Stablecoin yield, traced back to its source

Why stablecoins pay so much more than Bitcoin

Put ten thousand dollars of USDC into a savings account and you might get 4% to 8%. Put the equivalent in Bitcoin into the same platform and you will be lucky to see 1%. Newcomers assume this is a pricing quirk. It is not — it is the clearest signal in the whole market about what earn products really are.

Interest rates reflect borrowing demand. In crypto, almost everyone who borrows wants dollars: a trader going long needs stablecoins to buy with, a market maker needs dollar inventory, an arbitrageur needs to fund a position. Almost nobody wants to borrow Bitcoin, because borrowing an asset means betting it will fall, and the population of people who want to short Bitcoin with borrowed coins is small relative to the supply available to lend.

So the rate you are quoted on USDC is essentially a measurement of how much leverage exists in crypto markets at that moment. When speculation runs hot, stablecoin yields climb. When it goes quiet, they fall — which is why the same platform can show 9% in one quarter and 4% the next without changing anything about how it operates.

The four things that fund a stablecoin yield

Margin lending. The bread and butter. A platform lends your USDC to traders who post collateral worth more than they borrow. Healthy, cyclical, and the source behind most centralised rates between 4% and 8%.

Treasury pass-through. Where a platform or issuer holds reserves in short-dated government paper and shares part of the return. This tracks the short-term dollar rate and is structurally the safest source available. It is also why so many conservative venues cluster near 4% — that is roughly what the underlying instruments pay, minus a margin.

On-chain utilisation. In DeFi, the supply rate is a published function of how much of the pool is currently borrowed. Aave's model accelerates sharply once utilisation passes 70–80%, which is why USDC supply APY can swing from 3.8% to above 12% in a genuinely busy week and settle back within days. You can watch the formula operate in real time, which is an advantage no centralised lender can match.

Basis-trade funding. Ethena's USDe holds staked ETH and shorts an equivalent notional of perpetual futures. The hedge cancels price exposure, and stakers of sUSDe collect the funding payments plus the staking yield. When perpetual funding is strongly positive this pays extremely well — 10% to 15% historically. When funding compresses, as it did through early 2026, so does the yield. It sat at 4.75% as of September 2026.

What the market pays right now

Rates as published on 16 September 2026. Note how much tighter the honest middle of this table is than the headline spread suggests — strip out the tier-gated maximums and almost everything credible sits between 3.5% and 6.5%.

Yield-bearing stablecoins: sUSDe, sUSDS and sDAI

A newer structure has taken a serious share of this market. Instead of holding a stablecoin and collecting interest into a separate balance, you hold a wrapper token whose redemption value grows. One token, no claim step, and in some jurisdictions a cleaner tax profile.

sUSDS is Sky's savings token, the successor to DAI's savings product. It pays the Sky Savings Rate, set by governance rather than by a market — which makes it unusually predictable and unusually dependent on a DAO's decisions. The rate read 3.60% in early September 2026, after governance lifted it from 3.52% on 3 September.

sUSDe is Ethena's, and it is a genuinely different animal. Its yield comes from the basis trade described above, which means it is high when crypto speculation is hot and low when it is not. Anyone treating sUSDe as a savings account is misreading it; it is a packaged trading strategy with a stable unit of account.

sDAI remains in circulation as the legacy DAI savings wrapper. Together these three are the largest yield-bearing stablecoins by supply, and they share a form factor while sharing almost nothing else.

The risk that actually matters: the coin itself

Almost every comparison of stablecoin yield ranks by rate and stops there. That skips the larger question, which is whether the token will still be worth a dollar when you want out.

USDC traded meaningfully below a dollar in March 2023 when part of its reserves were held at a bank that failed. It recovered within days, but anyone who needed liquidity during that window took a real loss. USDT has faced persistent questions about reserve composition over the years and has never broken meaningfully; its scale and its trading depth are genuine strengths. Algorithmic designs have failed catastrophically and repeatedly.

The practical rule we use: the yield premium you are being offered should be compared against the depeg risk you are accepting, not against another coin's yield. Two percentage points of extra annual return does not begin to cover a five percent depeg you cannot exit. If you are holding a meaningful balance, splitting it across two well-reserved issuers costs you almost nothing and removes single-issuer exposure entirely.

One EU-specific note worth knowing: MiCA explicitly prevents stablecoin issuers from paying yield on their tokens, because the regulation is designed to stop e-money tokens competing with bank deposits. That constrains issuers rather than third-party platforms, but it explains why the structure of stablecoin yield looks different inside the EU.

Which route makes sense for you

If you want simplicity and a number you can plan around, a flat-rate flexible savings account at a well-regulated exchange is hard to beat. Around 4% with daily accrual, no minimum and no tier table to decode is a genuinely good product, and the two percentage points you forgo by not chasing a tier-gated 9.5% buy you a lot of certainty.

If you hold a large balance and can meet tier requirements, the specialists pay materially more. Ledn's 8.5% above $100,000 and Nexo's platinum rates are real. Both come with conditions worth reading twice — Nexo's top tier requires holding 10% of your portfolio in its own token, which is an extra position, not a free upgrade.

If you are comfortable on-chain, supplying USDC to Aave gets you a rate in the same band with a loan book you can audit yourself, and Base has often paid 50 to 100 basis points above Ethereum mainnet for the same asset. See DeFi yield farming.

And if you specifically want self-custody with no active management, sUSDS is the most boring option here in the best sense — a governance-set rate, no leverage, no funding dependency. Boring is an underrated feature in this market.