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Impermanent loss

The value shortfall of certain liquidity-provider positions relative to holding the original assets after relative prices change.

A concrete example

In an ideal equal-value constant-product pool, a doubling of relative price creates about 5.72% divergence before fees.

In context

For an idealised equal-value, full-range constant-product pool without fees, the relative value is 2 × sqrt(r) / (1 + r), where r is the price ratio change. If one asset doubles relative to the other, the pool position is about 94.28% of the hold strategy: a 5.72% shortfall before fees.

The related mechanism, visually

SEE THE CONNECTIONS
Compare providing liquidity with simply holdingFour connected ideas
  1. 01Same starting assets
  2. 02Relative price changes
  3. 03Pool rebalances quantities
  4. 04Compare with holding

Read these as connected concepts, not necessarily consecutive steps.

Read the explanation

Divergence loss compares the pool position with holding the same initial assets outside the pool. In a fee-free 50/50 constant-product model, arbitrage changes the quantities held as the relative price moves. The provider ends up with less of the asset that appreciated and more of the other asset.

Explore the full explanation

DeFi

Impermanent loss with a worked example

Impermanent loss measures how a liquidity-provider position differs from simply holding its initial assets as relative prices change.

Intermediate4 min reading + workshop ↗

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Sources and references

References for the mechanisms described. Numerical examples are hypothetical unless stated otherwise. Check the applicable version, network and jurisdiction.

References reviewed on 21 September 2026. All sources →