Approximately 95.1 million ASTER tokens from the S5 'Crystal' vested unlock will become available for claiming starting June 9, 2026. The 30-day window gives holders until early July to access the roughly $58.3 million in tokens, which represent about 1.22% of ASTER's total supply.
How the claim window works
The unlock is specifically the S5 'Crystal' tranche — 95,088,035.78 ASTER. Unlike a single-day cliff where all tokens hit the market at once, the 30-day claim period gives recipients time to decide when to move their tokens. This structure was designed to diffuse potential sell pressure across the window rather than concentrate it in one session.
Volatility tends to cluster around the opening day, the mid-point of the window, and the final few days as holders rush to claim or trade. Market makers typically widen spreads into the event risk and then tighten them as actual flow proves manageable.
Derivatives activity and funding rate divergence
Perpetual futures for ASTER are listed on about 24 venues, carrying roughly $377 million in open interest and $401 million in 24-hour volume. The derivatives market offers elastic capacity, meaning traders can quickly add or reduce positions — a key factor when a large unlock looms.
Funding rates across those venues show wide divergence, from negative 7.50 basis points to positive 6.20 basis points. That range suggests disagreement among traders about the direction of the spot price during the unlock window. Some venues are paying longs to hold, while others are paying shorts.
What to track during the window
With a circulating supply of about 2.58 billion ASTER and a market cap of $1.63 billion, the incoming 95 million tokens are sizable but not overwhelming. The maximum supply cap sits at 8 billion, so this unlock is one of many scheduled releases.
Key monitoring indicators include the pace of claims — how fast holders actually move tokens from the vesting contract — as well as exchange inflows once tokens become liquid. Shifts in open interest and order book resilience will signal whether the market can absorb the extra supply without deep price drops.
In practice, the 30-day window gives the market time to adjust. If claims trickle in slowly, spreads may stay tight. A rush to claim and sell on day one could trigger volatility. Whether the diffused schedule actually prevents a price dislocation will become clear as June 9 approaches and the first claims hit exchanges.




