A temporary loss of funds experienced by liquidity providers due to price volatility in a trading pair.
Impermanent Loss is the temporary reduction in value experienced by liquidity providers when the price of tokens in a liquidity pool diverges from their original value. It occurs in automated market maker (AMM) platforms like Uniswap or PancakeSwap.
The loss is called “impermanent” because it may disappear if prices return to their original ratio.
Why Impermanent Loss Happens
When liquidity is deposited into an AMM pool:
The protocol automatically adjusts token ratios as traders swap
If one token increases or decreases in price relative to the other
The pool becomes imbalanced
The provider ends up holding more of the underperforming token
This often results in less value compared to simply holding the tokens separately.
When Impermanent Loss Matters Most
During periods of high volatility
When tokens in the pair have weak correlation
In large price swings (both upward and downward)
Highly correlated assets (e.g., stablecoin pairs) have minimal impermanent loss.
Can Impermanent Loss Be Offset?
Trading fees can compensate for IL in high-volume pools
Incentive rewards may offset losses temporarily
Stable pairs significantly reduce IL risk
However, for volatile tokens, IL can outweigh fees.
Summary
Impermanent Loss occurs when price changes in a liquidity pool cause a liquidity provider’s position to be worth less than simply holding the assets. It's a key risk in AMM-based DeFi.
