Overview of Recent Developments for SUI
Token Unlock Schedule
During the week spanning April 27 to May 4, 2026, token unlocks exceeding $330 million were scheduled across several projects. The SUI token was the largest cliff event, with $42.47 million worth of tokens unlocked. This corresponds to 44.81 million SUI tokens, representing 1.13 % of its adjusted released supply. Jupiter (JUP) followed with $9.77 million unlocks, equating to 53.47 million tokens and 1.47 % of its adjusted released supply.
The total unlock schedule comprised six major cliff events and five large linear vesting flows. On the linear side, RAIN contributed the largest single flow at $71.65 million. Other cliff events included SIGN, EIGEN, OMNI, and GUN, with unlock amounts ranging from $7.05 million to $5.38 million.
Scallop Exploit on the Sui Network
On April 26, 2026, the money‑market protocol Scallop suffered an exploit that drained approximately 150,000 SUI from a deprecated rewards contract associated with its sSUI spool. The attack targeted a peripheral contract, not the core protocol.
- Response: Scallop froze the compromised contract within minutes of discovering the breach and announced the freeze on X at 12:50 UTC.
- Recovery: Core lending and borrowing pools remained unaffected, and user deposits across other markets were safe.
- Resolution: The freeze was lifted on core contracts at 14:42 UTC, restoring withdrawals and deposits. Scallop committed to reimburse 100 % of the loss from its treasury.
The incident stemmed from a deprecated V2 spool package that had been inactive since 2023. An independent on‑chain analysis confirmed that the exploit was limited to the side contract and did not compromise the integrity of the main protocol.
Market Context
- Close Price (April 25, 2026): $0.946234
- 52‑Week High (July 27, 2025): $4.43144
- 52‑Week Low (February 5, 2026): $0.804891
- Market Capitalization: $3,785,560,322.09
These figures indicate that SUI remains in a stable price range, with a market cap close to $3.8 billion. The upcoming token unlocks may exert upward pressure on liquidity, while the recent exploit underscores the importance of security practices within the ecosystem.
Implications for Investors
- Liquidity: The scheduled unlocks could increase circulating supply and potentially influence short‑term price volatility.
- Security: The Scallop incident demonstrates that peripheral contracts can be vulnerable; protocol teams and investors should monitor code audits and deprecation timelines closely.
- Regulatory Environment: While the article does not mention regulatory actions, the broader DeFi sector continues to face scrutiny, as highlighted by other high‑profile incidents in the crypto space.
In summary, SUI is poised for a significant token release period while navigating recent security challenges. Market participants should remain attentive to the liquidity implications of the unlock schedule and the ongoing efforts of protocol developers to secure peripheral components.




