WETH on Aave Optimism

Live Wrapped Ether (WETH) rates on the Aave V3 Optimism market: what suppliers earn, what borrowers pay, how much is available, and the settings that decide both.

Data from Aave's API · updated 2026-09-21 08:56 UTC

Supply APY

1.03%

earned by suppliers

Borrow APY, variable

1.73%

paid by borrowers

Total supplied

$23.03M

8.53K WETH

Total borrowed

$16.20M

6.00K WETH

Utilization

70.3%

share of supply that is lent out

Available to borrow

$6.83M

oracle price $2.7K

WETH supply and borrow APY history

Daily averages published by Aave's API

Risk settings

Can be used as collateral	Yes
Max loan-to-value (LTV)	80.00%
Liquidation threshold	83.00%
Liquidation penalty	5.00%
Reserve factor	15.00%
Flash loans	Enabled
Supply cap used	8.53K of 20.00K WETH (42.6%)
Borrow cap used	6.00K of 16.00K WETH (37.5%)

New to these terms? Read health factor explained and supply and borrow caps.

Contracts

WETH token	0x4200…0006
aToken (aOptWETH)	0xe50f…28c8
Variable debt token	0x0c84…4351
Price oracle	0x13e3…08c5
Interest rate strategy	0x9359…bed1
Pool	0x794a…14aD

Links open the Optimism block explorer.

WETH utilization and interest rate curve

Utilization is 70.3% right now. The chart shows how the rate responds as more of the supply gets borrowed.

Borrow APR Supply APR

Up to 90% utilization the borrow rate climbs gently from 0.00% to 2.20%. Past that point it climbs steeply, reaching 10.20% when everything is lent out. How Aave interest rates work.

E-Mode categories that include WETH

Efficiency mode raises borrowing power between closely related assets. E-Mode explained.

Category (1)	Max LTV	Liquidation threshold	Penalty	As collateral	Borrowable
ETH correlated	93.00%	95.00%	1.00%	Yes	Yes

WETH on other Aave markets

The same asset, different rates

Compare all →

Market	Total supplied	Supply APY	Total borrowed	Borrow APY	Utilization
Ethereum CoreWETH · $5.72B	$5.72B2.11M WETH	1.46%	$4.77B1.76M WETH	2.07%	85.7%
ArbitrumWETH · $262.9M	$262.9M97.31K WETH	0.96%	$150.2M55.58K WETH	1.99%	82.4%
BaseWETH · $228.0M	$228.0M84.38K WETH	1.47%	$189.0M69.96K WETH	2.09%	82.9%
Ethereum MainV4WETH · $98.18M	$98.18M36.26K WETH	7.88%	$532K196.30 WETH	9.64%base rate	96.2%
Ethereum PrimeWETH · $50.85M	$50.85M18.78K WETH	1.24%	$40.12M14.82K WETH	1.85%	78.9%
PolygonWETH · $36.38M	$36.38M13.48K WETH	0.30%	$7.88M2.92K WETH	1.66%	21.7%
AvalancheWETH.e · $28.22M	$28.22M10.44K WETH.e	1.59%	$23.04M8.53K WETH.e	2.29%	81.6%
InkWETH · $28.07M	$28.07M10.39K WETH	0.21%	$3.28M1.22K WETH	2.15%	11.7%