# CCi30 Cryptocurrency Index > The CCi30 Cryptocurrency Index is a rules-based benchmark that tracks the 30 largest cryptocurrencies by market capitalization, excluding stablecoins. It has been published in real time since 1 January 2017, with a base value of 100 set on 1 January 2015. Constituent weights follow the square root of exponentially smoothed market capitalization; weights update at every monthly rebalancing and membership updates at every quarterly reconstitution. Full text of every page: https://cci30.com/llms-full.txt Key facts: - Constituents: the 30 largest cryptocurrencies by adjusted market capitalization, stablecoins excluded - Weighting: square root of adjusted market capitalization - Adjusted market capitalization: exponentially weighted moving average with a three-day half-life - Rebalancing (weights): monthly, on the first calendar day, implemented at 00:00 GMT - Reconstitution (membership): quarterly, on the first calendar day, implemented at 00:00 GMT - Base value: 100 on 1 January 2015; real-time publication since 1 January 2017 - Founders: Carlo Scevola, economist, and Igor Rivin, mathematician; index technology by Robert Davis - License: official end-of-day values are made available for non-commercial use under CC BY-NC-ND 4.0, with attribution. The copyright, trademark and licensing page at https://cci30.com/terms governs. No licence is granted by implication, by course of dealing, or by the availability of data on this site. Commercial use requires a written licence. ## Main pages - [Homepage: live index value, chart, constituents table, methodology, statistics and FAQ](https://cci30.com/) - [Questions and answers about the index](https://cci30.com/#cci30-faq) - [Copyright, trademark and licensing terms](https://cci30.com/terms) ## Interactive tools - [Tools overview](https://cci30.com/tools/) - [Allocation calculator: split any USD amount across the 30 constituents at official weights](https://cci30.com/tools/allocation-calculator/) - [Rebalancing explorer: how constituent weights changed at every monthly rebalancing](https://cci30.com/tools/rebalancing-explorer/) - [Statistics calculator: returns, volatility and risk measures from official index data](https://cci30.com/tools/statistics/) - [Historical constituents and weights explorer: index composition at every quarterly reconstitution since 2015 and weights at every monthly rebalancing](https://cci30.com/tools/constituents-history/) ## Data files (free CSV) - [Daily OHLCV values of the index since 1 January 2015](https://cci30.com/ajax/getIndexHistory.php) - [Index constituents at every quarterly reconstitution](https://cci30.com/ajax/getQuarterlyComponentHistoryProd.php) - [Constituent weight percentages at every monthly rebalancing](https://cci30.com/ajax/getMonthlyPropWeightHistoryProd.php) ## Documents (PDF) - [Index whitepaper](https://cci30.com/wp-content/uploads/2018/04/CCi30_index_paper.pdf) - [Methodology manual: complete rule set, formulas and maintenance schedules](https://cci30.com/wp-content/uploads/2026/07/CCi30-Cryptocurrency-Index-Methodology-Manual.pdf) - [Sharpe-Rivin ratio paper](https://cci30.com/wp-content/uploads/2018/02/sharpe-ratio-wrong.pdf) ## Research - [Academic literature on the CCi30: 172 studies that use or cite the index](https://cci30.com/academic-literature/) - [Index data and distribution: publication conventions, data access, identifiers and licensing terms](https://cci30.com/index-data/) ## Crypto index comparisons - [Crypto index comparison hub: every major crypto index compared with the CCi30](https://cci30.com/crypto-indices-comparison/) - [CCi30 vs S&P Cryptocurrency Indices](https://cci30.com/crypto-indices-comparison/sp-cryptocurrency-indices/) - [CCi30 vs Bloomberg Galaxy Crypto Index](https://cci30.com/crypto-indices-comparison/bloomberg-galaxy-bgci/) - [CCi30 vs Nasdaq Crypto Index](https://cci30.com/crypto-indices-comparison/nasdaq-crypto-index/) - [CCi30 vs FTSE Global Digital Asset Indices](https://cci30.com/crypto-indices-comparison/ftse-russell-digital-assets/) - [CCi30 vs FT Wilshire Digital Asset Indices](https://cci30.com/crypto-indices-comparison/ft-wilshire-digital-assets/) - [CCi30 vs MSCI Global Digital Assets Indexes](https://cci30.com/crypto-indices-comparison/msci-digital-assets/) - [CCi30 vs CoinDesk 20 and CoinDesk Market Index](https://cci30.com/crypto-indices-comparison/coindesk-20-cmi/) - [CCi30 vs Bitwise 10 Large Cap Crypto Index](https://cci30.com/crypto-indices-comparison/bitwise-10/) - [CCi30 vs CF Benchmarks](https://cci30.com/crypto-indices-comparison/cf-benchmarks/) - [CCi30 vs MarketVector Digital Assets Indices](https://cci30.com/crypto-indices-comparison/marketvector-mvis/) - [CCi30 vs Vinter Indices](https://cci30.com/crypto-indices-comparison/vinter/) - [CCi30 vs Galaxy Crypto Index Family](https://cci30.com/crypto-indices-comparison/galaxy-indices/) - [CCi30 vs 21Shares HODL5 and Crypto Baskets](https://cci30.com/crypto-indices-comparison/21shares-hodl/) - [CCi30 vs Single-Asset Reference Rates](https://cci30.com/crypto-indices-comparison/single-asset-reference-rates/) - [CCi30 vs CRIX](https://cci30.com/crypto-indices-comparison/crix/) - [CCi30 vs Crypto20](https://cci30.com/crypto-indices-comparison/crypto20/) - [CCi30 vs Bletchley Indexes](https://cci30.com/crypto-indices-comparison/bletchley/) - [CCi30 vs NYSE Bitcoin Index and Legacy Indices](https://cci30.com/crypto-indices-comparison/nyxbt-legacy/) - [CCi30 vs CMC Crypto 200](https://cci30.com/crypto-indices-comparison/cmc-crypto-200/) - [CCi30 vs Compass Crypto Indices](https://cci30.com/crypto-indices-comparison/compass-ft/) - [CCi30 vs BITA Crypto 10, 20, 30](https://cci30.com/crypto-indices-comparison/bita/) - [CCi30 vs SIX Crypto Market Index 10](https://cci30.com/crypto-indices-comparison/six-cmi10/) - [CCi30 vs Coinbase 50 Index](https://cci30.com/crypto-indices-comparison/coinbase-50/) - [CCi30 vs F5 Crypto Index](https://cci30.com/crypto-indices-comparison/f5/) - [CCi30 vs CIX100](https://cci30.com/crypto-indices-comparison/cix100/) - [CCi30 vs Brave New Coin Indices](https://cci30.com/crypto-indices-comparison/brave-new-coin/) - [CCi30 vs Exchange Basket Indices](https://cci30.com/crypto-indices-comparison/exchange-baskets/) - [CCi30 vs Tokenized Thematic Indices](https://cci30.com/crypto-indices-comparison/tokenized-thematics/) - [CCi30 vs CoinShares Gold and Cryptoassets Index](https://cci30.com/crypto-indices-comparison/cgci/) - [CCi30 vs Broker CFD Crypto Indices](https://cci30.com/crypto-indices-comparison/cfd-indices/) - [CCi30 vs Crypto Index Mortality Ledger](https://cci30.com/crypto-indices-comparison/mortality-ledger/) ## Contact - Contact form in the homepage contact section; email: info at cci30 dot com> The CCi30 Cryptocurrency Index is a rules-based benchmark that tracks the 30 largest cryptocurrencies by market capitalization, excluding stablecoins. The index has been published in real time since 1 January 2017, with a base value of 100 on 1 January 2015. ## Live data and sections - [Homepage: live chart, constituents, methodology, statistics, FAQ](https://cci30.com/) ## Datasets (free CSV downloads) - [Daily OHLCV values of the CCi30 Cryptocurrency Index](https://cci30.com/ajax/getIndexHistory.php) - [Index constituents by quarter](https://cci30.com/ajax/getQuarterlyComponentHistoryProd.php) - [Monthly constituent weight percentages](https://cci30.com/ajax/getMonthlyPropWeightHistoryProd.php) ## Documents - [Index whitepaper (PDF)](https://cci30.com/wp-content/uploads/2018/04/CCi30_index_paper.pdf) - [Methodology manual (PDF)](https://cci30.com/wp-content/uploads/2026/07/CCi30-Cryptocurrency-Index-Methodology-Manual.pdf) - [Sharpe-Rivin ratio paper (PDF)](https://cci30.com/wp-content/uploads/2018/02/sharpe-ratio-wrong.pdf) - [Copyright, trademark and licensing](https://cci30.com/terms) ## Tools - [Allocation calculator](https://cci30.com/tools/allocation-calculator) - [Rebalancing explorer](https://cci30.com/tools/rebalancing-explorer) - [Statistics calculator](https://cci30.com/tools/statistics) - [Historical constituents and weights of the CCi30 Cryptocurrency Index](https://cci30.com/tools/constituents-history) ## Comparisons - [Crypto index comparison hub: every crypto index vs the CCi30](https://cci30.com/crypto-indices-comparison) - [Academic literature on the CCi30: 172 studies](https://cci30.com/academic-literature)