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What Bitcoin’s realized price measures
Bitcoin transactions spend existing unspent transaction outputs (UTXOs) and create new ones; a wallet’s spendable balance is represented by these outputs, not an account-total entry. Bitcoin.org’s UTXO vocabulary provides the underlying model.
Realized capitalization values each unit of bitcoin at the price associated with its most recent on-chain movement, then adds those values together. Glassnode defines realized price as realized capitalization divided by current supply: “Realized Price is the Realized Cap divided by the current supply.” In effect, realized price is a supply-weighted average of last-movement prices for the coins included in the measure. Glassnode’s Market API documentation describes the definitions.
Realized cap and realized price are not interchangeable
Realized cap is an aggregate value: the sum of coin amounts priced at their last movement. Realized price turns that aggregate into a per-bitcoin average by dividing by current supply. Because it is an average, it compresses a range of individual last-movement prices into one number and can conceal how unevenly supply is distributed.
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How it differs from market price and a holder’s actual cost
Market price reflects trading in the market now. Realized price uses the prices associated with coins’ last on-chain movements, so it can differ substantially from spot price. That movement may be a wallet transfer, change in custody, or another on-chain event—not a sale. A coin’s last movement therefore does not prove what its current owner paid.
On-chain cost basis is best understood as a proxy, not a ledger of investor purchases. It does not identify the present owner, capture every off-chain exchange trade as a separate blockchain event, or establish anyone’s tax basis. Lost or long-dormant coins can remain in the calculation with old price stamps. Different supply definitions, price sources, and provider methods may also produce different chart values.
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How to read realized-price and cohort charts
A whole-supply realized-price chart gives one average for its chosen supply measure. A cohort chart instead estimates averages for selected groups of coins, using a provider’s classification rules. Glassnode’s short- and long-term holder realized-price chart uses a 155-day holding-time heuristic and excludes coins in exchange reserves. Those labels are analytics categories, not verified identities of buyers or sellers. Glassnode’s cohort chart describes its methodology.
When reading any such chart, check which supply or cohort is included, the provider’s definition, and the time range. A line below spot price is not proof of support; a line above it does not promise resistance, a return to that level, or a particular future return.
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URPD, or UTXO Realized Price Distribution, is a histogram-like view of current supply grouped into price buckets based on when the relevant UTXOs were created or last moved. It shows concentrations that a single average hides. Glassnode’s indicator documentation says the horizontal-axis value identifies a bucket’s lower bound. Glassnode’s indicators documentation explains the measure.
A large bucket means more of the measured supply has a last-movement price in that range. It does not show that owners will sell or buy there, and it does not establish support or resistance. URPD is a distribution snapshot, not a record of how that distribution changed over time.
Related measures answer different questions
| Measure | What it emphasizes | Key qualification |
|---|---|---|
| Realized price | One average based on realized cap divided by current supply. | It compresses a range of last-movement prices into a single figure. |
| Holder cohort realized price | An average for a provider-defined coin cohort. | Glassnode’s cited chart uses a 155-day heuristic and excludes exchange reserves; this is not a universal investor definition. |
| URPD | How current supply is distributed among last-movement price buckets. | It is a snapshot and does not by itself show the distribution’s evolution. |
| Cost Basis Distribution (CBD) | A more granular view intended to track cost-basis zones and their changes through time. | Glassnode presents CBD as addressing URPD’s lack of a time dimension; it remains a provider’s analytical method. |
| Active Price | An estimate of the average acquisition price of economically active supply, with inactivity discounted through Liveliness. | Glassnode gives the formula as Active Price = Realized Price / Liveliness; it is an alternate model, not the canonical realized-price formula. |
Glassnode introduced CBD as a way to follow cost-basis distribution changes over time. Its CBD explanation discusses that distinction. Its Active Price chart describes the activity-adjusted measure and formula. Glassnode’s Active Price definition provides further detail.
Independent reader supportYour contribution helps us test, update, and keep practical guides available for everyone.Why old or inactive coins complicate the average
Realized-price calculations can retain the last-movement prices of coins that have not moved for years, including coins that may be lost. That can make the result less intuitive as a reading of what active investors collectively paid. Glassnode and ARK describe Active Price as one model that discounts inactivity using Liveliness; it should be understood as an alternative set of assumptions, not a correction that reveals a uniquely true acquisition price. Glassnode’s realized-cap research and its Cointime Economics discussion provide context for activity-adjusted interpretations.
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Glassnode’s research frames realized cap as a way to study repricing and investor profit-and-loss behavior, while its CBD discussion notes that URPD alone lacks a time dimension. These are analytical interpretations, not evidence that the measures reliably predict market direction. Realized price is not a guaranteed floor, fair value, or price target, and a cost-basis cluster should not be treated as a forecast.
For a chart-reading check, ask whether you are looking at an average or distribution, whole supply or a defined cohort, and a snapshot or a time-evolving measure. Then read its methodology before comparing it with another provider’s chart. Glassnode’s realized-cap overview and CBD methodology article set out those provider perspectives.
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