Uniswap Labs Deploys Dynamic-Fee Mechanism for Stable Pairs
Uniswap Labs has launched StablePair Hook, a dynamic-fee mechanism for stable pairs on the Uniswap Protocol. This feature is designed to improve liquidity provider (LP) earnings and reduce the dominance of arbitrage bots in stablecoin trades.
The Uniswap Protocol processed over $4.6 trillion in volume, with stablecoin-to-stablecoin swaps reaching $43.4 billion in the second quarter of 2026. Stable pairs, such as USDC/USDT or WBTC/cbBTC, are among the most traded markets in DeFi.
StablePair Hook replaces static fees with dynamic ones, adjusting based on how far the pool has drifted from its true rate. Inside a tight band around the rate, the fee adjusts under every swap to quote a fixed bid/ask spread. Once the price drifts outside that band, swaps that push the price further off pay no fee.
The mechanism is designed to evolve over time and with usage, allowing pool parameters and fee logic to be upgraded through Uniswap Governance without requiring pools to migrate.