CCi30 Cryptocurrency Index
The CCi30 Cryptocurrency Index tracks the 30 largest cryptocurrencies by market capitalization. Live values, public methodology, and free daily data.
https://cci30.com/Opens ChatGPT on the web or desktop and asks it to use the WebMCP tools available here.
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Last probed Sep 14, 2026 · cci30.com
12tools discovered
Current or historical index level
Returns the CCi30 Cryptocurrency Index level. Without arguments it returns the live indicative level and the change on the session. With as_of it returns the official close for that date, or the most recent close before it.
Daily index history
Daily open, high, low, close and volume for the index, from 1 January 2015 to the most recent close. Use for charts, backtests and period returns.
Trailing returns, volatility and drawdown
Trailing total returns over standard windows, annualised volatility over 30, 90 and 365 days, and the deepest peak to trough fall over one year and since inception. Calculated from official closes.
Current constituents
The thirty constituents currently in the index, ranked by adjusted market capitalisation, with live price, market capitalisation, daily change and the published weight from the latest monthly rebalancing.
Published constituent weights
Constituent weights as published at a monthly rebalancing. Without arguments it returns the most recent set. Weights follow the square root of adjusted market capitalisation and sum to 100 percent.
Quarterly composition history
Which assets were in the index at each quarterly reconstitution since 2015. Use to answer questions about when an asset entered or left the index.
Session and trailing statistics
Published session statistics: 52 week change, high and low, year to date and month to date change, session high and low, and the 30 day Market Efficiency Ratio.
Maintenance calendar
The next monthly rebalancing date and the next quarterly reconstitution date, with the rules that govern each. Weights change monthly, membership changes quarterly.
Index methodology
The governing construction rules: eligible universe, exclusions, selection, adjusted market capitalisation, weighting, maintenance schedule and divisor treatment. Use this rather than describing the methodology from memory.
Index identification
Formal identification of the benchmark: names, vendor code, asset class, index type, currency, base date and value, first publication, administrator and registered trade marks.
Glossary
Definitions of the terms used by this index, including adjusted market capitalisation, square root weighting, rebalancing, reconstitution, Market Efficiency Ratio and the Sharpe-Rivin ratio.
Attribution and licence
How to cite the index, the licence covering end of day values, what requires a written licence, and where to request one. Call this before reproducing index data.
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Directory coverage for brandsThe CCi30 Cryptocurrency Index tracks the 30 largest cryptocurrencies by market capitalization. Live values, public methodology, and free daily data.
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