Sky Lending vs Spark Savings: USDS yields compared
Sky Lending has 3 qualifying USDS pools ($5.10B) and Spark Savings has 2 ($488.1M). The best 30-day average is 5.72% on Sky Lending (Ethereum) versus 3.77% on Spark Savings (Arbitrum).
Typical pools pay about 3.77% on Sky Lending and 3.77% on Spark Savings; Sky Lending holds more USDS in pools that pass our filters. Median Safety Score: Sky Lending 98/100, Spark Savings 76/100.
Last updated · refreshes every 6 hours (next ≈ 06:07 UTC) · Data: DefiLlama ↗
Sky Lending best
5.72%
USDS · Ethereum
Spark Savings best
3.77%
USDS · Arbitrum
Sky Lending TVL
$5.10B
3 pools · median safety 98
Spark Savings TVL
$488.1M
2 pools · median safety 76
Every qualifying pool, ranked
SafetyHow it's scored
5 options match
- 1
Sky Lending
USDS · Ethereum
5.72%30d avg
Now 6.03%TVL $145.8MSteadySteadyDetails
Safety scoreConfidence: High (100% of weighted inputs known)- Protocol size (TVL) · 12%90$5.0B deposited across the whole protocol (full marks at $10B, zero at $10M).
- Pool size (TVL) · 10%72$146M in this pool (full marks at $1B, zero at $1M).
- Protocol age · 10%100Listed on DefiLlama before Oct 2021, so running for at least 5 years.
- Audits · 12%100Two or more audits listed on DefiLlama. Audits lower, not remove, bug risk.
- Hack history · 12%100No hacks recorded for this protocol in DefiLlama's hacks database.
- APY volatility · 14%87APY has been steady: today 6.03% vs 30-day average 5.72%.
- Reward-token reliance · 10%0100% of today's rate is paid in reward tokens, which can fall in price or stop.
- Stablecoin peg health · 12%100USDS's worst daily price in the past year was 0.21% off $1.
- Impermanent-loss risk · 8%100Single asset: no impermanent-loss risk flagged.
DefiLlama's APY outlook: Down (shown for information, not scored).
Safer = 80 or more. Fewer red flags in public data, not a guarantee and not financial advice. How the score works
- Note
- GROVE Farming Pool
- Reward tokens
- 6.03% of the rate is paid in reward tokens, which can fall in price.
- Source
- DefiLlama pool page ↗Sky Lending website ↗
- 2
Spark Savings
USDS · Arbitrum
3.77%30d avg
Now 3.80%TVL $476.0MSteadySteadyDetails
Safety scoreConfidence: High (100% of weighted inputs known)- Protocol size (TVL) · 12%71$1.3B deposited across the whole protocol (full marks at $10B, zero at $10M).
- Pool size (TVL) · 10%89$476M in this pool (full marks at $1B, zero at $1M).
- Protocol age · 10%28Listed on DefiLlama 1.1 years ago (full marks at 4 years).
- Audits · 12%0No audits listed on DefiLlama.
- Hack history · 12%100No hacks recorded for this protocol in DefiLlama's hacks database.
- APY volatility · 14%99APY has been steady: today 3.80% vs 30-day average 3.77%.
- Reward-token reliance · 10%100None of the rate depends on reward tokens.
- Stablecoin peg health · 12%100USDS's worst daily price in the past year was 0.21% off $1.
- Impermanent-loss risk · 8%100Single asset: no impermanent-loss risk flagged.
DefiLlama's APY outlook: Stable/Up (shown for information, not scored).
Moderate = 60–79. Fewer red flags in public data, not a guarantee and not financial advice. How the score works
- 3
Spark Savings
USDS · Base
3.77%30d avg
Now 3.80%TVL $12.1MSteadySteadyDetails
Safety scoreConfidence: High (100% of weighted inputs known)- Protocol size (TVL) · 12%71$1.3B deposited across the whole protocol (full marks at $10B, zero at $10M).
- Pool size (TVL) · 10%36$12M in this pool (full marks at $1B, zero at $1M).
- Protocol age · 10%28Listed on DefiLlama 1.1 years ago (full marks at 4 years).
- Audits · 12%0No audits listed on DefiLlama.
- Hack history · 12%100No hacks recorded for this protocol in DefiLlama's hacks database.
- APY volatility · 14%99APY has been steady: today 3.80% vs 30-day average 3.77%.
- Reward-token reliance · 10%100None of the rate depends on reward tokens.
- Stablecoin peg health · 12%100USDS's worst daily price in the past year was 0.21% off $1.
- Impermanent-loss risk · 8%100Single asset: no impermanent-loss risk flagged.
DefiLlama's APY outlook: Stable/Up (shown for information, not scored).
Moderate = 60–79. Fewer red flags in public data, not a guarantee and not financial advice. How the score works
- 4
Sky Lending
SUSDS · Ethereum
3.77%30d avg
Now 3.80%TVL $4.48BSteadySteadyDetails
Safety scoreConfidence: High (100% of weighted inputs known)- Protocol size (TVL) · 12%90$5.0B deposited across the whole protocol (full marks at $10B, zero at $10M).
- Pool size (TVL) · 10%100$4.5B in this pool (full marks at $1B, zero at $1M).
- Protocol age · 10%100Listed on DefiLlama before Oct 2021, so running for at least 5 years.
- Audits · 12%100Two or more audits listed on DefiLlama. Audits lower, not remove, bug risk.
- Hack history · 12%100No hacks recorded for this protocol in DefiLlama's hacks database.
- APY volatility · 14%97APY has been steady: today 3.80% vs 30-day average 3.77%.
- Reward-token reliance · 10%100None of the rate depends on reward tokens.
- Stablecoin peg health · 12%100USDS's worst daily price in the past year was 0.21% off $1.
- Impermanent-loss risk · 8%100Single asset: no impermanent-loss risk flagged.
DefiLlama's APY outlook: Stable/Up (shown for information, not scored).
Safer = 80 or more. Fewer red flags in public data, not a guarantee and not financial advice. How the score works
- 5
Sky Lending
SUSDS · Arbitrum
3.77%30d avg
Now 3.80%TVL $476.0MSteadySteadyDetails
Safety scoreConfidence: High (100% of weighted inputs known)- Protocol size (TVL) · 12%90$5.0B deposited across the whole protocol (full marks at $10B, zero at $10M).
- Pool size (TVL) · 10%89$476M in this pool (full marks at $1B, zero at $1M).
- Protocol age · 10%100Listed on DefiLlama before Oct 2021, so running for at least 5 years.
- Audits · 12%100Two or more audits listed on DefiLlama. Audits lower, not remove, bug risk.
- Hack history · 12%100No hacks recorded for this protocol in DefiLlama's hacks database.
- APY volatility · 14%99APY has been steady: today 3.80% vs 30-day average 3.77%.
- Reward-token reliance · 10%100None of the rate depends on reward tokens.
- Stablecoin peg health · 12%100USDS's worst daily price in the past year was 0.21% off $1.
- Impermanent-loss risk · 8%100Single asset: no impermanent-loss risk flagged.
DefiLlama's APY outlook: Stable/Up (shown for information, not scored).
Safer = 80 or more. Fewer red flags in public data, not a guarantee and not financial advice. How the score works
Education, not financial advice. Rates change; DeFi carries smart-contract and depeg risk. Do your own research.
Questions
Which pays more on USDS, Sky Lending or Spark Savings?
Right now Sky Lending's best USDS pool has the higher 30-day average (5.72%, USDS on Ethereum) against 3.77% for Spark Savings. Comparing typical pools instead of the best one: Sky Lending 3.77%, Spark Savings 3.77%.
Which is safer for USDS, Sky Lending or Spark Savings?
Neither is risk-free. On our Safety Score the typical (median) Sky Lending pool here scores 98/100 and the typical Spark Savings pool 76/100. Sky Lending's top-paying pool scores 84/100 (Safer); Spark Savings's scores 76/100 (Moderate). Open any row for the factor-by-factor breakdown.
Which has more USDS deposited?
Across pools that pass our filters, Sky Lending holds $5.10B and Spark Savings holds $488.1M. More deposits mean more people trust the pool, but not that it is safe.
How are the pools chosen?
We include every USDS pool from either protocol that passes our standard filters: single-asset stablecoin pools with no impermanent loss, at least $10.0M deposited, 30+ days of history and a rate no higher than 25%. Both protocols' versions are grouped together.
How often is this comparison updated?
Every 6 hours, from DefiLlama. Last updated Nov 2, 2026, 03:57 UTC. If the two protocols stop having 3+ qualifying pools between them, this page is removed.
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