Over $120 million in crypto tokens are scheduled to unlock this week, with Spark (SPK) accounting for the single largest release at $51.45 million. The unlock represents SPK's first post-cliff event, covering Team, Ecosystem, and Sky Farming allocations — a total of 25.3% of the token's circulating supply, equivalent to a staggering 139.7% of its current market capitalization.
Why it matters
When an unlock volume exceeds 100% of a token's market cap, the supply shock risk is acute. Even if only a fraction of newly unlocked tokens hit the open market, the sell pressure relative to existing liquidity can be severe. SPK holders and traders should treat this week's event as a high-alert moment: cliff unlocks — where vesting resumes after a lockup pause — tend to concentrate selling pressure into a short window rather than spreading it across gradual daily releases.
Market impact
Beyond SPK, the remainder of the week's schedule adds meaningful pressure across the mid-cap space: ZRO at $27.11M, STBL at $11.19M, KAITO at $8.55M, ARB at $8.02M, VANA at $7.19M, and GWEI at $6.70M. ARB in particular carries institutional attention given Arbitrum's established DeFi footprint. Traders monitoring these names should watch spot order books and funding rates in the days immediately following each unlock for signs of coordinated distribution.
Source: [source](http://telegraph.controller.bot/files/8336652911/AgACAgIAAxkBAAI6BmovyYnW2ifYyzDL8gkdZoAh9RnnAAIrHWsbnRKASXAWW4bL9QStAQADAgADeQADPAQ)
Frequently asked questions
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Why is SPK's unlock considered especially high-risk compared to others on the list?
SPK's unlock releases 25.3% of total supply in a single cliff event, equivalent to 139.7% of its current market cap — meaning the newly unlocked tokens dwarf the entire existing tradeable value, creating acute sell-pressure risk if holders choose to liquidate.
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What is a post-cliff unlock and why does it concentrate selling pressure?
A cliff unlock occurs after a lockup period ends, releasing a large block of tokens at once rather than gradually. This concentrates potential selling into a short window, unlike linear vesting which spreads supply additions over time and gives markets more room to absorb them.
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Which other tokens in this week's schedule carry significant market impact beyond SPK?
ZRO at $27.11M is the second-largest unlock, followed by STBL at $11.19M and KAITO at $8.55M. ARB at $8.02M draws particular attention given Arbitrum's established DeFi presence and institutional investor base.
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