Uniswap Labs, the developers behind the decentralized trading protocol, has released “StablePair Hook,” a fresh Uniswap v4 hook built for stablecoin exchange pairs like USDC/USDT and USDC/USDG.
This release focuses on one of the biggest sectors for onchain trading. Stablecoin-to-stablecoin exchanges on Uniswap totaled $43.4 billion throughout the second quarter, exceeding the following three decentralized venues combined, according to Uniswap Labs on Thursday.
Stablecoin pairings generally trade at a steady rate, such as a 1:1 ratio for two dollar-pegged assets. Should the pricing drift from that point, arbitrageurs or automated bots can earn a profit by restoring parity. Uniswap Labs stated that the StablePair Hook allows liquidity providers to retain a larger portion of those earnings.
“StablePair Hook gives traders consistent, predictable quotes on every swap, and LPs a bigger share of the value they create,” Uniswap Labs noted.
How StablePair Hook works
The StablePair Hook substitutes a standard fixed fee with a dynamic fee that alters depending on how far the pool price deviates from its benchmark price.
When the price remains near the benchmark level, the hook modifies the fee on individual trades to preserve a steady spread between ask and bid prices.
If the price shifts outside that boundary, transactions that push it further away incur zero fees because they already supply an advantageous price to the pool, Uniswap Labs explained.
Swaps that pull the price back toward the reference level utilize a Dutch auction format. The fee begins at a high level and decreases with each new block until a trader takes it. Uniswap Labs mentioned this enables liquidity providers to secure a higher percentage of the value generated by price restoration.
The initial StablePair Hook liquidity pools are deploying on the Ethereum network featuring USDC/USDG and USDC/USDT.
Furthermore, the hook is upgradable via Uniswap governance, permitting its fee mechanism and additional settings to be modified without migrating liquidity to fresh pools.
The company stated that StablePair Hook stands as Uniswap Labs’ newest v4 hook and its premier upgradable dynamic-fee hook. This follows DualPool, which debuted in July alongside Spark’s $150 million stablecoin transfer, as well as Permissioned Pools, created alongside Superstate, Securitize, and Dowgo for restricted asset exchanges.
Customizable hooks represent a core attribute of Uniswap v4. They empower pools to incorporate tailored rules, charges, and pricing mechanics instead of depending on a single universal framework. Over $38 billion in exchange volume has passed through v4 hooks up to now, which includes $32 billion throughout the current year, based on figures from Uniswap Labs. More than 90,000 hooks have been initialized across 20 distinct networks, Uniswap confirmed.
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Originally published at https://www.theblock.co/news/defi/2026-09-10-uniswap-stablepair-hook-414160.
