
Continuous Glucose Monitor Global Market Insights 2025, Analysis and Forecast to 2030, by Manufacturers, Regions, Technology, Application
Description
Overview
The Continuous Glucose Monitor (CGM) market is experiencing substantial growth, projected to reach USD 3.5 billion by 2025, with a compound annual growth rate (CAGR) of approximately 6.5% from 2021 to 2025. This growth is driven by the rising prevalence of diabetes, technological advancements in CGM systems, and the growing awareness regarding diabetes management.
Market Size
In 2020, the global CGM market was valued at approximately USD 2.7 billion. As of 2025, experts predict that the market will expand to USD 3.5 billion. This growth can be attributed to an increasing diabetic population, estimated to reach over 537 million globally by 2025, alongside a shift toward more patient-friendly monitoring solutions.
Market Share & Trends Analysis
By Product Type
The CGM market is segmented into wearable devices and software solutions. The wearable devices segment currently holds about 80% of the total market share, with a projected growth rate of 5%-8% over the coming years. In contrast, the software segment, utilized for data analysis and trend monitoring, is expected to grow rapidly due to the integration of artificial intelligence and cloud-based technologies.
Key Players
The competitive landscape features several key players:
- DexCom
- Abbott Laboratories
- Medtronic
- Roche Diagnostics
- LifeScan
- Ascensia Diabetes Care
- Senseonics
- GlucoTrack
- Nemaura Medical
- A. Menarini Diagnostics
By Process
The market can further be segmented by the processes involved, which include traditional and advanced processes. Traditional CGMs, which operate on a basic algorithm, account for approximately 60% of the market share, while advanced CGMs leveraging machine learning technologies are anticipated to grow at a rate of 7%-10% per year.
By Application
The application segment of the market is divided into home and hospital use. Home applications dominate the market, holding around 70% of the share due to the rising trend of self-monitoring diabetes at home. The hospital segment, on the other hand, is expected to expand with a boost of 4%-6% CAGR as healthcare institutions increasingly implement CGMs for better patient management.
By End-Use
CGMs are commonly utilized in various end-use segments, predominantly by hospitals and clinics. In 2025, hospitals are expected to account for nearly 60% of the volume share, driven by the growing need for continual patient monitoring and real-time data analysis in clinical settings.
By Region
Regionally, North America holds the largest share of the CGM market due to high diabetes prevalence and greater adoption of advanced healthcare technologies, contributing around 40% to the market share. Europe follows with a share of about 30%, attributed to supportive programs for diabetes care and significant investments in healthcare innovation. The Asia-Pacific region is anticipated to witness the fastest growth, with a CAGR of 8%-10% from 2021 to 2025, propelled by increasing health awareness and expanding healthcare infrastructures.
Market News on Policy and Companies
Several recent regulatory developments have occurred within the CGM industry aimed at enhancing the safety and effectiveness of these devices. The FDA has introduced more stringent guidelines to ensure reliable performance in CGMs, which is expected to shape competitive strategies among major players. Additionally, companies such as DexCom and Abbott Laboratories have made significant strides in launching next-generation CGM systems, further solidifying their standing in the market.
Segment Forecasts (2025 - 2030)
Going forward, the CGM market is forecasted to continue its upward trajectory, with expectations of reaching USD 5 billion by 2030. The shift toward digital health solutions and smart technologies in diabetes management is likely to revolutionize traditional monitoring processes, leading to an average CAGR of 8%-11% over the next decade.
Conclusion
In summary, the Continuous Glucose Monitor market is poised for remarkable growth through 2025, driven by increasing diabetes prevalence worldwide, innovations in technology, and rising healthcare expenditures. Stakeholders, including manufacturers, healthcare providers, and patients, will benefit from the advancements in this field, leading to improved patient outcomes and enhanced quality of life for individuals managing diabetes.
Table of Contents
- Chapter 1 Executive Summary
- Chapter 2 Abbreviation and Acronyms
- Chapter 3 Preface
- 3.1 Research Scope
- 3.2 Research Sources
- 3.2.1 Data Sources
- 3.2.2 Assumptions
- 3.3 Research Method
- Chapter 4 Market Landscape
- 4.1 Market Overview
- 4.2 Classification/Types
- 4.3 Application/End Users
- Chapter 5 Market Trend Analysis
- 5.1 Introduction
- 5.2 Drivers
- 5.3 Restraints
- 5.4 Opportunities
- 5.5 Threats
- Chapter 6 Industry Chain Analysis
- 6.1 Upstream/Suppliers Analysis
- 6.2 Continuous Glucose Monitor Analysis
- 6.2.1 Technology Analysis
- 6.2.2 Cost Analysis
- 6.2.3 Market Channel Analysis
- 6.3 Downstream Buyers/End Users
- Chapter 7 Latest Market Dynamics
- 7.1 Latest News
- 7.2 Merger and Acquisition
- 7.3 Planned/Future Project
- 7.4 Policy Dynamics
- Chapter 8 Trading Analysis
- 8.1 Export of Continuous Glucose Monitor by Region
- 8.2 Import of Continuous Glucose Monitor by Region
- 8.3 Balance of Trade
- Chapter 9 Historical and Forecast Continuous Glucose Monitor Market in North America (2020-2030)
- 9.1 Continuous Glucose Monitor Market Size
- 9.2 Continuous Glucose Monitor Demand by End Use
- 9.3 Competition by Players/Suppliers
- 9.4 Type Segmentation and Price
- 9.5 Key Countries Analysis
- 9.5.1 United States
- 9.5.2 Canada
- 9.5.3 Mexico
- Chapter 10 Historical and Forecast Continuous Glucose Monitor Market in South America (2020-2030)
- 10.1 Continuous Glucose Monitor Market Size
- 10.2 Continuous Glucose Monitor Demand by End Use
- 10.3 Competition by Players/Suppliers
- 10.4 Type Segmentation and Price
- 10.5 Key Countries Analysis
- 10.5.1 Brazil
- 10.5.2 Argentina
- 10.5.3 Chile
- 10.5.4 Peru
- Chapter 11 Historical and Forecast Continuous Glucose Monitor Market in Asia & Pacific (2020-2030)
- 11.1 Continuous Glucose Monitor Market Size
- 11.2 Continuous Glucose Monitor Demand by End Use
- 11.3 Competition by Players/Suppliers
- 11.4 Type Segmentation and Price
- 11.5 Key Countries Analysis
- 11.5.1 China
- 11.5.2 India
- 11.5.3 Japan
- 11.5.4 South Korea
- 11.5.5 Southest Asia
- 11.5.6 Australia
- Chapter 12 Historical and Forecast Continuous Glucose Monitor Market in Europe (2020-2030)
- 12.1 Continuous Glucose Monitor Market Size
- 12.2 Continuous Glucose Monitor Demand by End Use
- 12.3 Competition by Players/Suppliers
- 12.4 Type Segmentation and Price
- 12.5 Key Countries Analysis
- 12.5.1 Germany
- 12.5.2 France
- 12.5.3 United Kingdom
- 12.5.4 Italy
- 12.5.5 Spain
- 12.5.6 Belgium
- 12.5.7 Netherlands
- 12.5.8 Austria
- 12.5.9 Poland
- 12.5.10 Russia
- Chapter 13 Historical and Forecast Continuous Glucose Monitor Market in MEA (2020-2030)
- 13.1 Continuous Glucose Monitor Market Size
- 13.2 Continuous Glucose Monitor Demand by End Use
- 13.3 Competition by Players/Suppliers
- 13.4 Type Segmentation and Price
- 13.5 Key Countries Analysis
- 13.5.1 Egypt
- 13.5.2 Israel
- 13.5.3 South Africa
- 13.5.4 Gulf Cooperation Council Countries
- 13.5.5 Turkey
- Chapter 14 Summary For Global Continuous Glucose Monitor Market (2020-2025)
- 14.1 Continuous Glucose Monitor Market Size
- 14.2 Continuous Glucose Monitor Demand by End Use
- 14.3 Competition by Players/Suppliers
- 14.4 Type Segmentation and Price
- Chapter 15 Global Continuous Glucose Monitor Market Forecast (2025-2030)
- 15.1 Continuous Glucose Monitor Market Size Forecast
- 15.2 Continuous Glucose Monitor Demand Forecast
- 15.3 Competition by Players/Suppliers
- 15.4 Type Segmentation and Price Forecast
- Chapter 16 Analysis of Global Key Vendors
- 16.1 DexCom
- 16.1.1 Company Profile
- 16.1.2 Main Business and Continuous Glucose Monitor Information
- 16.1.3 SWOT Analysis of DexCom
- 16.1.4 DexCom Continuous Glucose Monitor Sales, Revenue, Price and Gross Margin (2020-2025)
- 16.2 Abbott Laboratories
- 16.2.1 Company Profile
- 16.2.2 Main Business and Continuous Glucose Monitor Information
- 16.2.3 SWOT Analysis of Abbott Laboratories
- 16.2.4 Abbott Laboratories Continuous Glucose Monitor Sales, Revenue, Price and Gross Margin (2020-2025)
- 16.3 Medtronic
- 16.3.1 Company Profile
- 16.3.2 Main Business and Continuous Glucose Monitor Information
- 16.3.3 SWOT Analysis of Medtronic
- 16.3.4 Medtronic Continuous Glucose Monitor Sales, Revenue, Price and Gross Margin (2020-2025)
- 16.4 Roche Diagnostics
- 16.4.1 Company Profile
- 16.4.2 Main Business and Continuous Glucose Monitor Information
- 16.4.3 SWOT Analysis of Roche Diagnostics
- 16.4.4 Roche Diagnostics Continuous Glucose Monitor Sales, Revenue, Price and Gross Margin (2020-2025)
- 16.5 LifeScan
- 16.5.1 Company Profile
- 16.5.2 Main Business and Continuous Glucose Monitor Information
- 16.5.3 SWOT Analysis of LifeScan
- 16.5.4 LifeScan Continuous Glucose Monitor Sales, Revenue, Price and Gross Margin (2020-2025)
- 16.6 Ascensia Diabetes Care
- 16.6.1 Company Profile
- 16.6.2 Main Business and Continuous Glucose Monitor Information
- 16.6.3 SWOT Analysis of Ascensia Diabetes Care
- 16.6.4 Ascensia Diabetes Care Continuous Glucose Monitor Sales, Revenue, Price and Gross Margin (2020-2025)
- Please ask for sample pages for full companies list
- Tables and Figures
- Table Abbreviation and Acronyms List
- Table Research Scope of Continuous Glucose Monitor Report
- Table Data Sources of Continuous Glucose Monitor Report
- Table Major Assumptions of Continuous Glucose Monitor Report
- Figure Market Size Estimated Method
- Figure Major Forecasting Factors
- Figure Continuous Glucose Monitor Picture
- Table Continuous Glucose Monitor Classification
- Table Continuous Glucose Monitor Applications List
- Table Drivers of Continuous Glucose Monitor Market
- Table Restraints of Continuous Glucose Monitor Market
- Table Opportunities of Continuous Glucose Monitor Market
- Table Threats of Continuous Glucose Monitor Market
- Table Covid-19 Impact For Continuous Glucose Monitor Market
- Table Raw Materials Suppliers List
- Table Different Production Methods of Continuous Glucose Monitor
- Table Cost Structure Analysis of Continuous Glucose Monitor
- Table Key End Users List
- Table Latest News of Continuous Glucose Monitor Market
- Table Merger and Acquisition List
- Table Planned/Future Project of Continuous Glucose Monitor Market
- Table Policy of Continuous Glucose Monitor Market
- Table 2020-2030 Regional Export of Continuous Glucose Monitor
- Table 2020-2030 Regional Import of Continuous Glucose Monitor
- Table 2020-2030 Regional Trade Balance
- Figure 2020-2030 Regional Trade Balance
- Table 2020-2030 North America Continuous Glucose Monitor Market Size and Market Volume List
- Figure 2020-2030 North America Continuous Glucose Monitor Market Size and CAGR
- Figure 2020-2030 North America Continuous Glucose Monitor Market Volume and CAGR
- Table 2020-2030 North America Continuous Glucose Monitor Demand List by Application
- Table 2020-2025 North America Continuous Glucose Monitor Key Players Sales List
- Table 2020-2025 North America Continuous Glucose Monitor Key Players Market Share List
- Table 2020-2030 North America Continuous Glucose Monitor Demand List by Type
- Table 2020-2025 North America Continuous Glucose Monitor Price List by Type
- Table 2020-2030 United States Continuous Glucose Monitor Market Size and Market Volume List
- Table 2020-2030 United States Continuous Glucose Monitor Import & Export List
- Table 2020-2030 Canada Continuous Glucose Monitor Market Size and Market Volume List
- Table 2020-2030 Canada Continuous Glucose Monitor Import & Export List
- Table 2020-2030 Mexico Continuous Glucose Monitor Market Size and Market Volume List
- Table 2020-2030 Mexico Continuous Glucose Monitor Import & Export List
- Table 2020-2030 South America Continuous Glucose Monitor Market Size and Market Volume List
- Figure 2020-2030 South America Continuous Glucose Monitor Market Size and CAGR
- Figure 2020-2030 South America Continuous Glucose Monitor Market Volume and CAGR
- Table 2020-2030 South America Continuous Glucose Monitor Demand List by Application
- Table 2020-2025 South America Continuous Glucose Monitor Key Players Sales List
- Table 2020-2025 South America Continuous Glucose Monitor Key Players Market Share List
- Table 2020-2030 South America Continuous Glucose Monitor Demand List by Type
- Table 2020-2025 South America Continuous Glucose Monitor Price List by Type
- Table 2020-2030 Brazil Continuous Glucose Monitor Market Size and Market Volume List
- Table 2020-2030 Brazil Continuous Glucose Monitor Import & Export List
- Table 2020-2030 Argentina Continuous Glucose Monitor Market Size and Market Volume List
- Table 2020-2030 Argentina Continuous Glucose Monitor Import & Export List
- Table 2020-2030 Chile Continuous Glucose Monitor Market Size and Market Volume List
- Table 2020-2030 Chile Continuous Glucose Monitor Import & Export List
- Table 2020-2030 Peru Continuous Glucose Monitor Market Size and Market Volume List
- Table 2020-2030 Peru Continuous Glucose Monitor Import & Export List
- Table 2020-2030 Asia & Pacific Continuous Glucose Monitor Market Size and Market Volume List
- Figure 2020-2030 Asia & Pacific Continuous Glucose Monitor Market Size and CAGR
- Figure 2020-2030 Asia & Pacific Continuous Glucose Monitor Market Volume and CAGR
- Table 2020-2030 Asia & Pacific Continuous Glucose Monitor Demand List by Application
- Table 2020-2025 Asia & Pacific Continuous Glucose Monitor Key Players Sales List
- Table 2020-2025 Asia & Pacific Continuous Glucose Monitor Key Players Market Share List
- Table 2020-2030 Asia & Pacific Continuous Glucose Monitor Demand List by Type
- Table 2020-2025 Asia & Pacific Continuous Glucose Monitor Price List by Type
- Table 2020-2030 China Continuous Glucose Monitor Market Size and Market Volume List
- Table 2020-2030 China Continuous Glucose Monitor Import & Export List
- Table 2020-2030 India Continuous Glucose Monitor Market Size and Market Volume List
- Table 2020-2030 India Continuous Glucose Monitor Import & Export List
- Table 2020-2030 Japan Continuous Glucose Monitor Market Size and Market Volume List
- Table 2020-2030 Japan Continuous Glucose Monitor Import & Export List
- Table 2020-2030 South Korea Continuous Glucose Monitor Market Size and Market Volume List
- Table 2020-2030 South Korea Continuous Glucose Monitor Import & Export List
- Table 2020-2030 Southeast Asia Continuous Glucose Monitor Market Size List
- Table 2020-2030 Southeast Asia Continuous Glucose Monitor Market Volume List
- Table 2020-2030 Southeast Asia Continuous Glucose Monitor Import List
- Table 2020-2030 Southeast Asia Continuous Glucose Monitor Export List
- Table 2020-2030 Australia Continuous Glucose Monitor Market Size and Market Volume List
- Table 2020-2030 Australia Continuous Glucose Monitor Import & Export List
- Table 2020-2030 Europe Continuous Glucose Monitor Market Size and Market Volume List
- Figure 2020-2030 Europe Continuous Glucose Monitor Market Size and CAGR
- Figure 2020-2030 Europe Continuous Glucose Monitor Market Volume and CAGR
- Table 2020-2030 Europe Continuous Glucose Monitor Demand List by Application
- Table 2020-2025 Europe Continuous Glucose Monitor Key Players Sales List
- Table 2020-2025 Europe Continuous Glucose Monitor Key Players Market Share List
- Table 2020-2030 Europe Continuous Glucose Monitor Demand List by Type
- Table 2020-2025 Europe Continuous Glucose Monitor Price List by Type
- Table 2020-2030 Germany Continuous Glucose Monitor Market Size and Market Volume List
- Table 2020-2030 Germany Continuous Glucose Monitor Import & Export List
- Table 2020-2030 France Continuous Glucose Monitor Market Size and Market Volume List
- Table 2020-2030 France Continuous Glucose Monitor Import & Export List
- Table 2020-2030 United Kingdom Continuous Glucose Monitor Market Size and Market Volume List
- Table 2020-2030 United Kingdom Continuous Glucose Monitor Import & Export List
- Table 2020-2030 Italy Continuous Glucose Monitor Market Size and Market Volume List
- Table 2020-2030 Italy Continuous Glucose Monitor Import & Export List
- Table 2020-2030 Spain Continuous Glucose Monitor Market Size and Market Volume List
- Table 2020-2030 Spain Continuous Glucose Monitor Import & Export List
- Table 2020-2030 Belgium Continuous Glucose Monitor Market Size and Market Volume List
- Table 2020-2030 Belgium Continuous Glucose Monitor Import & Export List
- Table 2020-2030 Netherlands Continuous Glucose Monitor Market Size and Market Volume List
- Table 2020-2030 Netherlands Continuous Glucose Monitor Import & Export List
- Table 2020-2030 Austria Continuous Glucose Monitor Market Size and Market Volume List
- Table 2020-2030 Austria Continuous Glucose Monitor Import & Export List
- Table 2020-2030 Poland Continuous Glucose Monitor Market Size and Market Volume List
- Table 2020-2030 Poland Continuous Glucose Monitor Import & Export List
- Table 2020-2030 Russia Continuous Glucose Monitor Market Size and Market Volume List
- Table 2020-2030 Russia Continuous Glucose Monitor Import & Export List
- Table 2020-2030 MEA Continuous Glucose Monitor Market Size and Market Volume List
- Figure 2020-2030 MEA Continuous Glucose Monitor Market Size and CAGR
- Figure 2020-2030 MEA Continuous Glucose Monitor Market Volume and CAGR
- Table 2020-2030 MEA Continuous Glucose Monitor Demand List by Application
- Table 2020-2025 MEA Continuous Glucose Monitor Key Players Sales List
- Table 2020-2025 MEA Continuous Glucose Monitor Key Players Market Share List
- Table 2020-2030 MEA Continuous Glucose Monitor Demand List by Type
- Table 2020-2025 MEA Continuous Glucose Monitor Price List by Type
- Table 2020-2030 Egypt Continuous Glucose Monitor Market Size and Market Volume List
- Table 2020-2030 Egypt Continuous Glucose Monitor Import & Export List
- Table 2020-2030 Israel Continuous Glucose Monitor Market Size and Market Volume List
- Table 2020-2030 Israel Continuous Glucose Monitor Import & Export List
- Table 2020-2030 South Africa Continuous Glucose Monitor Market Size and Market Volume List
- Table 2020-2030 South Africa Continuous Glucose Monitor Import & Export List
- Table 2020-2030 Gulf Cooperation Council Countries Continuous Glucose Monitor Market Size and Market Volume List
- Table 2020-2030 Gulf Cooperation Council Countries Continuous Glucose Monitor Import & Export List
- Table 2020-2030 Turkey Continuous Glucose Monitor Market Size and Market Volume List
- Table 2020-2030 Turkey Continuous Glucose Monitor Import & Export List
- Table 2020-2025 Global Continuous Glucose Monitor Market Size List by Region
- Table 2020-2025 Global Continuous Glucose Monitor Market Size Share List by Region
- Table 2020-2025 Global Continuous Glucose Monitor Market Volume List by Region
- Table 2020-2025 Global Continuous Glucose Monitor Market Volume Share List by Region
- Table 2020-2025 Global Continuous Glucose Monitor Demand List by Application
- Table 2020-2025 Global Continuous Glucose Monitor Demand Market Share List by Application
- Table 2020-2025 Global Continuous Glucose Monitor Key Vendors Sales List
- Table 2020-2025 Global Continuous Glucose Monitor Key Vendors Sales Share List
- Figure 2020-2025 Global Continuous Glucose Monitor Market Volume and Growth Rate
- Table 2020-2025 Global Continuous Glucose Monitor Key Vendors Revenue List
- Figure 2020-2025 Global Continuous Glucose Monitor Market Size and Growth Rate
- Table 2020-2025 Global Continuous Glucose Monitor Key Vendors Revenue Share List
- Table 2020-2025 Global Continuous Glucose Monitor Demand List by Type
- Table 2020-2025 Global Continuous Glucose Monitor Demand Market Share List by Type
- Table 2020-2025 Regional Continuous Glucose Monitor Price List
- Table 2025-2030 Global Continuous Glucose Monitor Market Size List by Region
- Table 2025-2030 Global Continuous Glucose Monitor Market Size Share List by Region
- Table 2025-2030 Global Continuous Glucose Monitor Market Volume List by Region
- Table 2025-2030 Global Continuous Glucose Monitor Market Volume Share List by Region
- Table 2025-2030 Global Continuous Glucose Monitor Demand List by Application
- Table 2025-2030 Global Continuous Glucose Monitor Demand Market Share List by Application
- Table 2025-2030 Global Continuous Glucose Monitor Key Vendors Sales List
- Table 2025-2030 Global Continuous Glucose Monitor Key Vendors Sales Share List
- Figure 2025-2030 Global Continuous Glucose Monitor Market Volume and Growth Rate
- Table 2025-2030 Global Continuous Glucose Monitor Key Vendors Revenue List
- Figure 2025-2030 Global Continuous Glucose Monitor Market Size and Growth Rate
- Table 2025-2030 Global Continuous Glucose Monitor Key Vendors Revenue Share List
- Table 2025-2030 Global Continuous Glucose Monitor Demand List by Type
- Table 2025-2030 Global Continuous Glucose Monitor Demand Market Share List by Type
- Table 2025-2030 Continuous Glucose Monitor Regional Price List
- Table DexCom Information
- Table SWOT Analysis of DexCom
- Table 2020-2025 DexCom Continuous Glucose Monitor Sale Volume Price Cost Revenue
- Figure 2020-2025 DexCom Continuous Glucose Monitor Sale Volume and Growth Rate
- Figure 2020-2025 DexCom Continuous Glucose Monitor Market Share
- Table Abbott Laboratories Information
- Table SWOT Analysis of Abbott Laboratories
- Table 2020-2025 Abbott Laboratories Continuous Glucose Monitor Sale Volume Price Cost Revenue
- Figure 2020-2025 Abbott Laboratories Continuous Glucose Monitor Sale Volume and Growth Rate
- Figure 2020-2025 Abbott Laboratories Continuous Glucose Monitor Market Share
- Table Medtronic Information
- Table SWOT Analysis of Medtronic
- Table 2020-2025 Medtronic Continuous Glucose Monitor Sale Volume Price Cost Revenue
- Figure 2020-2025 Medtronic Continuous Glucose Monitor Sale Volume and Growth Rate
- Figure 2020-2025 Medtronic Continuous Glucose Monitor Market Share
- Table Roche Diagnostics Information
- Table SWOT Analysis of Roche Diagnostics
- Table 2020-2025 Roche Diagnostics Continuous Glucose Monitor Sale Volume Price Cost Revenue
- Figure 2020-2025 Roche Diagnostics Continuous Glucose Monitor Sale Volume and Growth Rate
- Figure 2020-2025 Roche Diagnostics Continuous Glucose Monitor Market Share
- Table LifeScan Information
- Table SWOT Analysis of LifeScan
- Table 2020-2025 LifeScan Continuous Glucose Monitor Sale Volume Price Cost Revenue
- Figure 2020-2025 LifeScan Continuous Glucose Monitor Sale Volume and Growth Rate
- Figure 2020-2025 LifeScan Continuous Glucose Monitor Market Share
- Table Ascensia Diabetes Care Information
- Table SWOT Analysis of Ascensia Diabetes Care
- Table 2020-2025 Ascensia Diabetes Care Continuous Glucose Monitor Sale Volume Price Cost Revenue
- Figure 2020-2025 Ascensia Diabetes Care Continuous Glucose Monitor Sale Volume and Growth Rate
- Figure 2020-2025 Ascensia Diabetes Care Continuous Glucose Monitor Market Share
Pricing
Currency Rates