cbBTC on Aave Base

Q: What is the cbBTC supply APY on Aave Base?

<0.01% a year right now. It is paid out of what borrowers pay and changes with every deposit, loan and repayment.

Q: What is the cbBTC borrow rate on Aave Base?

The variable borrow APY is 0.63%. It rises with utilization, now 2.6%.

Q: Can I use cbBTC as collateral on Aave Base?

Yes. You can borrow up to 81% of its value, and a loan is liquidated at 84% with a 6.0% penalty.

Q: How much cbBTC can be borrowed on Aave Base right now?

$22.66M (298.90 cbBTC) is available. The borrow cap is 21% used.

Q: Where else can I supply or borrow CBBTC on Aave?

The best supply rate is <0.01% on Ethereum Core. The cheapest borrow rate is 0.27% on the Ethereum Main spoke (V4). Only markets with real liquidity are counted.

Live Coinbase Wrapped BTC (cbBTC) rates on the Aave V3 Base market: what suppliers earn, what borrowers pay, how much is available, and the settings that decide both.

Data from Aave's API · updated 2026-11-08 04:27 UTC

Supply APY

<0.01%

earned by suppliers

Borrow APY, variable

0.63%

paid by borrowers

Total supplied

$239.4M

3.16K cbBTC

Total borrowed

$6.15M

81.10 cbBTC

Utilization

2.6%

share of supply that is lent out

Available to borrow

$22.66M

oracle price $75.8K

cbBTC supply and borrow APY history

Averages published by Aave's API

Risk settings

Can be used as collateral	Yes
Max loan-to-value (LTV)	81.00%
Liquidation threshold	84.00%
Liquidation penalty	6.00%
Reserve factor	50.00%
Flash loans	Enabled
Supply cap used	3.16K of 4.00K cbBTC (78.9%)
Borrow cap used	81.10 of 380.00 cbBTC (21.3%)

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

Contracts

cbBTC token	0xcbB7…33Bf
aToken (aBascbBTC)	0xBdb9…8EE6
Variable debt token	0x05e0…b9AD
Price oracle	0x3A93…d446
Interest rate strategy	0x86AB…bDC5
Pool	0xA238…d1c5

Links open the Base block explorer.

cbBTC utilization and interest rate curve

Utilization is 2.6% right now. The chart shows how the rate responds as more of the supply gets borrowed.

Borrow APR Supply APR

Up to 80% utilization the borrow rate climbs gently from 0.50% to 4.50%. Past that point it climbs steeply, reaching 64.50% when everything is lent out. How Aave interest rates work.

E-Mode categories that include cbBTC

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

Category (2)	Max LTV	Liquidation threshold	Penalty	As collateral	Borrowable
LBTC_cbBTC	82.00%	84.00%	3.00%	No	Yes
cbBTC Stablecoins	82.00%	85.00%	4.00%	Yes	No

About cbBTC on Aave Base

Coinbase Wrapped BTC (cbBTC) is listed on the Aave V3 Base market. Lenders have supplied $239.4M (3.16K cbBTC) and borrowers owe $6.15M, so 2.6% of the pool is lent out and $22.66M is left to borrow. The supply cap is 79% used.

Suppliers earn <0.01% a year, and variable-rate borrowers pay 0.63%. The rate follows utilization: up to 80% the borrow rate rises gently from 0.50% to 4.50%, and above that it climbs steeply to 64.50% when everything is lent out. At 2.6% now, the pool is below that point. Aave keeps 50% of the interest as its reserve factor.

cbBTC counts as collateral here: you can borrow up to 81% of its value, and a loan is liquidated once it reaches 84%, with a 6.0% penalty. In E-Mode it can back loans of up to 82%. The best CBBTC supply rate elsewhere on Aave is <0.01% on Ethereum Core. The cheapest place to borrow it is the Ethereum Main spoke (V4) at 0.27%. Compare CBBTC rates on every Aave market.

Among the 4 Aave markets with at least $1M of CBBTC supplied, this one pays the highest supply rate. Its borrow rate is the 3rd lowest of the 3 markets with at least $250K of CBBTC to lend. A week ago suppliers earned <0.01% and borrowers paid 0.64%, with 2.7% of the pool lent out. Over the past 30 days, the supply rate held at 0.01%, and the borrow rate ranged from 0.63% to 0.67% (one reading a day).