VolatilityFeeHook

RobinhoodRegistered

Charges a volatility-scaled fee on every swap, ranging linearly between a base rate and a max rate (1%–5.3%) based on how far the previous swap moved the price in ticks. Fees are collected as ERC-6909 claims and swept to an immutable fee wallet via a permissionless sweep() function. Only exact-input swaps are supported.

0xe74ff57821f1f7e8924650e6cde47c91c22640cc First pool 21 Aug 2026View on explorer

ALooks safeRegistered, verified, immutable

Pools

Dynamic-fee pools

Last new pool

2mo

Code size

5,075 B

What it can do

Runs code on every swap

Its code executes inside each trade in pools that use it.

Can take tokens from swaps

It can take or add tokens during a swap. Fees, burns and custom curves work this way, and so do scams.

Safety report

Automated checks, not an audit

✓Not upgradeableNo proxy pattern found: the code is fixed.

✓Listed in Uniswap’s hook registryRegistered with Uniswap Labs (a listing, not a security review).

✓Source code verifiedPublished source matches the deployed code.

iCan change swap amountsIt has a ReturnDelta permission. Normal for fees and burns, but also how fake-quote hooks steal.

?No audit linkedAutomated checks only.

Pools using this hook

2 total

PairCreatedFeePool ID

0x5fc5…d168 / 0xde72…4249 2mo 0.00% 0xcb39…3ce1 Tx ↗

0x5fc5…d168 / 0x6f80…a0e7 2mo 0.00% 0xf0c9…765d Tx ↗