[ARFC] - Chaos Labs Risk Stewards - Increase Supply Cap wstETH on V3 Ethereum - 11.19.2023


A proposal to increase the supply cap for wstETH on V3 Ethereum


The supply cap for wstETH on Ethereum V3 is currently at 92% utilization.

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Utilizing our supply cap methodology we recommend an increase in the supply cap of wstETH without introducing significant risk to the protocol. We recommend increasing the supply cap for wstETH on the Ethereum network to 1,100,000 wstETH.

Borrow Distribution

Predominantly, wstETH collateral on Aave Ethereum V3 is being used to borrow WETH in E-Mode, ~$577M out of ~$920M accounting for ~62% of the borrows against wstETH.

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Top Suppliers

The top ten suppliers on Aave Ethereum V3 collectively contribute approximately $911 million in wstETH, accounting for about 52% of the total wstETH supply. Notably, the largest of these accounts, belonging to Morpho, is responsible for supplying $538 million in wstETH, which is nearly 30% of the entire supply and borrows roughly $350 million in WETH against its supply in E-Mode.

Although this represents a significant concentration within the market, its usage and risk profile do not alter our current recommendations regarding the asset.

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Stress Tests

Analyzing our stress scenarios, we observed no increase in VaR while increasing the supply cap and simulating a ~33% drop in wstETH price.
We start seeing an increase in VaR when simulating a 43% price drop and when increasing the supply by 1.8X - to ~1,400,000 wstETH.
It is important to note that our analysis assumes no significant price divergences between WETH and stETH


Chain Asset Current Supply Cap Recommended Supply Cap Current Borrow Cap Recommended Borrow Cap
Ethereum wstETH 850,000 1,100,000 24,000 No Change

Next Steps

Once we receive feedback from @Gauntlet on the above recommendations, we will move forward to implement these updates via the Risk Steward process.


We’ve previously recommended increasing the wstETH supply cap to 1.1m on Ethereum V3, so we are aligned with this recommendation.

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We’ve prepared the payload with the updated recommendation above to be executed via the Risk Steward process for this proposal.

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This was executed via risk steward.

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