Amnis Finance is Aptos’s largest liquid staking protocol — issuing amAPT and stAPT as liquid staking derivatives for APT stakers, enabling users to earn native Aptos staking yields while retaining token liquidity for use as collateral in Aries Markets, as LP liquidity in Thalaswap’s MetaStable pools, and across the DeFi ecosystem, without the 30-day Aptos unbonding period.
Overview
Amnis launched on Aptos mainnet in 2023, growing quickly to become the dominant Aptos liquid staking protocol. The core problem Amnis solves: Aptos has a 30-day unbonding period for staked APT — longer than Ethereum’s ~5-day queue or Cosmos’s 21-day unbonding. This makes native staking extremely illiquid for active DeFi participants. Amnis tokenizes staked APT into two liquid forms (amAPT and stAPT) that can circulate in DeFi while the underlying APT earns staking rewards through Amnis’s validator delegation strategy.
amAPT and stAPT: Two Token Models
Amnis issues two liquid staking token types:
amAPT (Auto-Compounding APT)
- Accumulating model (similar to stETH)
- Exchange rate: 1 amAPT starts at 1 APT and appreciates over time as staking rewards accrue
- Example: After 1 year of ~7% APY, 1 amAPT ≈ 1.07 APT
- Wallet balance stays constant; exchange rate changes
- Ideal for: holding, collateral (value increases over time reduces effective LTV burden)
stAPT (Standard Yield APT)
- Rebase model (similar to old stETH before V2)
- Wallet balance increases each epoch as staking rewards distribute
- 1 stAPT always = 1 APT (no exchange rate drift)
- Staking yield received as additional stAPT in wallet
- Ideal for: composing in protocols that expect 1:1 token accounting
Validator Delegation Strategy
Amnis stakes deposited APT across multiple validators:
- Diversification — stake spread across multiple high-performance Aptos validators
- Performance optimization — validators weighted by uptime, performance metrics, and fee rates
- Decentralization — Amnis governance can adjust validator weights to prevent stake concentration
- Commission fee — Amnis takes a percentage of staking rewards as protocol revenue (typically 5-10%)
Instant Redemption vs Standard Unbonding
Two exit paths:
Standard Redemption (Free):
- Burn amAPT/stAPT → receive APT after 30-day unbonding period completes
- Protocol manages the unbonding queue on-chain
- No fee charged for standard redemption
Instant Redemption (Swap):
- Trade amAPT for APT on the amAPT/APT pool on Thalaswap or Liquidswap
- Small price impact (amAPT typically trades at slight discount to APT = implied yield vs liquidity premium)
- Instant liquidity without waiting for unbonding
DeFi Integrations
Amnis’s amAPT and stAPT are integrated across Aptos DeFi:
- Thalaswap MetaStable pools — amAPT/APT pool with yield-rate oracle to prevent AMM IL from staking appreciation
- Aries Markets — amAPT and stAPT accepted as collateral for borrowing USDC/USDT
- Thala MOD — amAPT/stAPT used as CDP collateral for minting MOD stablecoin
- Cellana Finance — amAPT/APT liquidity pair with ve(3,3) incentive boosts
Social Media Sentiment
Amnis Finance maintains a community presence typical of DeFi protocols in its niche. CT sentiment is generally sentiment-neutral, with discussion largely among existing users around protocol mechanics, yield opportunities, and security incidents. Token price action drives periodic community activity.
Last updated: 2026-04
Sources
- Amnis Finance Docs — liquid staking on Aptos
- DeFiLlama — Amnis — TVL on Aptos