Token market capitalization is a token's price multiplied by its circulating supply, which values only the coins actually in the market rather than every coin that will ever exist. CoinMarketCap states plainly why circulating rather than total supply is the denominator: prices are driven by the tokens that can be used, not by the ones sitting inaccessible in a contract. That makes market cap a price question stacked on top of a supply judgement, and the supply half is the part nobody agrees on.
Market cap is not money that went into a token and it is not money that could come out of one. It is a notional figure whose denominator someone chose, and on a low-float token that choice is doing most of the work.
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Why circulating supply is the denominator
The choice is deliberate and it is documented. CoinMarketCap's own glossary states that circulating supply rather than total supply is used to calculate market capitalization, because prices are normally affected by the coins and tokens that can be used rather than those that are inaccessible.1 Tokens locked in a vesting contract cannot be sold, so pricing them at the market price would report a number no seller could realise.
That reasoning is sound and it creates the problem this page is about. Deciding which tokens are inaccessible is a judgement, not a measurement. A foundation wallet with no lock contract, a team allocation that is technically transferable but contractually restricted, a bridge escrow, tokens on a chain the indexer does not read: each of those is a call someone has to make, and different providers make them differently.
So a token market cap is a price everyone can verify multiplied by a supply figure that is an estimate. The uncertainty lives entirely in the second term.
The price half is the easy half
Reading Ethena from both major providers within minutes of each other on 3 August 2026, the market caps were $880,036,871 at CoinGecko and $880.15 million at CoinMarketCap, a difference of around one hundredth of a percent.3 On the same pair of reads their TVL figures were about 6% apart. Price aggregation across venues is largely a solved engineering problem. Supply accounting is not.
CoinMarketCap makes the point against itself by publishing two market caps for the same token on the same page. Its Ethena page showed a market cap of $880.15 million and an unlocked market cap of $888.93 million on 3 August 2026, roughly $8.8 million apart, because the two figures use different supply denominators.4 One provider, one token, one moment, two answers, and both are labelled market cap.
For a founder that is the actionable part. You cannot influence how exchanges aggregate your price, but you can remove every ambiguity from your supply accounting, and doing so is the difference between one reported market cap and several.
BNB and ENA: the same metric carrying different amounts of information
On 3 August 2026 CoinGecko reported BNB with a circulating supply of 133,164,946.5 against a total supply of the same figure, a market cap of $78,789,471,592 and a fully diluted valuation of $78,789,462,480.2 Circulating supply is total supply, so market cap and FDV are the same number and the market cap tells you everything the metric can tell you.
The same read on Ethena showed 9,560,937,500 circulating against 15,000,000,000 total, a market cap of $880,036,871 and an FDV of $1,380,675,594.2 The market cap covers 63.7% of the eventual supply. The remaining 36.3% is real, scheduled and outside the figure.
Quoting those two market caps side by side without the float attached is how comparison tables mislead people. One is a complete valuation of the circulating asset. The other is a partial one that will be diluted on a published timetable.
What a token market cap cannot tell you
It is not capital raised or capital invested. A token that trades $2 million of volume on the way to a $500 million market cap did not absorb $500 million of buying; it repriced a large existing supply against a thin order book.
It is not exit liquidity either. Market cap assumes the marginal price applies to every unit, which is exactly what fails when a large holder sells. The number that governs what can actually be sold is order book depth, which is a separate measurement and usually a much smaller one.
And it says nothing about the business. Market cap has no revenue term, no user term and no cost term in it. Two protocols with identical market caps can have wildly different fee income, and the metric will not distinguish them. That is why we read it alongside protocol revenue rather than on its own.
The rising market cap that is not demand
Market cap has two inputs and both move. When circulating supply rises through an unlock while price stays flat, market cap rises. Nothing about that increase reflects new demand, but it will read as growth on a chart and in a monthly investor update.
The inverse is the trap that catches teams during vesting. Price can fall while market cap holds steady, because new supply is entering circulation at roughly the rate the price declines. A founder tracking market cap alone sees a flat line and concludes the token is stable. A founder tracking price and float separately sees what is actually happening.
Across the projects we have advised, this is the single most common reporting error in a token dashboard: one market cap number with no float series next to it. Plot circulating supply on the same chart and the story reads correctly with no further commentary needed.
How we read it in an audit
Three figures together, never one alone. Market cap for what is priced today, FDV for the supply obligation still outstanding, and the float percentage that connects them. Any two of those three imply the third, and a founder who can recite all three about their own token has usually done the rest of the work too.
Then one question that market cap cannot answer and every board eventually asks: what does the protocol earn, and what share of that reaches the token. The market cap is downstream of that answer. It is never a substitute for it.
Common questions
How is crypto market cap calculated?
Multiply the token's current price by its circulating supply. CoinMarketCap states that circulating rather than total supply is used because prices are driven by the coins that can actually be used rather than those locked and inaccessible.1 The price input is consistent across providers, but circulating supply is an estimate each provider makes for itself, so the same token can carry slightly different market caps in different places.
What is the difference between market cap and fully diluted valuation?
Market cap uses circulating supply; FDV uses the eventual total. When they match, all supply is already in the market. On 3 August 2026 CoinGecko reported BNB with market cap and FDV both near $78.79 billion, because circulating supply equals total supply, while Ethena showed a market cap of $880 million against an FDV of $1.38 billion.2 The gap is the supply still to come.
Does market cap mean money invested in a token?
No. Market cap is the last traded price applied to every circulating unit, so it can be reached on very little actual buying if the float is thin. It is also not the amount that could be withdrawn, because selling into a shallow order book moves the price well before a large position clears. Order book depth, not market cap, governs what can realistically be sold.
Why do different sites show different market caps for the same token?
Because each site estimates circulating supply independently, deciding for itself which foundation, treasury and restricted holdings to exclude. CoinMarketCap goes further and publishes two figures on the same page: for Ethena on 3 August 2026 it showed a market cap of $880.15 million and an unlocked market cap of $888.93 million, about $8.8 million apart, using different supply denominators.4
See Tokenomics Audit for how this applies in practice.
Sources
- Total Supply, CoinMarketCap Academy glossary
CoinMarketCap, 2026
States that circulating supply rather than total supply is used to calculate market capitalization, and why. - CoinGecko public API v3, coin records for BNB and Ethena
CoinGecko, 2026
Supply, market cap and FDV fields read on 2026-08-03. Point-in-time values that change continuously. - Circulating Supply, CoinMarketCap Academy glossary
CoinMarketCap, 2026
Describes circulating supply as an imperfect approximation that the network at large cannot reliably know. - Ethena (ENA) price and metrics page
CoinMarketCap, 2026
Market cap, unlocked market cap, TVL and supply figures read on 2026-08-03. Point-in-time values.
Last reviewed 2026-08
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