[ARFC] - Chaos Labs Risk Parameter Updates - Aave V3 Ethereum - 2023.07.27

Simple Summary

A proposal to adjust thirteen (13) total risk parameters, including Loan-to-Value, Liquidation Threshold, and Liquidation Bonus, across six (6) Aave V3 Ethereum assets.


Chaos Labs’ Parameter Recommendation Platform runs hundreds of thousands of agent-based off-chain and on-chain simulations to examine how different Aave V3 risk parameters configurations would behave under adverse market conditions - and find the optimal values to maximize protocol borrow usage while minimizing losses from liquidations and bad debt.

Please find more information on the parameter recommendation methodology here.

Note: As a general guideline, we limit the proposed changes by ±3% for all parameters as a high/low bound for a given proposal. This ensures more controlled changes and allows us to analyze their effect on user behavior before recommending further amendments to the parameters if the optimal configuration is outside this range.

You can also view the simulation results and breakdown for the different assets by clicking on them on this page.

The output of our simulations reveals an opportunity to increase LTVs, LTs, and LP for WBTC, WSTETH, LINK, AAVE, DAI, and USDC on V3 Ethereum, resulting in improved capital efficiency of the system, with a negligible effect on the projected VaR (95th percentile of the protocol losses that will be accrued due to bad debt from under-collateralized accounts over 24 hours) and EVaR (Extreme VaR, the 99th percentile of the protocol losses that will be accrued due to bad debt from under-collateralized accounts over 24 hours)

In addition, for DAI and wstETH, we recommend adjusting the LTV, as the current spread between the LTV to LT for these assets, which were originally set for the conservative V3 Ethereum launch, is unjustifiably large. The new spread will be similar to those of USDC and WETH, respectively.

Simulating all changes jointly yields a projected borrow increase of ~$3.8M, with no increase in VaR and Extreme VaR compared to simulations with the current parameters.

Liquidity Analysis:

Based on our analysis, we have determined that there is adequate on-chain liquidity to support any significant liquidations with the updated parameters.

Positions Analysis

We have not identified any outsized positions that are actively affecting our recommendations.

Top Borrowers

Top Suppliers


Asset Parameter Current Recommended Change
WBTC Liquidation Threshold 78% 79% +1%
WBTC Loan-to-Value 73% 74% +1%
WBTC Liquidation Penalty 5% 6% +1%
WSTETH Liquidation Threshold 80% 81% +1%
WSTETH Loan-to-Value 69% 78.5% +9.5%
LINK Liquidation Threshold 68% 71% +3%
LINK Loan-to-Value 53% 56% +3%
AAVE Liquidation Threshold 73% 75% +2%
AAVE Loan-to-Value 66% 68% +2%
DAI Liquidation Threshold 80% 81% +1%
DAI Loan-to-Value 77% 79% +2%
USDC Liquidation Threshold 80% 82% +2%
USDC Loan-to-Value 77% 80% +3%

Next Steps

  1. Following community feedback, submit the ARFC for a snapshot vote for final approval.
  2. If consensus is reached, submit an Aave Improvement Proposal (AIP) to implement the proposed updates.


Chaos Labs has not been compensated by any third party for publishing this ARFC.


Copyright and related rights waived via CC0

1 Like

The “Current” column in the recommendations table has been modified to incorporate the updates in AIP-277 to DAI’s LTV and USDC’s LT

Given the recent market events, we are currently not moving forward with this proposal. We will reevaluate this proposal and update the community as necessary on the next steps.

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