribution across producing zones

• Temperatures within acceptable ranges

• Uneven vegetative recovery

This is not perfect weather but it is good enough to prevent panic, not strong enough to create confidence. Expected Brazil Arabica production for 2026 represents a moderate recovery, but remains insufficient to comfortably rebuild global stocks.

What come next

→ In Part 2, we examine how the coffee market behaves. what signals matter now, how buyers are operating, and why volatility persists without a clear trend. https://www.alpha-medonus.com/post/how-the-coffee-market-behaves-after-the-rally-signals-volatility-and-buyer-psychology

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