Coin Metrics Corrected Bitcoin ETF Data
Investors who relied on historical blockchain metrics should review their analysis following nineteen months of data updates.
Updated on Sept. 23, 2026 in Investing
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Coin Metrics has issued corrections for nineteen months of on-chain Bitcoin wallet data, impacting metrics from February 2025 through September 2026. These updates, which cover 35 daily and 25 hourly data series, may require users to reassess historical models based on this information.
Why it matters
Because these corrections affect data related to Bitcoin ETF deposits, withdrawals, and net-flow, analysts and investors who built strategies on this history may need to backfill data and rerun calculations. It is important to note that these changes apply only to the Coin Metrics Network Data and not to official records maintained by ETF issuers.
The revision impacts 19 months of data series, specifically covering 35 daily and 25 hourly datasets. While these metrics, such as net-flow and transfer counts, are widely used by market observers, the provider has not yet disclosed the specific magnitude of the errors.
The players
Coin Metrics
A provider of on-chain data and analytics used by investors to track digital asset flows and historical performance.
The details
Coin Metrics provides on-chain analytics, including tracking ETF deposit flows by identifying assets sent to known addresses and calculating dollar-denominated values using its PriceUSD metric. The update affects a range of measures including transfer counts, supply data, and transactions. Because the provider did not specify the cause or scale of the revisions, any financial models or automated analysis that consumed these daily or hourly series from February 2025 through September 2026 now contain outdated inputs.
Timeline
February 7, 2025: The beginning of the period covered by the corrected Bitcoin data.
September 17, 2026: The end of the period covered by the corrected Bitcoin data.
September 22, 2026: Coin Metrics issued a status notice regarding the data corrections.
Money Landscape
The correction occurs as the digital asset industry matures following the July 2025 SEC approval for in-kind ETF share creation. These data revisions underscore the importance of distinguishing between third-party analytics and the primary, official records maintained by institutional ETF issuers.
If you use on-chain metrics to monitor your Bitcoin holdings or track sector-wide ETF flows, you should verify if your records match the revised figures from the provider. Consult with a qualified financial professional to determine if your investment strategy or risk assessment requires adjustments based on the corrected data.
The takeaway
Reliable data is the foundation of any long-term investment strategy. If you rely on external analytics to track digital asset activity, plan to cross-reference your internal records against the provider’s updated history to ensure your current analysis remains accurate.
Further reading
For more on monitoring portfolio performance and data reliability, visit Investing.
Source note: This article includes information reported by CryptoSlate.
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