Sui staking: APY, 24-hour epochs and the storage fund
What SUI staking pays, how 24-hour epochs make it one of the most liquid staking models, where the yield comes from, and what replaces slashing.
Figures retrieved on August 24, 2026 and they may be out of date.
Staking Sui pays low single digits before commission, on the model set out in the Sui documentation, and compensates with the fastest exit in major staking: unstaking completes at the next 24-hour epoch boundary. Principal is never slashed.
How staking works on Sui
Sui uses delegated proof of stake with 24-hour epochs. From 1 SUI you delegate to a validator via your wallet; the stake activates at the next epoch, earns per epoch, and deactivates the same way. Validator commission and performance determine your net rate.
Where the yield comes from
Sui’s rewards are a transition design: pre-allocated stake subsidies released on a decreasing schedule carry the yield while the network is young, with gas fees and the storage fund intended to take over as usage grows. That makes today’s rate part subsidy, part usage, and the subsidy component has an expiry date built into its schedule.
Unstaking and lock-ups
At most 24 hours. There is no unbonding queue and no dead time worth planning around; a Sui staking position is close to liquid in practice. Only Cardano’s no-lock model is more flexible among the majors.
What can go wrong
- Reward strips, not slashes. The tallying rule can zero a validator’s epoch rewards; you lose yield for the period, never principal.
- Subsidy decay. Part of today’s yield is bootstrap subsidy on a decreasing schedule; the sustainable rate depends on fee growth.
- Low absolute rate. At a low single-digit rate, commission choices and validator uptime eat a visible share of the return.
Sui staking vs THORChain bonding
Sui is the liquidity extreme: exit in a day, no slash risk, modest and partly subsidized yield. THORChain bonding is the income extreme: fee-sourced, historically much higher, with whitelist entry, churn-timed exits and real slash exposure. The two are compared directly at THORChain vs Sui staking, and the bonding model at THORChain bonding.
Risk summary
Your return depends on the node or validator you pick. One that goes offline, misconfigures itself or behaves maliciously costs you rewards, and on some networks part of the stake itself.
Exiting is not instant: next epoch boundary (≤24 h).
SUI price swings dominate in practice. No staking rate offsets that.
Sui staking calculator
Preloaded at 1.43% APRPreloaded with the SUI rate shown above. Edit any field. For other assets, use the full staking calculator.
The projection is in tokens. On chains that pay with newly issued supply, part of what you earn only keeps your share of the network from shrinking, so a higher rate is not always worth more. The real yield column shows each rate after its own inflation.
Projection at a constant rate for illustration only. Real staking rates change continuously, token prices move independently of yield, and past rates never guarantee future ones. Not financial advice: do your own research.
Frequently asked questions
What is the current APY for staking Sui?
Delegation has been paying low single digits before commission. The rate depends on validator performance, commission, gas fee volume and the stake-subsidy schedule.
How long does unstaking take on Sui?
Until the next epoch boundary, and Sui epochs last 24 hours, so at most a day. This makes Sui one of the most liquid native staking models among major chains.
What happens if my Sui validator misbehaves?
Not of principal. Instead of burning stake, Sui's "tallying rule" lets validators score peers and strip a poorly performing validator of its rewards for the epoch; delegators feel it as missed yield, never as lost capital.
Where do Sui staking rewards come from?
A combination of stake subsidies (a pre-allocated pool released on a decreasing schedule to bootstrap the network) plus gas fees from actual transactions. The 10 billion SUI cap never moves, but the subsidy still dilutes: it moves tokens out of a non-circulating pool and into circulation, which affects a holder the same way new issuance would, with the storage fund compensating validators for holding historical data. Over time the design intends fees to replace subsidies.
What is the minimum to stake SUI?
The protocol minimum is 1 SUI, delegated from a self-custody wallet to any validator. Rewards accrue per epoch and compound automatically until you withdraw the stake.