Risk Parameter Updates 2022-03-31
A proposal to adjust six (6) total risk parameters including LTV, Liquidation Threshold, and Liquidation Bonus across three (3) Aave V2 assets. In addition, Gauntlet recommends freezing legacy KNC.
This proposal is a batch update of risk parameters to align with the the Moderate risk level chosen by the Aave community. These parameter updates are a continuation of Gauntlet's regular parameter recommendations.
This set of parameter updates seeks to maintain the overall risk tolerance of the protocol while making risk trade-offs between specific assets.
Gauntlet's parameter recommendations are driven by an optimization function that balances 3 core metrics: insolvencies, liquidations, and borrow usage. Parameter recommendations seek to optimize for this objective function. Our agent-based simulations use a wide array of varied input data that changes on a daily basis (including but not limited to, asset volatility, asset correlation, asset collateral usage, DEX / CEX liquidity, trading volume, expected market impact of trades, and liquidator behavior). Gauntlet's simulations tease out complex relationships between these inputs that cannot be simply expressed as heuristics. The individual collateral pages on the Gauntlet Risk Dashboard cover other key statistics and outputs from our simulations that can help with understanding interesting inputs and results related to our simulations.
Our recent market downturn report showed that many collaterals are resilient to insolvencies, as our simulation models have predicted. We will continue to adjust risk parameters to drive increases in capital efficiency while maintaining protocol risk at safe levels.
The community should use Gauntlet's Risk Dashboard to better understand the updated parameter suggestions and general market risk in Aave V2.
Freezing Legacy KNC
The KyberDAO approved the proposal to migrate KNC token contract to a new implementation on 4/20/2021, which enables Kyber governance to upgrade KNC efficiently. As of 3/28/2022, roughly 195M of KNC have migrated to the new Kyber Network Crystal (KNC) and 57M of KNC are still in the old KNC Legacy (KNCL) contract. There are currently $2.9M KNCL supplied and $900K total borrowed on Aave v2.
Considering that exchanges (e.g. Kraken, Crypto.com) have stopped supporting KNCL deposit and trading, the liquidity of KNCL has also been reduced. We propose freezing KNCL to speed up the KNC migration as well as eliminating the risk of keeping a less liquid deprecated asset on the platform.
The proposal sets the liquidation bonus, LTV and liquidation threshold ratios by calling
configureReserveAsCollateral on the
LendingPoolConfigurator contract at
0x311Bb771e4F8952E6Da169b425E7e92d6Ac45756, using the address and parameters specific to each token.
The full list of parameter updates can be found in the forum.
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