This Liquidity Providers on Automated Market Makers generate millions market participant who accepts a bid or ask and thereby withdraws of USD in transaction fees daily. However, the net value of a Liquidity liquidity from the Limit Order Book is referred to as the Market Position is vulnerable to price changes in the underlying assets Taker. in the pool. The dominant measure of loss in a Liquidity Position In the Limit Order Book paradigm, Market Makers are incentivized is Impermanent Loss. Impermanent Loss for Constant Function to add liquidity through exchanges, which provide benefits Market Makers has been widely studied. We propose a new metric for Market Makers such as transaction rebates and reduced transaction to measure Liquidity Position PNL based on price movement fees [1]. In some cases, market participants can agree to become from the underlying assets. Compared to Impermanent Loss, we a Contractual Market Maker, where they are compensated to reliably show how Liquidity Position PNL more appropriately measures provide liquidity so that the difference between the largest the change in the net value of a Liquidity Position as a function of ask and smallest bid is kept to a minimum predetermined range price movement in the assets within the liquidity pool.

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