Ion Exchange Share Price

Ion Exchange (India) Limited, headquartered in Mumbai, is a leading provider of water treatment and environment management solutions. The company provides diverse products and services in the domains of industrial water treatment, municipal water purification, and chemical manufacturing. Ion Exchange has a substantial reach with projects executed both in India and internationally. The ION Exchange share price on the NSE and BSE is a reflection of how market participants respond to a company’s performance and broader business developments within its industry. It captures the sentiment of the investors based on financial results, operational updates, macroeconomic factors, and trends specific to sectors. Movements in the share price͏ reveal how the market evaluates the company’s current position and its future prospects, making ͏it a key indicator of market perception across various industries.’

Ion Exchange stock price is being influenced by several factors such as earnings, order book growth, project execution margins, raw material costs, and regulatory policies on environmental standards. In the long run, polices such as technology development, development of new service segments, and growth in international contracts have influences on stock market sentiment. All these factors must be closely monitored to have an idea about the ION Exchange stock price movements.

ION Exchange live share price provides real-time information about the last price traded, bid price, ask price, and volume traded. These indicators represent trading activity and liquidity and the reaction of investors to corporate announcements, quarterly results, and sector news. Constant ͏monitoring of ION Exchange live price helps observe short-term price fluctuations and understand how the stock is moving in relation to the broader market.

Furthermore, monitoring the ION Exchange share͏ price today helps investors understand real-time market sentiment, price volatility, and trading behaviour. It allows market participants to evaluate short-term performance, identify possible entry or exit points, and respond to news, quarterly results or sector trends that may affect the company’s valuation and overall investment outlook.

Ion Exchange (India) Limited Company Fundamentals

ION Exchange Company Background

Ion Exchange has played a significant role in the water treatment and environmental management sector in India for over six decades. Established in 1964 as a subsidiary of the Permutit Company of the UK, it became a wholly Indian-owned company in 1985 following the divestment of its foreign holding. Over the years, the company has gained extensive experience and is recognized for providing a wide spectrum of solutions in water and wastewater treatment, solid waste management, and waste-to-energy systems. Its technologies, products, and services enable multidisciplinary teams to serve diverse clients, including industries, institutions, municipalities, communities, and households. With production, sales, and service operations across national and international markets, the company maintains a consistent focus on technological development, service reliability, and effective project execution. Its capability to deliver integrated solutions with full technical support allows it to address complex water and environmental challenges, making it a consistent contributor to sustainable water management practices and environmental solutions. This combination of technical expertise and operational experience has positioned the company as a notable entity in its sector.

ION Exchange Company Product Lines

Engineering Solutions

• Raw Water Treatment Systems
• Process Treatment Systems
• Post Treatment Systems
• Drinking Water Treatment Plants
• Waste Water Treatment Systems
• Water Recycle Systems
• Zero Liquid Discharge Solutions
• Solid Waste Treatment
• Sludge Dewatering
• Waste to Energy Solutions
• Process Separation & Purification
• 3D Modelling Services

Resins

• INDION Ion Exchange Resins
• Strong Acid Cation Exchange Resins
• Weak Acid Cation Exchange Resins
• Strong Base Anion Exchange Resins
• Specialty Resins
• Pharmaceutical grade Resins
• Custom resin types for industrial and potable applications

Membranes

• Hydramem High Performance Membranes
• UF (Ultrafiltration)
• NF (Nanofiltration)
• RO (Reverse Osmosis)
• Other membrane filtration solutions

Specialty Chemicals

• INDION Specialty Chemical Treatment Programmes
• Cooling Water Treatment Chemicals
• Boiler Water Treatment Chemicals
• Fireside Treatment Chemicals
• Antiscalants
• Membrane Cleaning Chemicals
• Process specific chemical solutions for industries (e.g., sugar, paper, mining, oil & gas)

Instruments & Automation

• Water Quality Monitoring Instruments
• Automation Systems for Treatment Plants
• Sensors and Controls for Process Parameters
• Instruments for pH, conductivity, turbidity, dissolved oxygen, etc

Services

• Operations & Maintenance
• Rehabilitation & Modification
• Consumables & Spares
• Audits & Consultancy
• Project Financing (BOO/T, Lease & Rental)
• Remote Monitoring System

ION Exchange Company Revenue Model

• Product Sales – Revenue from engineered water treatment systems, ion exchange resins, membranes, specialty chemicals, and instruments.
• Engineering & Project Contracts (EPC) – Income from design, procurement, construction, and commissioning of water, wastewater, and environmental management projects.
• Service & Maintenance Contracts – Ongoing revenue from operation, maintenance, rehabilitation, and preventive service of installed systems.
• Consultancy & Technical Services – Revenue from audits, process optimisation, technical advisory, and project consultancy services.
• Consumables & Spare Parts Supply – Sales of replacement parts, consumables, and components for installed water treatment systems.
• Licensing & Technology Royalties – Income from licensing proprietary technologies and intellectual property, including membranes and specialised processes.
• International Operations & Exports – Revenue from sales and services provided through subsidiaries and regional offices outside India.
• Collaboration & Government Projects – Income from contracts with government agencies, municipal bodies, and sustainability/environmental initiatives.

ION Exchange Geographic Presence

India (Domestic Presence)

• Head Office: Mumbai, India
• Regional/Branch Offices: Bengaluru, Bhubaneswar, Chandigarh, Chennai, Delhi, Hyderabad, Kolkata, Lucknow, Vadodara, Vashi, Visakhapatnam
• Manufacturing Units (India): Ankleshwar, Hosur, Patancheru, Rabale (Navi Mumbai), Verna, Wada

Asia & Asia-Pacific

• Bangladesh (presence and subsidiary operations)
• Indonesia (subsidiary and facilities)
• Singapore (subsidiary, regional base)
• Malaysia
• Nepal
• Sri Lanka
• Thailand

Middle East

• Saudi Arabia
• Oman
• United Arab Emirates (UAE) (assembly and operations)

Africa

• East Africa (including Kenya, Tanzania)
• South Africa

Europe

• Portugal

North America

• United States of America (USA)
• Canada

ION Exchange Leadership and Brand Recognition

Some of the key leaders of ION Exchange (India) Limited as of January 2026 are

• Rajesh Sharma – Executive Chairman
• Indraneel Dutt – MD & CEO
• Dinesh Sharma – Vice Chairman
• Aankur Patni – Vice Chairman
• Mahabir Prasad Patni – Non-Executive, Non-Independent Director
• David Rasquinha – Independent Director
• Sanjay Joshi – Independent Director
• Gopalaraman Padmanabhan – Independent Director
• Amitava Guharoy – Independent Director
• Alka Arora Misra – Independent Director

ION Exchange Key Milestones

• 1964 – Ion Exchange established on March 6 as a subsidiary of British Permutit.

• 1985 – Became a wholly Indian-owned company after Permutit divested its holdings.

• 1998 – Ion Exchange Demag Ltd, a 50:50 joint venture with Mannesmann Demag (Germany), incorporated.

• 2002-03 – Hydronautics Membranes India Ltd. and Ion Exchange Finance Ltd. amalgamated with the company.

• 2012  – Ion Exchange Services Ltd. merged with the company; Project Division transferred to Ion Exchange Projects and Engineering Ltd.

• 2014 – Board allotted shares to shareholders of Ion Exchange Services Ltd. post-amalgamation.

• 2018 – State-of-the-art membrane manufacturing facility inaugurated at Goa; acquired Waterleau Group N.V., Belgium.

• 2019 – Launched INDION SWIFT 5Gx for high-purity water systems in pharma, power, semiconductor, and electronics industries.

• 2023  – Acquired 100% stake in MAPRIL, Portugal.

• 2025  – Commissioned largest desalination plant in North Africa with 40 MLD capacity; completed major infrastructure for Sri Lanka EPC project.

• 2025 – Expanded Consumer Products Division with ZeroB Power Flow RO, UV Lite, and automated Sand, Carbon, and Iron Filters; introduced MBR-based STPs and Indionr Quencher in institutional segment; Auto Quencher for hospitality sector.

• 2024-25  – Accelerated digital transformation with AI, marketing automation, and expanded digital outreach domestically and internationally; launched concept-based and key products.

 Industry Perspective

Ion Exchange (India) Ltd. operates within the water and wastewater treatment industry, a sector critical to ensuring access to clean water, sanitation, and environmental compliance across municipal, industrial, commercial, and residential segments. Globally, the water and wastewater treatment market is projected to expand substantially, with estimates indicating it could grow from an estimated USD 370 billion in 2025 to over USD 650 billion by 2034, reflecting a compound annual growth rate (CAGR) of around 6.5 % over that period. This growth is driven by rising water scarcity, regulatory pressures to improve water quality, and investments in advanced technologies such as membrane systems, biological treatment, and recycling solutions.

Regionally, the global water treatment systems market is forecast to grow at a ~7.1 % CAGR between 2025 and 2035, supported by industrial water demand and expanding municipal infrastructure. In India, water and wastewater treatment solutions are expected to grow robustly, with market forecasts indicating double digit growth, reflecting increasing government initiatives, regulatory requirements for effluent treatment, and expanding urban water infrastructure.

The industry encompasses a wide range of technologies — including reverse osmosis, filtration, ion exchange resins, and Zero Liquid Discharge (ZLD) systems — that address both water purification and wastewater management needs. Trends such as digital monitoring, resource recovery, and circular water economies are also shaping future growth prospects globally and in emerging markets.

Ion Exchange (India) Ltd. stands to benefit from the growing global and domestic demand for water and wastewater treatment solutions. Expanding regulatory requirements, industrial water needs, and urban infrastructure projects will drive adoption of its advanced technologies, including membrane systems, ion exchange, and Zero Liquid Discharge solutions. Strategic acquisitions, digital transformation, and international projects will enhance market reach, operational efficiency, and revenue growth, positioning the company strongly in a high-growth sector.

Ion Exchange (India) Limited Stock Market Presence: Listings & Index Representation

Ion Exchange (India) Limited is listed on the BSE with scrip code 500214, and it is traded on the NSE (National Stock Exchange) under the symbol IONEXCHANG. Ion Exchange (India) Limited is a well-established entity in the Indian stock market, listed on major exchanges. Its inclusion in prominent indices like the S&P BSE Small Cap, S&P BSE Mid Small Cap, S&P BSE Utilities, S&P BSE All Cap, BSE 1000, Nifty Microcap 250, and Nifty Total Market underscores the company’s significance in India’s industrial and environmental services sector.

Ion Exchange stock price is closely tracked by investors. Its inclusion in these indices reflects its market capitalisation and scale in water treatment. Listing on NSE and BSE ensures liquidity, while index presence within the small and mid-cap segments drives institutional holdings and benchmark tracking in the capital goods and utilities sectors.

ION Exchange (India) Limited Stock Performance and Ion Exchange Share Price History

The Ion Exchange share price on NSE and BSE reflects its status as a leading player in the water treatment industry. Performance is driven by revenue growth, order inflows, project execution, and operating margins. Investors compare the Ion Exchange share price today with sectoral indices and peer companies to gauge relative performance.

These underlying factors are often visible through real market movements across different periods. Similar trends are observed during earnings-driven movements. Broader sector strength has also played a role in supporting the Ion Exchange share price. In addition to operational and sector-led factors, corporate actions can also have a significant impact on Ion Exchange share price movements short-term even when the company’s fundamentals remain strong. This shows how corporate actions can trigger short-term swings.

While short-term movements reflect events and announcements, longer-term valuation trends are visible through the Ion Exchange share price 52-week high and low, providing context beyond daily or weekly changes. The stock’s 52-week high was ₹655 and the low was ₹330.95, with the last traded price of ₹351.30 sitting closer to the low. Highs indicate strong order book visibility and stable margins, while lows align with market corrections or sector volatility. These levels capture impacts of economic cycles, raw material inflation, earnings visibility, and project delays, providing context for the stock’s historical performance.

Ion Exchange’s stock performance reflects the trading behaviour of a company operating within India’s industrial and environmental projects sector. The company’s diversified portfolio across industrial, municipal, and consumer segments has shaped its Ion Exchange share price history. Over the last decade, the Ion Exchange stock price has shown significant wealth creation, marked by periods of sharp gains and phases of consolidation.

The stock delivered strong long-term returns, gaining 81.27% over five years. This growth was not linear, however. A major rally occurred between 2021 and 2024, where the Ion Exchange share price increased dramatically, driving the market cap from ₹25.82 billion in December 2021 to ₹80.78 billion by December 2024—an increase of over 210% in three years. This surge reflected exceptional earnings growth and heightened investor confidence in the company’s expansion. The Ion Exchange share price reached an all-time high of ₹768.40 in early 2024.

This upward trajectory saw a sharp reversal in the most recent period. The Ion Exchange share price decreased by 45.93% over one year, underperforming the Nifty50 (up 7.77%) and its own sector. This significant decline in the Ion Exchange stock price was primarily driven by a substantial correction in earnings. Consolidated Earnings Per Share (EPS) fell from ₹138.27 in March 2023 to ₹13.78 in March 2024 and ₹14.61 in March 2025. This compression in profitability led to a market cap decrease of 46.17% in one year, from ₹80.78 billion in December 2024 to ₹43.18 billion.

The Ion Exchange stock price performance over time has followed project cycles and earnings visibility. For instance, the Ion Exchange share price delivered remarkable returns of 104.18% in the calendar year 2023. However, it then fell by 41.83% in 2025. Quarterly return patterns show volatility, with an average second-quarter (Q2) gain of 14.76% over five years, but the stock fell by 29% in Q1 2025 and 25.78% in Q3 2025. These swings highlight how the Ion Exchange share price reacts to quarterly results and order book announcements.

Despite recent disruptions, Ion Exchange shares have shown periods of strong resilience. While the broader industrial sector faced rising input costs and execution challenges, the company’s established market position and technology portfolio helped the stock retain long-term investor interest. The current Ion Exchange share price, trading near its yearly low, reflects a market reassessment of near-term growth and profitability, even as the long-term outlook for water treatment remains stable.

ION Exchange (India) Limited Investor Relevance and Role in Portfolio

Ion Exchange (India) is a key holding in small-cap and thematic portfolios focused on environmental services and industrial growth, offering exposure to water treatment, chemical technology, and project-based revenue. Inclusion in indices like the S&P BSE Small Cap and Nifty Microcap 250 underscores its relevance within the capital goods and utilities investment universe. Its project expertise and established client relationships make it a choice for investors seeking exposure to India’s infrastructure and clean water themes.

Ion Exchange equity is held by a broad mix of leading domestic and international institutional investors, reflecting its prominence in a niche sector. Top institutional stakeholders include Nippon Life India Asset Management Limited, HDFC Asset Management Company Limited, Franklin Resources, Inc., The Vanguard Group, Inc., Abakkus Asset Manager LLP, Aqua Investments India Ltd, Water care Investments India Ltd, Sundaram Asset Management Company Ltd., the Investor Education and Protection Fund (IEPF), and Norges Bank Investment Management.

Prominent mutual fund holders include Nippon India Small Cap Fund, HDFC Small Cap Fund, Franklin ClearBridge Canadian Small Cap Fund, Franklin India Smaller Companies Fund, the Government Pension Fund Global, Vanguard Total International Stock ETF, Vanguard FTSE Emerging Markets ETF, Sundaram Small Cap Fund, Franklin Build India Fund, and the Vanguard Institutional Total International Stock Market Index Trust II. This investor base underscores the stock’s role as a component in both domestic small-cap and global emerging market portfolios.

Beyond fundamentals and ownership, technical indicators such as Ion Exchange RSI, MACD, and MFI provide additional insight into short-term momentum shifts in the Ion Exchange stock price. While primarily used for near-term trading, these tools can also help gauge market sentiment and potential volatility around major events like quarterly results or large contract announcements.

Ion Exchange’s beta indicates its volatility relative to the market. The beta value is 1.04 on a weekly one-year range, 1.20 on a weekly two-year range, and 1.25 on a monthly two-year range, suggesting the Ion Exchange share price has shown a correlation slightly above the market over these medium-term periods, with higher volatility. In contrast, short-term daily beta readings over one and three months were -0.096 and 0.063, respectively, indicating low correlation to daily market moves recently. The mean price across these beta calculation periods ranged from approximately ₹367 to ₹530, with standard deviation increasing over longer timeframes, from 2.05 for daily one-month to 9.72 for monthly two-year, highlighting greater price variability over longer holding periods.

ION Exchange (India) Limited Sectoral Relevance and Peer Positioning

Ion Exchange’s sector relevance stems from its technology and scale in water and environment management, establishing it as a key player supporting India’s industrial and municipal infrastructure ecosystem. Peer comparisons with other engineering and water treatment companies focus on order book size, technology portfolio, project execution margins, and return ratios rather than short-term stock moves. These benchmarks help investors assess operational scale, efficiency, and positioning within the environmental services market. Institutional tracking of tender inflows, raw material costs, and regulatory trends further highlights the company’s importance within India’s broader industrial and sustainability themes.

Ion Exchange market cap history shows significant growth and recent correction, aligning with its earnings cycle. The market cap increased from ₹25.82 billion in December 2021 to a peak of ₹80.78 billion by December 2024, a jump of 212.8% in three years. This surge reflected a period of exceptional investor confidence and high earnings. However, the Ion Exchange share price and market cap decreased by 42.02% in 2025, falling to ₹46.84 billion by December 31, 2025, and further to approximately ₹43.18 billion in January 2026. Since its listing in 2001 at ₹289.59 million, the market cap has grown by over 14,800%, representing a compound annual growth rate of 22.67%.

ION Exchange earnings history reveals a trajectory of strong growth followed by a recent contraction. Net Income grew steadily from ₹93.48 crore in March 2020 to ₹196.74 crore in March 2023, representing a compound annual growth rate of 17.50% over five years. This growth was supported by rising revenues, which increased from ₹1,458.67 crore in March 2020 to ₹2,737.11 crore in March 2025. However, earnings growth paused recently, with Net Income at ₹196.02 crore in March 2024 and ₹207.81 crore in March 2025. The Operating Profit margin also saw pressure, growing only 1.11% over three years, indicating rising costs amid top-line expansion.

ION Exchange EPS (Earnings Per Share) history presents a similar pattern of high growth and a sharp decline. Basic EPS on a consolidated basis rose from ₹101.16 in March 2021 to a high of ₹138.27 in March 2023. A significant change in reporting led to a drastic drop in reported EPS to ₹13.78 in March 2024 and a slight recovery to ₹14.61 in March 2025. Consequently, the five-year CAGR for EPS is negative 26.47%. This EPS compression is a primary factor behind the recent downward pressure on the Ion Exchange share price, as the market valuation adjusted to the revised earnings base.

ION Exchange P/E ratio history reflects shifting market valuations amidst changing earnings. The P/E ratio was very low at 1.29x in March 2021 and 1.44x in March 2022, before rising to 2.47x in March 2023. As the stock price rallied while earnings normalized, the P/E ratio expanded dramatically to 36.81x in March 2024. It then moderated to 32.14x in March 2025 as the share price corrected. The latest reported P/E is 26.65 for the latest fiscal year and 23.79 on a trailing twelve-month basis, indicating the market has recalibrated valuations following the earnings shift.

Summary

Ion Exchange (India) Limited is a prominent player in the water and environment management sector, listed on the NSE and BSE. The Ion Exchange share price is influenced by project execution, earnings trends, and sectoral developments. Its stock performance has seen significant long-term appreciation alongside recent volatility, reflected in its market cap and valuation history. The company is held by a range of domestic and international institutional and mutual fund investors, highlighting its role within thematic and small-cap portfolios