Arbitrum is the largest Ethereum Layer 2 by TVL, offering low fees and a mature DeFi ecosystem. This guide covers the best places to earn yield on your stablecoins.
Why Arbitrum for Stablecoin Yields?
| Advantage | Details |
|---|---|
| Low Fees | $0.10-0.50 per transaction |
| Fast Transactions | ~250ms confirmation |
| Mature Ecosystem | $3B+ TVL, 500+ dApps |
| Security | Inherits Ethereum security |
| Native USDC | Circle CCTP support |
Current Top Yields on Arbitrum
| Protocol | Asset | APY | Risk Level |
|---|---|---|---|
| Pendle | USDC (PT) | 8-12% | Medium |
| GMX (GLP) | USDC | 5-15% | Medium-High |
| Aave V3 | USDC | 5.2% | Low |
| Radiant V2 | USDC | 4-8% | Medium |
| Compound V3 | USDC | 5.4% | Low |
| Silo | USDC | 4-7% | Medium |
Rates as of February 2025. Check current rates on each protocol.
Protocol Deep Dives
Aave V3 — Battle-Tested Lending
The safest option on Arbitrum with excellent liquidity.
Current USDC APY: ~5.2%
How It Works:
Deposit USDC, receive aUSDC
Interest accrues automatically
Withdraw anytime
How to Use:
Go to app.aave.com
Connect wallet, select Arbitrum
Click "Supply" on USDC
Enter amount and confirm
Pros:
Most audited protocol in DeFi
Deep liquidity
No lock-ups
Cons:
Rates can be lower than riskier options
Best For: Risk-averse users, large deposits
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Compound V3 — Simplified Security
Single-asset market design for maximum simplicity.
Current USDC APY: ~5.4%
How It Works:
USDC-only market
Deposit USDC, earn supply APY
Simpler code = smaller attack surface
How to Use:
Go to app.compound.finance
Connect wallet, select Arbitrum
Supply USDC
Pros:
Simplest design
Security-focused architecture
Cons:
Fewer features than Aave
Best For: Security-first users
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GMX — Liquidity Provider Yields
Earn trading fees by providing liquidity to GMX's perpetual exchange.
Current GLP APY: 5-15% (variable based on trading volume)
How It Works:
Buy GLP tokens (basket of assets including USDC)
GLP holders earn 70% of platform fees
Higher volume = higher yields
How to Use:
Go to app.gmx.io
Click "Buy GLP"
Select USDC as input
Confirm purchase
Yield Breakdown:
ETH rewards (from fees): ~3-10%
esGMX rewards: ~2-5%
Total varies with trading activity
Pros:
High yield potential
Diversified exposure
Battle-tested protocol
Cons:
Not pure stablecoin (GLP includes ETH, BTC)
Yield varies significantly
Exposure to trader PnL
Best For: Users comfortable with some volatility for higher yields
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Radiant Capital — Cross-Chain Lending
Omnichain lending protocol with native Arbitrum roots.
Current USDC APY: 4-8% (base + RDNT rewards)
How It Works:
Deposit USDC as collateral
Earn supply APY + RDNT token rewards
Can borrow against deposits
How to Use:
Go to radiant.capital
Connect wallet
Deposit USDC
Lock dLP for boosted rewards (optional)
Yield Breakdown:
Base APY: ~2-4%
RDNT rewards: ~2-4% (if dLP locked)
Pros:
Higher yields with dLP locking
Cross-chain capabilities
Cons:
RDNT rewards require token exposure
More complex than simple lending
Best For: Users willing to hold/stake RDNT
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Pendle — Fixed Yield & Yield Trading
Advanced protocol for fixed-rate yields and yield speculation.
Current USDC PT APY: 8-12% (fixed until maturity)
How It Works:
Split yield-bearing assets into PT (Principal) and YT (Yield)
Buy PT at discount, redeem at face value at maturity
Result: Fixed yield locked in at purchase
Example:
Buy PT-aUSDC maturing in 6 months at $0.96
At maturity, redeem for $1.00
Effective APY: ~8.3% (fixed)
How to Use:
Go to app.pendle.finance
Connect wallet, select Arbitrum
Find USDC/aUSDC pools
Buy PT for fixed yield
Pros:
Lock in fixed rates
Higher yields than base lending
No liquidation risk on PT
Cons:
Funds locked until maturity
More complex to understand
Less liquid markets
Best For: Users wanting predictable, fixed returns
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Silo Finance — Isolated Lending
Risk-isolated lending markets to contain potential exploits.
Current USDC APY: 4-7%
How It Works:
Each asset pair has isolated risk
If one market is exploited, others are safe
More experimental assets available
Pros:
Risk isolation
Access to higher-yield markets
Cons:
Less liquidity than Aave
Newer protocol
Best For: Users exploring beyond mainstream protocols
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How to Get Started on Arbitrum
Step 1: Bridge Assets to Arbitrum
Option A: Native Bridge (7-day withdrawal)
Go to bridge.arbitrum.io
Connect wallet
Select asset and amount
Confirm bridge transaction
Option B: Circle CCTP (Recommended for USDC)
Use any CCTP-integrated interface
Native USDC, no wrapped tokens
~20 minute bridging time
Option C: Third-Party Bridges (Faster)
Stargate, Across, Synapse
Faster but with bridge risk
Step 2: Get ETH for Gas
You need ETH on Arbitrum for transaction fees.
Bridge ETH along with your stablecoins
Or use a faucet for tiny amounts
~$5-10 of ETH is enough for many transactions
Step 3: Connect to Protocols
Visit protocol website
Connect your wallet
Ensure network is "Arbitrum One"
Deposit and start earning
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Risk Comparison
| Protocol | Smart Contract | Oracle | Liquidity | Overall |
|---|---|---|---|---|
| Aave V3 | ⭐⭐⭐⭐⭐ | ⭐⭐⭐⭐⭐ | ⭐⭐⭐⭐⭐ | Low |
| Compound V3 | ⭐⭐⭐⭐⭐ | ⭐⭐⭐⭐⭐ | ⭐⭐⭐⭐ | Low |
| GMX | ⭐⭐⭐⭐ | ⭐⭐⭐⭐ | ⭐⭐⭐⭐ | Medium |
| Radiant | ⭐⭐⭐ | ⭐⭐⭐⭐ | ⭐⭐⭐ | Medium |
| Pendle | ⭐⭐⭐⭐ | ⭐⭐⭐⭐ | ⭐⭐⭐ | Medium |
| Silo | ⭐⭐⭐ | ⭐⭐⭐ | ⭐⭐⭐ | Medium |
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Yield Strategies by Risk Tolerance
Conservative (Low Risk)
100% Aave V3 or Compound V3
Expected APY: 5-5.5%
Balanced (Medium Risk)
50% Aave V3
30% Pendle PT
20% Radiant
Expected APY: 6-8%
Aggressive (Higher Risk)
40% Pendle PT
30% GMX GLP
20% Aave V3
10% Silo
Expected APY: 8-12%
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Arbitrum-Specific Tips
Gas timing: Arbitrum gas is usually consistent, but check during high-activity periods
Native USDC: Use CCTP-bridged USDC when possible, not bridged/wrapped versions
Sequencer risk: Rare, but Arbitrum sequencer downtime can delay transactions
ARB airdrops: Some protocols may have future airdrops for active users
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