Concentrated Liquidity
Understand concentrated liquidity, price ranges, capital efficiency, out-of-range positions, fee concentration and the active-management risks for LPs.
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Concentrated liquidity lets an LP allocate capital to a chosen price range instead of providing inventory across the full theoretical price curve. This can increase capital efficiency but makes the position more path-dependent and management-intensive.
Learning objectives
- Explain why concentrating liquidity can improve capital efficiency.
- Describe what happens when market price leaves an LP’s chosen range.
- Compare narrow-range fee potential with inventory and rebalancing risk.
What it is
In full-range constant-product liquidity, capital is distributed across an extremely wide set of prices, much of which may never be used. Concentrated designs let LPs choose a lower and upper bound so more of their capital is available near the current market price.
The trade-off is that the LP position changes composition as price moves. At one side of the range the position becomes mostly or entirely one token; at the other side it becomes mostly or entirely the other. Once outside the range, the position usually stops earning swap fees until price re-enters or the LP repositions.
How it works
A narrow range around the current price can provide much more depth than the same capital placed full-range. Traders benefit from lower price impact while the position is active, and the LP can earn a larger share of fees relative to capital.
However, the LP is effectively making a range view. If price trends beyond the range, fee generation stops and the LP can be left holding the asset that underperformed during the move.
Rebalancing is not free. It can require gas, incur slippage, realise gains or losses, and expose the LP to timing risk. Automated managers can reduce manual work but add another smart-contract and strategy layer.
Fee APR is therefore endogenous. It depends on trading volume, range width, how much competing liquidity is in the same range and the proportion of time the position remains active.
How to analyse it
Analyse concentrated liquidity as an active inventory strategy, not a passive savings product. The chosen range is a risk decision.
| Check | Why it matters | What to verify |
|---|---|---|
| Range width | Narrow ranges concentrate fee earning but increase out-of-range risk. | Compare range width with historical and implied volatility. |
| Competing liquidity | Fee share depends on other LPs in the same ticks/range. | Inspect active liquidity distribution, not only pool TVL. |
| Rebalancing cost | Frequent repositioning can erode gross fees. | Include gas, slippage and execution cost. |
| Token path risk | Trending markets change inventory aggressively. | Stress one-way moves beyond both range boundaries. |
Backtests should include realistic rebalancing rules and costs. Perfectly repositioning around every market move overstates achievable returns.
For volatile pairs, consider whether the LP is willing to own either token at the range boundaries. If not, the position is structurally mis-sized or the pair is unsuitable.
Worked example and thought exercise
Suppose an LP sets a range of £90–£110 around a token trading at £100. While price remains inside, the position can earn concentrated fees. If price rises through £110, the LP may end up predominantly in the quote asset and stop earning fees.
Re-entering around £120 means buying back into a higher market or otherwise resetting inventory, so “just recentre the range” is not a free operation.
Thought exercise: why might a narrower range show a higher advertised APR but a lower realised return over a strongly trending month?
Common mistakes and practical workflow
- Choosing ranges solely from advertised APR.
- Ignoring the one-asset end state outside the range.
- Backtesting without gas, slippage or realistic rebalancing delays.
- Assuming high pool TVL means your chosen range has little competition.
Practical workflow
- Define acceptable lower and upper inventory outcomes.
- Choose a range using volatility and market regime, not APR alone.
- Measure active competing liquidity inside the range.
- Set explicit rebalancing triggers and cost limits.
- Stress a gap or trend that moves price far beyond the range.
✅ Knowledge checkpoint
- Why does a narrow range increase capital efficiency?
- What happens to fee earning when price leaves the range?
- Why is recentring a position economically meaningful rather than a neutral reset?
- Which data matter more than total pool TVL for a concentrated LP?
FAQs
❓ Do concentrated LPs always earn more?
No. They can earn more per unit of active capital, but out-of-range time and rebalancing costs can reduce realised returns.
❓ What happens outside the range?
The position generally becomes inactive for swaps and is concentrated toward one of the two assets.
❓ Is concentrated liquidity passive?
It can be managed passively with a wide range, but narrower strategies usually require more monitoring and rebalancing.
❓ Can managers automate the range?
Yes, but automation adds strategy, contract, fee and governance dependencies.
📋 Summary
Concentrated liquidity improves capital efficiency by focusing inventory near selected prices. The price range is also an exposure rule: narrow ranges can increase fee density but create more out-of-range, inventory and rebalancing risk.
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