Market Cap vs Fully Diluted Valuation (FDV): What Investors Miss

Market cap is a token's price multiplied by its circulating supply, while fully diluted valuation (FDV) is the same price multiplied by its maximum or total supply, including tokens not yet unlocked or issued. When FDV is much larger than market cap, a lot of new supply is still coming, and that future dilution can weigh on the price.

Many investors compare tokens by market cap alone and conclude that a low number means room to grow. That shortcut misses one of the most important facts in token investing: how much supply has yet to arrive. This guide explains both metrics, what the gap between them tells you and how to read supply data properly.

How Each Metric Is Calculated

For more on the supply figures behind these formulas, read circulating supply vs total supply vs max supply.

A Simple Example

Imagine two hypothetical tokens, both priced at $1:

• Token A has 900 million tokens circulating and a maximum of 1 billion. Its market cap is $900 million and its FDV is $1 billion. About 90% of supply is already out.
• Token B has 100 million tokens circulating and a maximum of 1 billion. Its market cap is $100 million but its FDV is also $1 billion. Only 10% of supply is circulating.

Token B looks nine times "smaller" by market cap. But both projects are valued the same on a fully diluted basis, and Token B still has 900 million tokens waiting to be released. If holders of those tokens sell as they unlock, Token B's price must absorb that supply. Our article How to Compare Coins Side by Side expands on this point.

Why the Gap Matters

Unlocks add supply

Most new tokens allocate large shares to the team, early investors, foundations and ecosystem funds. These tokens are usually locked and released over time according to a vesting schedule. Each unlock adds tradable supply. Our guide to vesting schedules and token unlocks explains how these schedules work. If you want to go further, read How to Check a Coin's Circulating Supply Yourself.

Early holders paid much less

Early investors often bought at a fraction of the public price. When their tokens unlock, even selling at a lower price can still be very profitable for them, which increases the chance they sell.

Low float can inflate prices

When only a small share of supply circulates, a modest amount of buying can push prices high, creating an impressive-looking market cap and a very large FDV. Critics call these "low float, high FDV" launches. The price can be hard to sustain once supply catches up.

When FDV Can Be Misleading

FDV is useful but not perfect:

• Tokens with no maximum supply may show FDV based on current total supply, which understates future issuance.
• Long emission schedules spread over decades make FDV a distant hypothetical.
• Burn mechanisms can reduce supply over time, so FDV may overstate eventual supply.
• Treasury tokens controlled by a DAO may never be sold, or may be used gradually for grants.
• Data differences between sites happen because they define "circulating" differently.

FDV is best treated as a warning light that tells you to look at the supply schedule, not as a precise valuation. We cover this in more detail in How to Compare Two Similar Crypto Projects Objectively.

Checklist: Reading Supply Data Correctly

Before relying on market cap or FDV, work through these steps:

1. 1Compare market cap and FDV. Calculate the float ratio. A low ratio means heavy future dilution.
2. 2Find the vesting schedule. Check the official documentation or tokenomics page for unlock dates and amounts.
3. 3Identify who receives unlocks. Team and investor unlocks usually carry more selling risk than community rewards.
4. 4Check the next large unlock. Large single-day unlocks can create sharp price pressure. See token unlocks and price impact.
5. 5Look at holder concentration. Use a block explorer to see whether a few wallets hold most of the supply.
6. 6Check issuance and burns. For uncapped tokens, find the inflation rate and any burning mechanism.
7. 7Compare like with like. When comparing two projects, compare FDV to FDV and market cap to market cap.

You can view supply figures and compare tokens side by side using our comparison tool.

How the Gap Changes Over Time

The relationship between market cap and FDV is not fixed. As tokens unlock and enter circulation, circulating supply rises and the gap narrows. If the price stays the same, market cap increases toward FDV while FDV stays put.

That means a project's market cap can grow simply because more tokens are circulating, not because more people want to buy. When you see a token's market cap rising, check whether the price rose or the circulating supply did. The two tell very different stories.

The reverse can also happen. If a project burns tokens or reduces its maximum supply, FDV falls without any change in price. Reading supply announcements carefully helps you understand which number moved and why.

Common Mistakes

• Calling a token "cheap" because its price per token is low. Price per token is meaningless without supply.
• Comparing a low-float token's market cap to an established coin's market cap.
• Ignoring locked tokens because "they're not in circulation yet."
• Assuming a large FDV means a project is overvalued, without checking the emission timeline.

Bottom line

Market cap shows what the circulating tokens are worth today; FDV shows what the whole supply would be worth at today's price. The gap between them measures future dilution. Before you invest, check the float ratio, the unlock schedule and who holds the locked tokens. Those three facts often explain more about future price pressure than any headline valuation.