Why Bitcoin’s 63% HODL wave isn’t the mega bull signal everyone thinks it is
Bitcoin’s share of provide final moved not less than one 12 months in the past reached 63.3% on Sept. 18, up 0.98 proportion factors from 62.32% on Aug. 18, in keeping with Maketo’s HODL-wave information.
HODL waves group Bitcoin’s unspent transaction outputs into age bands based mostly on their final on-chain motion. The rising one-year share subsequently reveals that extra provide now sits in older bands. Current-month shopping for and deliberate withdrawal from the market require separate proof.
The underlying bands level to a particular mechanism. Coins that final moved roughly a 12 months in the past can enter the one-to-two-year bracket just by remaining nonetheless lengthy sufficient to cross the boundary.
What Bitcoin HODL waves measure
The one-to-two-year band elevated to 14.57% of provide from 13.52% between Aug. 18 and Sept. 18, a achieve of 1.05 proportion factors. That was the largest constructive change amongst the cohorts already older than one 12 months.
Over the identical interval, the six-to-twelve-month band fell to 17.53% from 19.10%. Glassnode’s Sept. 18 snapshot confirmed the identical newest values for each bands.
The paired strikes are in step with cash crossing the one-year boundary. Each band is a web share after cash age into it, age out of it or transfer on-chain and reset to the youngest cohort, leaving the identification and gross movement of the underlying items unresolved.
Recent motion additionally eased. Coins final moved inside one month accounted for 7.03% of provide on Sept. 18, down 0.27 proportion factors from 7.30% a month earlier.
Under Glassnode’s methodology, an unmoved output advances into older bands as it crosses every age threshold. Movement resets the clock.
Last-movement age leaves helpful possession and intent unresolved. A switch between wallets managed by the identical particular person or custodian could make an output look younger even when possession has not modified. Lost cash can stay in the oldest bands with out representing a deliberate choice to carry.
Coinbase offered a sensible instance in November 2025 when it warned that an internal wallet migration would create giant on-chain volumes unrelated to market situations. That episode illustrates attribution uncertainty and is not provided as the reason for the present shift.
The Sept. 18 readings help a restricted conclusion: Bitcoin’s on-chain age distribution grew older whereas the share moved inside a month declined. Available-for-sale provide and liquid-supply tightening stay unmeasured.
Identifying a fresh-accumulation thesis wants corroboration from entity-adjusted stability adjustments, trade flows, and spending conduct. Until these measures align, the rising one-year wave is an growing old signal somewhat than proof of recent demand.
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