Lock-up period ending? How Pendle's sPENDLE mechanism changes DeFi governance and yield distribution

On January 20, 2026, DeFi interest rate derivatives protocol Pendle announced a major decision: officially replacing the long-standing vePENDLE system with a brand-new liquid staking token, sPENDLE. This reform is not just a simple token upgrade but a fundamental overhaul of the protocol governance and incentive mechanisms. vePENDLE will be phased out gradually, with sPENDLE becoming the protocol’s main governance and reward asset.

From the data, the context of this transformation is very clear. In 2025, Pendle generated over $37 million in protocol revenue, but a complex manual voting mechanism led to highly concentrated governance rewards—only about 20% of PENDLE supply was staked as vePENDLE, ranking among the lowest in all veToken models.

Looking back in mid-June 2026, nearly five months have passed since Pendle’s transition. The current PENDLE price is $1.383, up 8.86% over the past 7 days, with market sentiment neutral, and a total market cap of approximately $236 million. The protocol’s current total locked value (TVL) is about $1.15 billion, still below the peak of over $8 billion in 2025, but it remains an important player in the interest rate derivatives sector.

The Dilemma of vePENDLE: Analyzing the Revenue Structure of the Lockup Model

vePENDLE uses a vote-escrowed token economy model, where users lock PENDLE to gain governance rights and yield bonuses. This pattern is not uncommon in DeFi—Curve’s veCRV is a typical example. Curve requires users to lock CRV for periods ranging from 1 week to 4 years; the longer the lock-up, the higher the veCRV weight, and the greater the voting power and yield bonuses.

However, in practice, Pendle’s data exposes deep issues with this model. Internal analysis shows that despite excellent overall fee efficiency—annualized fees of about $13.43 million and annualized revenue of about $13.22 million—more than 60% of the pools are actually operating at a loss. The protocol relies long-term on profits from a few core high-quality pools to subsidize less efficient ones.

Another contradiction brought by the lock-up mechanism is the declining participation rate. The non-transferability of vePENDLE means that once locked, tokens cannot be used in any other DeFi protocols, causing holders to lose the ability to re-stake or pursue other yield strategies. Meanwhile, the weekly voting requirement raises the participation threshold to a level difficult for ordinary users to meet. Complex voting strategies require deep understanding of market dynamics and DeFi mechanisms, resulting in rewards being concentrated among a small number of high-frequency participants. According to Pendle’s official disclosures, despite generating over $37 million in protocol revenue in 2025, only a very small number of users effectively earn governance rewards.

These issues cumulatively reflect on-chain data—participation in vePENDLE accounts for only 20% of the total PENDLE supply, far below Curve’s approximately 80% veCRV participation rate. This is the core logic behind Pendle’s decision to initiate a tokenomics reform: when the lock-up mechanism no longer attracts sufficient capital, locking becomes a barrier rather than an incentive.

The Architectural Overhaul of sPENDLE

sPENDLE’s design fundamentally differs from vePENDLE. The most critical change is the exit mechanism: replacing multi-year lockups with a 14-day redemption period, allowing users to choose to wait 14 days for unlock or pay a 5% fee for instant redemption. This shifts staking from “permanent lock” to “quasi-liquid,” enabling users to participate in governance without sacrificing all liquidity.

Interoperability also undergoes a key change. sPENDLE is a transferable, tradable, composable token that can be integrated into mainstream DeFi platforms like Aave and Curve. Holders of sPENDLE not only have governance rights but can also generate additional yields elsewhere, effectively extending the utility of governance assets from a single protocol to the entire DeFi ecosystem.

The barrier to governance participation is also lowered. The weekly voting requirement during vePENDLE’s era was simplified to voting only on Pendle protocol proposals. When no active proposals exist, holders’ reward eligibility automatically continues. Only when PPP is active and holders do not vote will they be considered inactive, with reward eligibility paused for 14 days. This change significantly reduces the participation cost for ordinary users.

Technical Logic of Protocol Revenue Flows and Buyback Mechanisms

sPENDLE’s revenue structure is built on the redistribution of protocol income. Pendle plans to use up to 80% of protocol revenue to buy back PENDLE from the open market, with the repurchased tokens distributed as rewards to sPENDLE holders. The logical chain is: protocol revenue growth → buy back PENDLE → circulating supply decreases → buyback proceeds distributed to stakers.

From a data validation perspective, the actual effectiveness of this mechanism depends on two variables: the sustainability of protocol income and the efficiency of buyback execution. As of mid-June 2026, Pendle’s annualized holder income is about $10.57 million, with total accumulated holder income reaching $54.29 million. Total accumulated expenses have exceeded $63.97 million. These figures indicate that the protocol’s revenue-generating capacity remains positive after the transition.

Compared to vePENDLE’s era, where reward distribution heavily depended on weekly voting-driven emissions rather than protocol profitability, the new incentive logic shifts from “emission-oriented” to “income-oriented.” In short, sPENDLE’s revenue no longer comes from protocol’s token issuance but from actual business activities—transaction fees, revenue sharing services, etc.

Quantitative Analysis of Algorithmic Incentive Models and Emission Pathways

Alongside sPENDLE, an algorithmic incentive model has been launched. This new framework replaces manual voting-based reward distribution, based on two core metrics: TVL and trading fees, and officially launched on January 29, 2026.

The AIM’s design is built on Pendle’s historical data. Analysis shows that over 50% of PENDLE emissions flow into ten pools with the lowest profitability, meaning a large portion of token rewards are “spent” rather than “earned.” While these pools receive emissions, they do not translate into actual protocol growth. AIM aims to break this negative cycle: rewards are no longer determined by manual voting but are automatically allocated based on the pools’ real contributions.

AIM’s implementation is divided into two phases. The initial phase (up to 21 days) focuses on solving liquidity cold start issues for new pools, with incentives weighted more toward TVL than trading fees, allowing new pools to receive higher reward multipliers for the same lock-up amount. As pools mature (over 21 days), the focus shifts to sustained trading activity, with trading fee weights increasing and TVL weights decreasing. The maximum trading fee emission for mature pools is set at four times their historical trading fees (adjusted with time decay), rewarding consistent performance rather than short-term volume spikes.

On the supply control front, Pendle expects overall token emissions to decrease by about 30%. The second phase of AIM plans to build a dedicated incentive model for Pendle V2 infrastructure, with potential incentive efficiency reaching 130 times in back-testing. This means that under the same emission levels, more on-chain trading activity and locked value can be stimulated.

Transition Arrangements and Cross-Verification with Community Feedback

During the transition, existing vePENDLE holders do not lose their rights directly. Pendle will snapshot vePENDLE balances and remaining lock periods at 00:00 UTC on January 29, 2026, and calculate weighted sPENDLE amounts, with a maximum multiplier of 4x. The weighted amount linearly decays over the remaining lock period, fully expiring after two years.

The core logic is that vePENDLE holders, who bore years of liquidity lock-up risk, will receive higher multipliers of weighted sPENDLE during the transition—essentially compensating for opportunity costs. The multiplier naturally decreases as the lock period approaches expiry, preventing long-term arbitrage from distorting the tokenomics.

Market reactions are mixed. On the announcement day, PENDLE’s price rose about 11% in 24 hours, spot trading volume increased 34% to $63 million, and open interest rose about 10% to $45 million. Michael Egorov, founder of Curve, publicly questioned the decision, calling the removal of ve models a mistake.

Longer-term, as of mid-June 2026, PENDLE’s price increased 8.86% over the past 7 days but still declined 24.29% over the past 30 days and 62.48% over the past year. Market pricing of the sPENDLE reform remains ongoing, with both positive expectations and structural doubts.

From “Lock-up Dilemma” to “Flowing Income”: Pendle’s Industry Positioning

Pendle’s tokenomics reform is not an isolated event. Over the past year, protocols like PancakeSwap, Balancer, and Ethena have also shifted from lock-up models toward more flexible staking mechanisms. The common logic is: as DeFi matures into a phase where real activity, not lock-up size, measures value, the marginal utility of forced lock-ups diminishes. Users are less willing to lock funds for years just for governance rights and yields, preferring to maintain liquidity and share in protocol revenues.

In terms of external recognition, Pendle was selected in June 2026 for the first Crypto Innovators list by Fortune magazine, alongside 29 other projects, recognized as leaders in the digital asset ecosystem. This external validation reflects some industry acknowledgment of Pendle’s technological and mechanism innovations.

However, risks remain. Data from about five months after sPENDLE’s launch shows protocol TVL has fallen from over $8 billion in 2025 to about $1.15 billion—a significant decline. This drop is partly due to the overall liquidity retreat in DeFi markets and also related to Pendle’s incentive adjustments during the transition. Whether the protocol can re-attract large capital through AIM’s algorithmic configuration and revenue buyback remains to be seen.

Conclusion

From vePENDLE to sPENDLE, Pendle has not only upgraded its token economy model technically but also made a significant correction to the underlying logic of DeFi lock-up mechanisms. The core assumption of vePENDLE was that long-term locking would filter out the most loyal participants, creating a healthy governance cycle. But data does not support this—longer lock-up periods do not necessarily lead to higher participation; instead, they may suppress user entry due to liquidity loss and governance complexity.

sPENDLE’s design addresses this paradox. The 14-day redemption mechanism solves liquidity issues, the AIM algorithm breaks the bottleneck of manual voting, and the revenue buyback framework directly links protocol value growth to holder rewards. The key is: it no longer tries to “lock users’ funds” to gain loyalty but instead attracts users by demonstrating that “the protocol is genuinely earning.”

As of mid-2026, PENDLE’s market price is $1.383, TVL is $1.15 billion, and protocol revenue remains positive. From a user perspective, the core question in the sPENDLE era has shifted from “Should I lock my funds?” to “Can the protocol continue generating real income and sharing it with stakers?” Pendle’s tokenomics revolution will influence how DeFi protocols choose between lock-up models and flow-based yields.