Long-dormant Ethereum (ETH) wallets dating back nearly eight years have begun moving funds again, according to on-chain monitoring shared by multiple crypto analytics sources. The activity has reintroduced additional ETH supply into the visible flow, coinciding with Ether trading slightly above the $1,500 mark. While some of these addresses have taken profits, other large holders appear to be continuing accumulation, resulting in a mixed ledger picture.
At the same time, analysts say long-term whale profitability has deteriorated across major ETH holder cohorts. This matters for compliance and institutional risk assessment because persistent unrealized losses can influence large-holder behavior, custody-related transfers, and the pace at which liquidity is redeployed across venues—factors that institutions often track when managing exposure and counterparty risk.
Key takeaways
- On-chain trackers reported activation of ETH addresses last used in 2017, with one group of wallets moving a combined 37,602 ETH after years of dormancy.
- Separately, large investors appear to be rotating into ETH through swaps involving BTC, while others have continued withdrawals from major exchanges.
- Analysts state that unrealized profitability for major ETH whale cohorts has turned negative for the first time since 2019, based on reported unrealized profit ratios.
- Institutional custody-related movements were also noted, including transfers involving Coinbase Prime, without confirmation of a market sale.
Eight-year-old wallets reactivate, bringing long-dated supply into motion
According to Lookonchain, four Ethereum wallets that collectively received 37,602 ETH nearly eight years ago—at an average price of about $830—became active after a prolonged period of dormancy. The same set of wallets reportedly held through multiple market cycles, including the 2021 and 2025 bull markets, when unrealized gains reached levels described as exceeding $150 million.
Lookonchain further reported that these wallets sold 33,623 ETH during Thursday’s activity at an estimated price near $1,560, with the realized profit now described as approximately $27.4 million. For compliance teams and market-structure monitoring, reactivation of long-dormant addresses can be a relevant signal: it may reflect liquidity management, tax or rebalancing actions, or simply opportunistic execution after extended inactivity—each with different implications for market integrity checks and risk controls.
Whales show mixed behavior: rotation into ETH alongside selective profit-taking
Beyond the reactivated wallet group, other large transactions were reported as continuing capital rotation into Ether. Lookonchain stated that one whale swapped 464 BTC, valued at about $27.6 million, for 17,750 ETH. Such cross-asset rotation can be meaningful in institutional workflows because it may affect spot liquidity dynamics and the timing of ETH supply relative to broader crypto market flows.
In a separate report, investor Chun Wang was described as acquiring 9,937 ETH and 147 wrapped Bitcoin. Lookonchain also cited recent behavior in which Wang withdrew nearly 87,000 ETH from Binance over the prior month, at an average purchase price reported as $1,749. Exchange withdrawals by large holders are often monitored for operational and counterparty risk reasons—particularly where trading activity, custody arrangements, or liquidity sourcing may change.
Institutional-related activity was also referenced. BlackRock was reported to have transferred 41,996 ETH and 4,577 BTC to Coinbase Prime. Movements to Prime are commonly associated with custody or operational management rather than an immediately confirmed spot sale. For regulated entities, the distinction matters: custody transfers can trigger reporting and monitoring workflows without implying directional market exposure.
Unrealized losses broaden across whale cohorts
Crypto analyst Darkfost highlighted that unrealized profit ratios for ETH whale cohorts—from 1,000 ETH up to more than 100,000 ETH—have turned negative. The analyst said this is the first time since 2019 that every major whale cohort is reported to be underwater on an unrealized basis.
While unrealized metrics are not guarantees of future behavior, they are frequently used by analysts as a proxy for risk posture and conviction. Darkfost added that when ETH prices test whale conviction historically, periods often align with long-term bottom zones. Even so, the current setup was framed as placing greater pressure on large holders in 2026, even as selective accumulation appears to persist.
For institutional compliance monitoring, this kind of broadening drawdown can be relevant when assessing the potential for forced selling, changes in collateralization behavior, or shifts in custody and transfer patterns—especially for firms with exposure to exchanges, OTC counterparties, or derivative counterparties whose operational decisions may be influenced by large-holder positioning.
ETH’s $1,500 area remains a focal point amid ongoing uncertainty
Separately from on-chain behavior, attention among market participants remains on Ether’s $1,500 level. The article sources cited that ETH fell to around $1,510 during Thursday’s sell-off, while not setting a new yearly low as Bitcoin moved to fresh 2026 lows.
Crypto trader Ardi characterized $1,500 as a key long-term support, arguing that daily closes below that region would undermine bullish assumptions formed since the 2022 bear market. Crypto investor Jelle similarly suggested that a sustained break could return ETH to a trading range last seen in early 2023, noting that the $1,500 zone has historically been defended during several major corrections since mid-2022.
Other participants pointed to the possibility of lower demand zones. Trader Cyclops identified a $1,070–$1,370 range as a potential accumulation area, describing it as a demand region established in early 2023. The same source noted that moving into that lower band would also mean ETH breaking below a multi-year ascending trendline—an outcome that could prolong uncertainty in market structure.
From a policy and risk perspective, the common theme is not price forecasting but the importance of clearly defined reference levels for institutional monitoring: support breaks can affect portfolio risk calculations, margin models, and liquidity planning. However, the unresolved question remains whether observed on-chain transfers reflect genuine distribution pressures or routine movements that do not necessarily translate into sustained sell-side flow.
Closing perspective
The reactivation of nearly eight-year-old ETH wallets, combined with reported negative unrealized profitability across major whale cohorts, underscores a market where long-dated holders are again participating in active liquidity. Watch for whether these movements translate into sustained net distribution or whether ongoing withdrawals and ETH-denominated swaps continue to offset the added supply. For compliance and institutional teams, tracking wallet reactivation, exchange withdrawal patterns, and custody-related transfers alongside regulatory monitoring frameworks remains a practical approach as crypto markets evolve.
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