Welcome to GMCI,
the index provider.

GMCI brings expertise, innovation and market liquidity to the forefront of digital asset indexing.

A stack of paper on a black background

We combine deep market insight with robust analytical tools to guide investors’ investment journey in the digital asset space.

Our mission

Our mission is to provide comprehensive, reliable and accessible indices for the digital asset markets, catering both new and experienced investors.

Our indices

GMCI is producing indices for trailblazers in the fast-growing digital asset space at a time when its capital markets are quickly changing and evolving.

Investors in this market environment need metrics, tools, and diverse data to make quick decisions, build financial products and benchmark their returns.

GMCI is meeting investor needs by producing a diverse and comprehensive suite of indices. From our flagship index to specialized sector indices, our portfolio is crafted to provide detailed insights and robust performance benchmarks in the digital assets space.

Our indices provide the robustness and transparency investors are accustomed to on the traditional financial markets while tapping into expertise at crypto's most bleeding edge. Understanding our methodology is key to appreciating the value our indices bring to your investment strategy. We invite you to download our Index Policy, where we detail our approach to index construction, maintenance, and governance, ensuring transparency and integrity in all that we do.


The GMCI 30 Index offers the most accurate way for investors to track the performance of the largest digital assets by market capitalization. The index has been designed with transparency and liquidity in mind and we invite you to download the GMCI 30 Methodology and Fact Sheet where we further detail our approach and key statistics.

Our services

At GMCI, we specialize in crafting comprehensive indices in the digital assets space, providing a pivotal resource for both benchmarking and the issuance of financial instruments. Our indices are designed to offer a transparent and accurate representation of the cryptocurrency market, catering to a wide range of needs from investors, financial institutions, and market analysts.

Our standards



Our indices serve as reliable benchmarks for the performance of digital assets. They are constructed using rigorous methodologies, ensuring that they accurately reflect market dynamics and trends. This makes them ideal tools for investors and analysts who seek to understand market movements and compare the performance of their digital assets portfolios against a credible standard.

Foundation for

financial instruments

Beyond benchmarking, our indices are integral in the development of a variety of financial instruments. They provide a solid foundation for the creation of Exchange-Traded Funds (ETFs), futures, and other derivative products. By leveraging our indices, financial institutions can offer their clients innovative investment products that are aligned with the rapidly evolving digital assets market.



Understanding that each client has unique needs, we offer customized index solutions. Whether you're looking for an index that tracks a specific segment of the market or need a bespoke index tailored to your specifications, our team is equipped to deliver a solution that aligns with your objectives.


to quality

At GMCI, we are committed to maintaining the highest standards of quality and integrity in our indices. Our team continuously monitors the market to ensure that our indices remain relevant, accurate, and representative of the current state of the cryptocurrency market.


and accessibility

We believe in the importance of transparency and accessibility in the digital assets space. Our indices are easy to understand and accessible to both seasoned investors and those new to the cryptocurrency market. We provide detailed documentation and support to help our clients make informed decisions.

Explore the possibilities with GMCI – your partner in navigating the dynamic world of digital assets through expertly crafted indices.

Contact us

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