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How to estimate impermanent loss for LPs

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Providing liquidity can underperform holding when prices diverge. This calculator estimates that gap so fee income has a hurdle rate to beat. Use this guide when before entering a two-asset AMM pool. Follow the steps below, then open the matching CryptonicTools page. Avoid simple constant-product models are not every AMM design.

Learn what impermanent loss is, when to model it, and how CryptonicTools estimates LP divergence versus simply holding the tokens.

By Nadeem Ahmed·Co-founderUpdated 2026-09-18Methodology
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Providing liquidity can underperform holding when prices diverge. This calculator estimates that gap so fee income has a hurdle rate to beat.

Launch Impermanent Loss Calculator →

Purpose

Providing liquidity can underperform holding when prices diverge. This calculator estimates that gap so fee income has a hurdle rate to beat.

When to use it

  • Before entering a two-asset AMM pool
  • When price already moved and you want a quick IL estimate
  • To compare fee APR against expected divergence risk
  • When explaining IL to someone new to LPing

How to use it

  1. Enter the price change. Input how much the pair’s relative price moved (or your scenario).
  2. Review IL estimate. Read the percentage divergence versus holding both assets outside the pool.
  3. Compare to fees. Ask whether expected trading fees can realistically offset that IL.
  4. Decide with full risk in mind. Smart-contract risk and token volatility still apply beyond the IL number.

Benefits

  • Turns a fuzzy DeFi risk into a concrete percentage
  • Helps set a fee income hurdle before depositing
  • Educational default for AMM newcomers
  • Works offline as pure math after load

Pitfalls to avoid

  • Simple constant-product models are not every AMM design
  • Concentrated liquidity (Uniswap v3 style) needs different tools
  • Fees earned are not simulated unless you add them yourself
  • IL can become permanent if you exit after divergence
  • Rebalancing spot sleeves is not the same as LP IL

What impermanent loss measures

Impermanent loss compares the value of LP tokens to simply holding the same assets. When relative prices move, rebalancing inside the pool can leave you with less total value than HODLing — unless fees make up the difference. The loss is “impermanent” only while you stay in; exiting crystallizes it.

CryptonicTools focuses on a clear educational estimate so you can talk about IL without a spreadsheet.

Benefits and limits for LP decisions

Use the number as a hurdle: if your fee APR cannot plausibly cover expected divergence, the LP may be entertainment, not edge. Stable-stable pools usually show less IL; volatile pairs need higher fees or shorter horizons.

Pair this guide with APR→APY and staking tools when the farm quotes emissions in a third token. Emissions can dominate short-term returns and disappear later.

When to use IL vs rebalance (spot)

IL is for AMM liquidity positions. Spot rebalance is for wallet weights drifting from targets. Do not use IL math to justify weekly spot trims — and do not use spot rebalance to estimate Uniswap v3 concentrated ranges.

Worked example: a 2× relative price move on a classic 50/50 constant-product pool shows material IL vs HODL — fees must work hard to offset it on volatile pairs.

Common mistakes

Applying constant-product IL to concentrated liquidity; ignoring that “APR” screenshots are backward-looking; exiting at maximum divergence then blaming the calculator.

Purpose on CryptonicTools

The purpose is risk literacy for DeFi users who already find calculators for profit and leverage. IL belongs in that toolkit. It is not a promise about any specific pool’s future fees or safety.

Related links

Updated 2026-09-18. Educational only — not financial advice.

Frequently asked questions

What will I learn in “How to estimate impermanent loss for LPs”?+

Learn what impermanent loss is, when to model it, and how CryptonicTools estimates LP divergence versus simply holding the tokens. You will walk through Enter the price change, Review IL estimate, Compare to fees, when the tool helps, and how to avoid common mistakes.

When does “How to estimate impermanent loss for LPs” help before I touch a protocol?+

Start here when before entering a two-asset AMM pool. Begin with “Enter the price change,” then open the free on-site tool so you can practice the same workflow without creating an account.

What insight does “How to estimate impermanent loss for LPs” unlock — and what can go wrong?+

Benefit: Turns a fuzzy DeFi risk into a concrete percentage. Pitfall: Simple constant-product models are not every AMM design. CryptonicTools is informational only — confirm fees and fills on your venue, and read the Methodology page for how rates and formulas work.

Practice in the Impermanent Loss Calculator — free, no account.

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