Impermanent loss (IL) is one of the most misunderstood concepts in DeFi.
Many beginners deposit funds into liquidity pools, see a high APY, and assume they’re earning “free money.”

Then the market moves…
And suddenly their balance is lower than if they had simply held the tokens.

This isn’t a scam.
It’s a mathematical side-effect of how automated market makers (AMMs) work.

In this beginner’s guide, you’ll learn:

  • What impermanent loss actually is

  • Why it happens

  • When it hurts you

  • When it doesn’t

  • How yield aggregators reduce or offset IL

  • And which strategies minimize risk

By the end, you’ll understand IL well enough to choose safer DeFi strategies instead of guessing.


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What Is Impermanent Loss (IL)?

Impermanent loss occurs when you provide liquidity to an AMM (like Uniswap, SushiSwap, Curve, Raydium, etc.) and the price of the tokens moves relative to each other.

Because AMMs keep token ratios balanced, they constantly rebalance your liquidity.

When prices change, the pool automatically sells the token that is rising and buys the token that is falling.

This keeps the pool balanced —
but it means you end up owning more of the losing asset and less of the winning one.

That “loss compared to holding” is impermanent loss.

It is called impermanent because the loss disappears if prices return to their original ratio.

But in real markets…
Prices rarely return exactly to where they started.


Why IL Happens (Simple Example)

Imagine you provide liquidity to an ETH/USDC pool.

You deposit:

  • 1 ETH

  • 2000 USDC

Total value = $4,000

Now ETH doubles to $4,000.

If you simply held:

  • 1 ETH → $4,000

    • $2,000 USDC
      = $6,000

But in the pool…

Because AMMs maintain a 50/50 value ratio, the pool:

  • sells some ETH

  • buys more USDC

When you withdraw, you might end up with:

  • 0.7 ETH

  • 2800 USDC

Value = 0.7 × 4000 + 2800 = $5600

You earned fees…
But you also lost $400 compared to simply holding.

That difference = impermanent loss.


When IL Is Worst

Impermanent loss becomes significant when:

1. One token moves sharply relative to the other

Example:

  • ETH pumps 200%

  • USDC doesn’t move

High divergence = high IL.

2. You provide liquidity in volatile pairs

Like:

  • ETH/BTC

  • MEME/ETH

  • ALT/BTC

These pairs swing fast, so IL grows fast.

3. You stay in the pool for a long time while prices trend

Trending markets cause the pool to rebalance continuously.


When IL Is Small or Negligible

IL is minimal when:

1. Tokens are stable (stablecoin pairs)

Examples:

  • USDC/USDT

  • DAI/USDC

  • FRAX/USDC

These pairs barely move → very low IL.

2. You earn enough fees to offset IL

High-volume pools earn significant trading fees.

If the fees > IL → you still profit.

3. You use low-volatility assets

Blue-chip pairs like:

  • ETH/USDC

  • BTC/USDC

  • stETH/wstETH

Typically have lower IL than exotic pairs.


How to Calculate IL (Conceptually)

IL depends on price change magnitude.

Formula (simplified):

IL ≈
[
2 \times \sqrt{\frac{P_{new}}{P_{old}}} - \frac{P_{new}}{P_{old}} - 1
]

Don’t memorise it —
Just understand the intuition:

  • Small price moves → tiny IL

  • Big moves → large IL

  • Infinite divergence → IL approaches 100%


Why Yield Farming Can Still Be Profitable Despite IL

Because liquidity providers earn fees, not just token exposure.

For example:

  • Pool fee: 0.3%

  • Daily volume: $100M

  • LP share: 0.01%

Daily fees =
0.3% × 100M × 0.01%
= $3,000 per day distributed

If IL = $400
but fees = $600
→ Net profit.

This is why major pools like ETH/USDC or BTC/ETH remain profitable despite IL.


How Yield Aggregators Reduce Impermanent Loss

Yield aggregators don’t “remove” IL —
but they reduce it through strategy design and automatic optimization.

Here’s how.


Aggregators Choose Low-IL Strategies

Many safe aggregators avoid volatile LP pairs entirely.

Instead they use:

  • Stablecoin pairs

  • Liquid-staking tokens (stETH, rETH, wstETH)

  • Lending strategies

  • Single-asset vaults

  • Tokenized yield (Pendle)

These strategies:

  • avoid IL

  • rely on real yield

  • still compound automatically


Aggregators Auto-Rebalance Positions

When prices move sharply, some aggregators:

  • exit LP positions

  • move to stable assets

  • re-enter later

  • or switch to safer pools

This minimizes the time your capital is exposed to high-IL environments.


Aggregators Compound Fees Efficiently

Manual compounding wastes gas and time.

Aggregators:

  • batch transactions

  • auto-harvest

  • auto-sell rewards

  • auto-reinvest

Because compounding is faster and cheaper, fees accumulate more efficiently → IL is offset sooner.


Aggregators Use Multi-Strategy Vaults

Advanced vaults diversify risk by mixing:

  • staking

  • lending

  • LP farming

  • options

  • synthetic yield

When one strategy suffers IL, others compensate.

This reduces volatility and improves consistency.


Aggregators Avoid Risky Token Rewards

Many high-APY farms rely on inflationary rewards.

Inflationary tokens crash → IL worsens.

Good aggregators:

  • sell rewards immediately

  • convert to stablecoins

  • or reinvest into safer assets

This stabilizes returns.


Best Beginner Strategies With Minimal Impermanent Loss

If you’re new, start with strategies where IL is naturally low:

1. Liquid Staking Token Vaults (LSTs)

Examples:

  • stETH

  • rETH

  • wstETH

No IL because it’s a single asset.

Earn:

  • staking yield

  • compounding

  • sometimes protocol incentives


2. Stablecoin Vaults

USDC, DAI, USDT

IL ≈ 0
APY = fees + lending interest


3. Lending Aggregators

Aave, Compound, Morpho, Euler

No IL
Real yield from borrowers


4. Low-volatility LP pairs

ETH/USDC
BTC/USDC

IL exists but manageable
Fees often offset it


Strategies You Should Avoid as a Beginner

These pairs create high IL and unstable returns:

  • MEME/ETH

  • ALT/BTC

  • Small-cap LP tokens

  • Leverage farms

  • Farms with > 500% APY

  • Tokens with high emissions

High APY usually means:

  • high inflation

  • high selling pressure

  • high IL

  • high risk


How to Tell If a Pool Is Worth Farming (IL + Fees)

Ask two questions:

1. Is the pair volatile?

Higher volatility = higher IL risk.

2. Is volume high enough to offset IL?

If volume is low → IL dominates.
If volume is high → fees dominate.

Good farming pairs:

  • ETH/USDC

  • BTC/USDC

  • stETH/wstETH

  • Stablecoin pairs

Bad farming pairs:

  • New tokens

  • Meme coins

  • Thin liquidity

  • Low volume


How Aggregators Make IL Manageable for Beginners

Aggregators simplify everything by:

  • selecting safer pools

  • avoiding risky pairs

  • compounding automatically

  • switching strategies when risk rises

  • reducing exposure time

  • monetizing fees more efficiently

They don’t eliminate IL,
but they smooth out returns and prevent beginners from making risky manual choices.

This is why aggregators are often the best entry point for new yield farmers.


Final Thoughts: IL Isn’t a “Loss” If You Choose the Right Strategy

Impermanent loss is not a defect —
it’s a by-product of AMMs balancing liquidity.

But you can manage it by:

  • choosing low-volatility pairs

  • relying on fees + compounding

  • avoiding inflationary tokens

  • using yield aggregators

  • diversifying strategies

  • farming only on high-volume pools

For most beginners, the safest path is:

  1. LST auto-compounding (no IL)

  2. Stablecoin vaults (near zero IL)

  3. Lending strategies

  4. Blue-chip LPs (moderate IL)

  5. Only then, riskier LP farming



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About the Author: Alex Assoune


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