[RFC] Addition of Stader's ETHx into the ETH+ LST Basket

Hello, thank you @knight_mayr for your proposal.

We recently shared our research on the composition of the ETH+ asset basket as part of the RFC to Adjust Liquidity Constraints. We invite you to review it to understand our thoughts on the matter.

Regarding ETHx, we also support your desire to include it in the current asset basket.

We believe this would lead to better decentralization and increased attractiveness in the short/medium term.

Here is our recommendation for the inclusion of ETHx:

  • 50% wstETH
  • 28% sfrxETH
  • 17% rETH
  • 5% ETHx

As highlighted in our previous report, we consider it crucial to improve liquidity during the minting process of ETH+. Therefore, we are opting to significantly reduce the allocation of rETH in favor of increasing wstETH.

As for ETHx, its inclusion would enhance overall liquidity in the ETH+ asset basket and be beneficial for decentralization.

Check out our simulations:

Mint price Impact

Actual ETH+ basket composition price impact

  • As of September 3rd, it would take around 42 days to absorb the price impact from minting 12,000 ETH+ given the current ETH+ APR.

New ETH+ basket composition price impact

  • With the new allocation, it would also take 15 days (based on the current ETH+ APR).

Redemption price Impact :

Actual ETH+ basket composition price impact

New ETH+ basket composition price impact

With this new composition, the price impact during minting and redemption has significantly decreased.

To recap, the new allocation will:

  • Increase the expansion of ETH+ by improving mint liquidity
  • Boost ETH+ yield by adding ETHx
  • Enhance redemption liquidity without exposing wstETH to more than 50%

We also have other composition ideas:

  • wstETH: 48%
  • sfrxETH: 28%
  • rETH: 17%
  • ETHx: 7%

Or:

  • wstETH: 50%
  • sfrxETH: 21%
  • rETH: 21%
  • ETHx: 8%

Please feel free to share your thoughts/responses to further the discussion.

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