Ethena vs Sky for Dollar Yield When Both Tokens Sit Above $1.4 Billion

Ethena's synthetic dollar and Sky's USDS both paid a dollar yield on Saturday 12 September, and the ENA and SKY governance tokens received none of it. Those two tokens closed that session within 1.03x of each other on market cap, so Ethena vs Sky comes down to what each yield costs the saver.

Ethena's yield feed put sUSDe at 4.75% in its 9 September 2026 update, earned from funding and basis trades that can run negative. The Sky Savings Rate read 3.60% on the sUSDS contract at the Saturday close, after a rate change on 3 September lifted it from 3.52%. Both rates move, and on those two readings a saver collects 1.15 points more for carrying Ethena's funding risk.

Ethena vs Sky at a Glance

Why Neither ENA Nor SKY Pays the Dollar Yield

The yield on the Ethena side belongs to sUSDe, the token you receive for staking USDe, and our explainer on how sUSDe works covers the vault mechanics. For this comparison the useful detail is where the money lands. Ethena's staking page says rewards arrive in the staking contract as USDe, so holding the staked token is the only way to collect them.

ENA governs the machine that produces that yield. Ethena's ENA page describes a token that votes on the composition of USDe backing, on new backing strategies and on the future allocation of protocol revenue. Its staked form grows only through ENA distributions the docs call purely discretionary, and the staking guide's note dated September 2025 says no distributions were in effect or announced. On Ethena's own documents, an ENA holder has a say over the revenue and no claim on it.

Sky runs the same split with different plumbing. On Sky's own site the savings product is sUSDS, which you receive for supplying USDS to the Sky Savings Rate, and SKY is the governance token that votes on that rate. Staked SKY earns a reward too, and it arrives in SKY. Sky's staking page says aggregate protocol surplus buys SKY on the open market and distributes it to stakers. That reward rises and falls with the token price, and the dollar yield stays with the savings token.

Where the sUSDe Yield Comes From and What It Costs

Ethena's overview lists the sources behind USDe as funding on delta-neutral basis trades, lending to DeFi markets and institutions, and returns on tokenized real-world assets. The basis trade is the source that can cost the saver. It holds spot crypto and shorts a perpetual against it, and the short gets paid when longs pay shorts, which is how funding rates work in crypto futures in a normal market. When shorts pay longs, the trade bleeds.

Ethena's funding-risk page puts numbers on that bleed. It counts 17.5% of days with a negative sum return on ETH perpetuals and 15.9% on BTC, and the ETH share falls to 8.84% of days once you add staked ETH income back in. The longest negative funding streak it records lasted 13 days, and it puts average annualized funding at 7.8% to 9% over three years on data updated to 31 December 2024.

Against those averages, the 9 September figure of 4.75% is low. The same Ethena feed puts the 30-day average at 4.62%, the 90-day average at 4.11% and the average since launch at 10.54%. A saver who bought the since-launch number holds a yield that has more than halved. That swing is the first cost of a rate built on leverage demand.

Who absorbs a bad stretch is the next cost. Ethena's rewards page says negative revenue never passes to stakers and that the Reserve Fund bears it, and the Reserve Fund page puts the share of revenue flowing into that fund at 0%. Every dollar of revenue goes out as incentive rewards and distributions, so the cushion is whatever balance the fund already holds.

Access costs something too. The docs call the rewards discretionary, paid in by a subsidiary of the Ethena Foundation, and unstaking runs through a cooldown that governance sets at one to seven days depending on reserve conditions. Funding is also only the first of seven risks on Ethena's risk page, which runs from liquidation and custody to exchange failure and the backing assets themselves.

How the Sky Savings Rate Gets Set

The Sky Savings Rate is a policy decision. Sky's sUSDS page calls it a variable protocol rate funded from aggregate Sky protocol surplus and says SKY holders vote it up or down onchain. The contract records each change. Its history shows the rate moving from 3.52% to 3.60% at 15:31 UTC on 3 September 2026 and holding there through the Saturday 12 September close.

Method: the savings rate and both vault balances come from the two savings contracts at block 25,964,780, the last Ethereum block before 00:00 UTC on 13 September. The contract stores a per-second rate, and compounding it over a year gives 3.60%.

At that block the Sky savings vault held 4.36 billion USDS and the Ethena staking vault held 1.31 billion USDe. The governance-set rate was paying on more than three times the balance of Ethena's market-driven one.

What a Sky saver gives up is the premium, and what they get is a rate that moves by decision. Sky's staking page says stability fees feed that surplus and that activity from Sky's Agents may add to it. Our profile of Grove, the Sky ecosystem credit protocol shows one place where USDS goes to work in credit. The same staking page says the surplus also buys the SKY paid to stakers. Savers and SKY stakers draw on one pool, and governance decides the split.

Sky's user-risk document, version 2.0 last modified on 1 September 2026, names smart-contract risk and oracle risk. It also warns that any rate the interface shows can "change, fall to zero, or turn out lower than displayed."

The Federal Reserve held its target range at 3-1/2 to 3-3/4 percent on 29 July 2026, and all three dissenters preferred a quarter-point hike. A 3.60% savings rate falls inside that range. The committee meets again on 15 and 16 September with a fresh Summary of Economic Projections, and any change to the Sky Savings Rate after that comes through the same onchain process as the 3 September move.

Ethena pays more for carrying funding, custody and exchange exposure behind a cooldown, and Sky pays less on a rate that moves only when governance moves it.

ENA vs SKY on Market Cap and Supply

Rebuilt as circulating supply times the dated close, the ENA token was valued at $1,439.6 million at the Saturday 12 September close and the SKY token at $1,478.6 million. ENA has 10,095,312,500 tokens circulating against a Phemex spot close of $0.1426, and SKY has 23,432,401,097 against $0.0631, which makes SKY 1.03 times ENA's size.

The paths there looked nothing alike. ENA gained 1.35% on the Saturday session and 66.01% over the thirty sessions to that close, and SKY gained 1.97% and 18.63% over the same spans. Over seven sessions both fell, ENA by 17.14% and SKY by 10.42%, so the thirty-session leader also took the harder hit in the final week.

Supply is the specific risk on the ENA side. Only 67.3% of the 15 billion maximum circulates. Ethena's tokenomics page puts core contributors and investors on a 25% cliff one year after the 5 March 2024 launch, followed by three years of linear monthly vesting. That keeps a monthly unlock running into March 2028, and our profile of Guy Young, who built Ethena's USDe covers how the protocol started.

SKY's float is close to full. The token contract reports a total supply of 23,459,804,204 against the 23,432,401,097 circulating, and Sky's developer docs fix conversion from the old MKR token at 1 to 24,000. Our profile of Rune Christensen, the founder behind DAI and Sky covers the MakerDAO history that SKY inherited.

Which Token Can Hedge Ethena or Sky Exposure on Phemex

On the hedging question Ethena vs Sky has a clear winner, and it's ENA, because it's the only side with a live Phemex perpetual. The ENA-USDT contract is listed and funds every four hours, and SKY trades on Phemex as a spot pair with no live perpetual. Phemex's product record marks its SKYUSDT perpetual delisted, and the last daily bar on that contract printed on 25 June 2026.

That matters more to a saver than to a trader. If you hold sUSDe and want a position that gains when Ethena hits a bad stretch, a short on ENA futures is the direct tool on this venue. It's a rough hedge, because ENA moves hard on its own, as the seven-session slide above shows. Anyone holding sUSDS has no equivalent here and can only sell SKY they already own.

For savers weighing more than these two, our guide to stablecoin yield options across CeFi and DeFi lays out the wider menu, though its figures date from 2025.

Frequently Asked Questions

Can EU residents stake USDe with Ethena?

Ethena's documentation says it doesn't offer the staked token to persons with their habitual residence or registered office in the European Union or the European Economic Area. Its staking video guide adds the United Kingdom to that notice.

How often do sUSDe rewards arrive?

Payments land in the staking contract every eight hours and vest linearly over the next eight, so a staker can't jump in before a payment and leave straight after it. Ethena calculates the published APY weekly and annualizes it with weekly compounding.

Does sUSDS charge a fee to exit?

No. Sky's developer documentation says the deposit and withdrawal route assesses no fees and that fees can't be enabled on that route in the future.

What did the Ethena backing earn in the same update?

Ethena's feed put the yield on the protocol's backing at 4.89% in the 9 September update that showed 4.75% for stakers. The feed calls that figure the protocol yield.

Bottom Line

Buying ENA or SKY buys a vote over somebody else's savings rate. On Ethena that vote governs a machine that sends all of its revenue out as rewards and incentives and keeps none back for the Reserve Fund. On Sky it governs a single surplus that funds the 3.60% for savers and the SKY bought for stakers.

If you want the dollar yield, hold the savings token. If you want to trade one protocol against the other, ENA is the side you can short on Phemex, and SKY is the side you can only own.

Disclaimer: This article is for informational purposes only and is not financial advice. Cryptocurrency trading involves substantial risk. Always do your own research before making investment decisions.