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WM/Reuters Benchmark Rates


WM/Reuters Benchmark Rates denote the foreign exchange (FX) rates that are used as standard rates for portfolio valuation and performance measurement. These rates are determined on a daily basis by WM/Reuters through capturing FX rates at the end of the global market day and an intra-day snapshot. They are considered accurate and reliable standards in the international finance community.


The phonetic pronunciation of “WM/Reuters Benchmark Rates” is: “Dʌbljuː ɛm/ˈruːtərz ˈbɛnʧmɑːrk reɪts”

Key Takeaways

  1. WM/Reuters Benchmark Rates serve as the standard foreign exchange rates used by corporations, tax authorities, auditing firms, and financial institutions. They are pivotal in global investment and trading.
  2. They are determined on a fixed time snapshot and cover up to 160 currencies every half hour. The main pricing time is 4pm in London, hence sometimes they are referred to as the “4pm fix.”
  3. The methodology used to calculate these rates uses a transparent, rules-based model, which involves collecting and processing large volumes of data from various contributors to ensure representativeness of the global FX market.


The WM/Reuters Benchmark Rates have significant importance in the business/finance sector as they’re globally recognized as standard foreign exchange rates. These rates are utilized by companies, tax authorities, audit firms, and financial institutions to accurately evaluate assets, liabilities, transactions, or investments across different countries. Given that they’re updated multiple times throughout the day, they provide a reliable measure for portfolio valuation and comparative analysis. Most importantly, they enhance consistency, accuracy, and transparency in international financial markets by minimizing exchange rate volatility and discrepancy.


The WM/Reuters Benchmark Rates serve a foundational purpose in the world of international finance and trade, helping companies establish the relative value of different global currencies at a specific point in time. In essence, these rates function as a standard measure of currency valuation that businesses, investors, and financial institutions can reliably refer to. As businesses expand globally, they are subject to risks associated with changes in foreign currency exchange rates. Thus, the WM/Reuters benchmark rates, updated multiple times a day, help these entities to gauge and manage these risks effectively.Additionally, these benchmark rates play a critical role in the pricing of investments and financial instruments. Many financial contracts and derivatives are set in terms of specific currency exchange rates, and the WM/Reuters rates often serve as the basis for these contracts. For instance, mutual funds, which hold assets around the world, use these rates to value their holdings accurately. Similarly, global corporations use these benchmarks to evaluate and report their foreign earnings, helping maintain transparency and consistency across financial reporting. Hence, by offering a standardized measure of currency value, the WM/Reuters Benchmark Rates ensure a level playing field in the vast, interconnected world of global finance.


WM/Reuters Benchmark Rates are used by corporations worldwide for portfolio valuation, investment analysis, risk management, and other financial applications. Here are three real world examples:1. Foreign Exchange (FX) Market: FX traders utilize the WM/Reuters Benchmark Rates in order to gain insights into the daily adjustments in the global currency market. This could be an FX trader at an investment bank or a multinational corporation that needs to hedge its foreign exchange exposure. 2. Global Investment: Investors and asset managers use these rates to determine accurate and fair market values for their international portfolio investments. The rates are used for end-of-day valuation of these investments, providing a standardized and objective method for comparing performance across various markets.3. Pension Funds: Pension funds, which require exact pricing for their assets at specific times, also utilize WM/Reuters rates. These rates allow pension funds to value their international assets, simplify the process of tracking global investments, and ensure compliance with regulatory requirements. In many cases, these rates are effectively used for measuring the performance of the funds and in calculation of the contributions needed.

Frequently Asked Questions(FAQ)

What are WM/Reuters Benchmark Rates?

WM/Reuters Benchmark Rates, owing to their transparency and reliability, are industry-standard foreign exchange rates that are used worldwide. They are derived directly from actual foreign exchange trading, ensuring authenticity.

How often are WM/Reuters rates updated?

The WM/Reuters FX rates are updated hourly, with adjustments at 4 p.m. London time. Some less frequently traded currencies are updated daily.

Who uses WM/Reuters Benchmark Rates?

These rates are widely used by asset managers and global banks, audit firms, corporations, and other financial institutions. They are often used for portfolio valuations, financial contract settlements, and risk management.

What currencies are included in the WM/Reuters Benchmark Rates?

WM/Reuters provides rates for over 150 currencies. The most operational and economically significant currencies are included in their portfolio.

Why are these rates important for financial markets?

The WM/Reuters Benchmark Rates provide an impartial, unbiased view of the forex market, which supports investment and trading strategies. Due to their credibility and accuracy, they provide crucial reference points that guide international commerce and portfolio management.

How are WM/Reuters Benchmark Rates calculated?

Data from actual foreign exchange transactions is collected and analyzed. The majority of rates are formed by capturing and calculating midpoint rates over the one-minute period 30 seconds before and 30 seconds after the time of the fix.

How can I access these rates?

WM/Reuters Benchmark Rates can typically be accessed through forex trading platforms or financial data providers, such as Bloomberg or Reuters Terminal. They may also be available via certain financial software or directly from the WM/Reuters service.

Related Finance Terms

  • Foreign Exchange Market (Forex)
  • Currency Pairs
  • Spot Rates
  • Financial Benchmarks
  • Market Manipulation

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