Monopotassium Phosphate Price Trend and Forecast 2026-2027

Market Overview

India held the priciest monopotassium phosphate of the markets we track through the first half of the year 2026 (H1 2026). Q2 closed at a value of USD 1275/MT against Q1's USD 1255/MT, up 1.6%. Import-linked feedstock costs stayed firm. Growing high-value horticulture and fertigation demand added its own pull on top of that. The global average moved from the USD 1040/MT to a value of USD 1058/MT, a gain of just a 1.7% percent. For the second half of 2026 (H2 2026), a range of an amount of USD 1060 to 1120/MT looks likely worldwide. Steady fertigation demand and firmer phosphoric acid and potash feedstock costs are what's holding it up.

Monopotassium phosphate, MKP for short, is a water-soluble specialty fertilizer and food-grade buffering agent made by reacting the phosphoric acid with potassium hydroxide or potassium carbonate. Unlike the bulk granular fertilizers, it dissolves completely and delivers both the phosphorus and potassium in a chloride-free form. That makes it the preferred choice for the fertigation and hydroponic systems feeding high-value horticultural and greenhouse crops. Food and beverage manufacturers use it as an acidity regulator and buffering agent. Pharmaceutical and laboratory applications rely on it for precise buffer solutions too.

The price mostly tracks three things.

• Phosphoric acid and potash feedstock costs.
• The pace of high-value horticulture and fertigation demand.
• Regional import dependency for water-soluble fertilizer grades.

Monopotassium Phosphate Price Forecast for 2026

The second half of 2026 (H2 2026) opened firm across every market. India's fertigation and greenhouse-horticulture sector kept the import demand climbing. Belgium's established water-soluble fertilizer producers saw a steady European demand. The United States and China both saw the phosphoric acid and potash feedstock costs firm in step with the broader phosphate complex too.

A couple of factors bear watching. A phosphoric acid or potash feedstock spike could push the prices past the top of the range. A slowdown in the high-value horticulture investment, or expanded low-cost Chinese capacity, could pull the market below the floor instead.

For the Quarter Ending June 2026

Monopotassium Phosphate Prices Q2 2026:

• China: USD 915/MT
• United States: USD 1120/MT
• Belgium: USD 1195/MT
• India: USD 1275/MT

Monopotassium Phosphate Prices in China

China's monopotassium phosphate producers passed through firmer phosphoric acid costs in Q2. Domestic fertigation demand held steady at the same time. The gain came to a value of 1.7%, from USD 900/MT to USD 915/MT.

Why did the price of Monopotassium Phosphate change in Q2 2026 in China?

• Phosphoric acid feedstock costs firmed through the quarter.
• Domestic fertigation and greenhouse-horticulture demand held steady.
• Quarter closed at USD 915/MT.

Monopotassium Phosphate Prices in the United States

The US MKP firmed by 1.4% to a value of USD 1120/MT. The specialty-agriculture and horticulture demand stayed steady, and the feedstock costs climbed alongside it.

Why did the price of Monopotassium Phosphate change in Q2 2026 in United States?

• Specialty-agriculture and horticulture demand stayed steady.
• Phosphoric acid and potash feedstock costs climbed.
• Quarter closed at USD 1120/MT.

Monopotassium Phosphate Prices in Belgium

Belgium gained by 1.3% to a value of USD 1195/MT. The European fertigation demand held firm, and the feedstock costs firmed modestly.

Why did the price of Monopotassium Phosphate change in Q2 2026 in Belgium?

• European fertigation and greenhouse demand held firm.
• Feedstock costs firmed modestly.
• Quarter closed at USD 1195/MT.

Monopotassium Phosphate Prices in India

India climbed by 1.6% to a value of USD 1275/MT. The fertigation and high-value horticulture demand kept building through the quarter.

Why did the price of Monopotassium Phosphate change in Q2 2026 in India?

• Fertigation and high-value horticulture demand kept building.
• Import-linked feedstock costs remained on the high side.
• Quarter closed at USD 1275/MT.

For the Quarter Ending March 2026

Monopotassium Phosphate Prices Q1 2026:

• China: USD 900/MT
• United States: USD 1105/MT
• Belgium: USD 1180/MT
• India: USD 1255/MT

Monopotassium Phosphate Prices in China

China gained by 1.7% to a value of USD 900/MT. The domestic fertigation demand firmed as the new growing season approached.

Why did the price of Monopotassium Phosphate change in Q1 2026 in China?

• Domestic fertigation demand firmed ahead of the new growing season.
• Phosphoric acid feedstock costs edged higher.
• Quarter closed at USD 900/MT.

Monopotassium Phosphate Prices in the United States

The US MKP rose by 1.4% to a value of USD 1105/MT. The horticulture-sector demand firmed as the year opened.

Why did the price of Monopotassium Phosphate change in Q1 2026 in United States?

• Horticulture-sector demand firmed with the new year.
• Feedstock costs continued climbing gradually.
• Quarter closed at USD 1105/MT.

Monopotassium Phosphate Prices in Belgium

Belgium gained by 1.3% to a value of USD 1180/MT. The European fertigation demand stayed steady through the quarter.

Why did the price of Monopotassium Phosphate change in Q1 2026 in Belgium?

• European fertigation demand stayed steady.
• Feedstock costs firmed modestly.
• Quarter closed at USD 1180/MT.

Monopotassium Phosphate Prices in India

India climbed by 1.6% to a value of USD 1255/MT. The fertigation demand built ahead of the growing season.

Why did the price of Monopotassium Phosphate change in Q1 2026 in India?

• Fertigation demand built ahead of the growing season.
• Import-linked feedstock costs firmed.
• Quarter closed at USD 1255/MT.

Quarterly Monopotassium Phosphate Price Trends

The global average climbed steadily in every quarter, from the USD 980/MT in Q1 2025 to USD 1058/MT by Q2 2026, a net gain of about 8.0 percent. India led the climb throughout. Its expanding fertigation and high-value horticulture sector pulled harder on the import demand each quarter than the steadier, more mature markets in Europe and North America did.

What was Monopotassium Phosphate Price in 2025?

The year 2025 was a steadily firming year for monopotassium phosphate across every market we track. The global average opened near a value of USD 980/MT in Q1 and climbed in every quarter to close Q4 at USD 1025/MT, a full-year gain of 4.6 percent. India led in percentage terms, up 4.7 percent, on its rapidly expanding fertigation and high-value horticulture sector. China gained 4.1 percent, Belgium 4.0 percent, and the United States 3.8 percent. All were supported by the firming phosphoric acid and potash feedstock costs.

Monopotassium Phosphate Prices in China in 2025

China opened the year 2025 at a value of USD 850/MT and closed the year at USD 885/MT, a gain of 4.1 percent. The domestic fertigation and greenhouse-horticulture demand built steadily through the year. The phosphoric acid feedstock costs firmed in step with it. The net direction for the year was solidly higher, with the fertigation demand as the main driver.

Monopotassium Phosphate Prices in the United States in 2025

The United States opened the year 2025 at a value of USD 1050/MT and closed at USD 1090/MT, a gain of 3.8 percent, the mildest of the four markets. The specialty-agriculture and horticulture demand held steady throughout the year. The feedstock costs firmed only gradually too. The net direction for the year was moderately higher, with the steady specialty-agriculture demand as the main driver.

Monopotassium Phosphate Prices in Belgium in 2025

Belgium opened the year 2025 at a value of USD 1120/MT and closed at USD 1165/MT, a gain of 4.0 percent. The European fertigation and greenhouse demand stayed firm throughout the year at Belgium's established water-soluble fertilizer producers. The feedstock costs firmed steadily alongside it too. The net direction for the year was solidly higher, with the established fertigation demand as the main driver.

Monopotassium Phosphate Prices in India in 2025

India opened the year 2025 at a value of USD 1180/MT and closed at USD 1235/MT, a gain of 4.7 percent, the strongest in percentage terms among the four markets. Rapidly expanding fertigation and high-value horticulture investment kept pulling harder on the import demand every quarter. Import-linked feedstock costs firmed alongside the acceleration too. The net direction for the year was sharply higher, with the expanding fertigation investment as the dominant driver.

How We Can Help

Expert Market Research: Your Source for Real-Time Monopotassium Phosphate Price Intelligence

Expert Market Research keeps a continuous watch on the monopotassium phosphate pricing across every major producing and consuming region. A price alone says very little. Our analysts dig into what actually drives it: the phosphoric acid and potash feedstock economics, the pace of high-value horticulture and fertigation investment, and regional import dependency for water-soluble fertilizer grades. The forecasts draw on the feedstock trends, the capacity utilization, and the trade-flow shifts across all four reporting regions. Contact Expert Market Research today for the monopotassium phosphate pricing data, a bespoke market analysis, and a strategic procurement advisory.