
Citation: Roman V. et al., The Impact of Exchange Fees on Impermanent Loss, Journal of the British Blockchain Association, May 2025.
1. Why This Matters
APR banners scream “800 % yield,” yet liquidity providers keep under-performing a simple HODL. A new peer-reviewed study puts hard numbers behind the intuition: fees rarely offset impermanent loss (IL) once price volatility crosses a modest threshold. If you’re farming without hedging, this paper is required reading.
2. Data & Method

The authors rebuilt every position block-by-block, subtracting trade fees gained and IL incurred, then benchmarked against a hold-only wallet.
3. Core Results

Headline: At the popular 0.3 % fee tier, a majority (55 %) of pools still lose money versus a passive HODL. Drop to 0.1 % and over 70 % of positions bleed.
4. Why APR Banners Mislead
APR assumes zero price drift. IL grows quadratically with divergence; fees grow only linearly with volume.
Fee revenue doesn’t scale with volatility. High volatility can crush LPs even as volumes spike—traders arbitrage, LPs pay the bill.
TVL growth dilutes share-of-fees. When mercenary capital piles in, your cut shrinks immediately.
5. Practical Takeaways
Stable-pair pools aren’t safe. A 0.5 % peg wobble erased the fee cushion in 63 % of “stable-stable” positions.
Concentrated liquidity ≠ protection. Walk outside your tick band and IL doubles while fees drop to zero.
Dynamic-fee AMMs help (~18 % IL reduction). TraderJoe v2’s fee-elastic design cushioned IL by charging more during volatile spikes.
Hedged LPs outperform 2-to-1. LP + short-option overlay flipped the median PnL from –4.8 % to +5.3 %.
6. Quick IL Sanity Check
Rule-of-thumb:
,
odds are you’ll under-perform HODL.
Example: 1 % daily σ × √30 ≈ 5.5 %. If you’re in a 0.3 % fee pool, run.
7. Action Items for LPs
Model IL before depositing. Tools: Dune dashboards, DeFiLlama’s IL simulator.
Prefer dynamic-fee or range-order AMMs. Higher fees during chaos = free hedge.
Hedge with options or perps. A 1-month ETH put can cap IL far cheaper than losses.
Rebalance aggressively. Static positions die; active managers captured 12 % higher net yield in the study.
8. TL;DR
Liquidity ≠ free yield. Without hedging or volatility-neutral pools, most LPs subsidise traders. APR is marketing theatre.
Next up: A hands-on guide to hedging IL with options and tight ranges. Smash the 🔔 in Alpha Chat if you want it dropped next week.
