Liquid Staking Tokens in Automated Market Makers

• URL: http://arxiv.org/abs/2403.10226v2
• Date: Fri, 19 Jul 2024 12:23:36 GMT
• Title: Liquid Staking Tokens in Automated Market Makers
• Authors: Krzysztof Gogol, Robin Fritsch, Malte Schlosser, Johnnatan Messias, Benjamin Kraner, Claudio Tessone,
• Abstract summary: We study liquid staking tokens (LSTs) on automated market makers (AMMs) LSTs are tokenized representations of staked assets on proof-of-stake blockchains. We find that while trading fees often compensate for impermanent loss, fully staking is more profitable for many pools.
• Score: 5.277756703318046
• License: http://creativecommons.org/licenses/by/4.0/
• Abstract: This paper studies liquid staking tokens (LSTs) on automated market makers (AMMs), both theoretically and empirically. LSTs are tokenized representations of staked assets on proof-of-stake blockchains. First, we model LST-liquidity on AMMs theoretically, categorizing suitable AMM types for LST liquidity and deriving formulas for the necessary returns from trading fees to adequately compensate liquidity providers under the particular price trajectories of LSTs. For the latter, two relevant metrics are considered: (1) losses compared to holding the liquidity outside the AMM (loss-versus-holding, or "impermanent loss"), and (2) the relative profitability compared to fully staking the capital (loss-versus-staking) which is specifically tailored to the case of LST-liquidity. Next, we empirically measure these metrics for Ethereum LSTs across the most relevant AMM pools. We find that, while trading fees often compensate for impermanent loss, fully staking is more profitable for many pools, raising questions about the sustainability of the current LST liquidity allocation to AMMs.

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