Uniswap targets arbitrage value with new v4 hook

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Uniswap Labs has launched StablePair Hook with two Ethereum pools after stablecoin swaps on Uniswap reached $43.4 billion during the second quarter. Summary Uniswap Labs has launched StablePair ...

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height: 30px; margin: 0; padding: 0; border-radius: 50%; float: left;}\n.head .h-content { margin: 0; padding: 0 0 0 9px; float: left;}\n.head .h-name {font-size: 13px; color: #eee; margin: 0;}\n.head .h-time {font-size: 11px; color: #7E829C; margin: 0;line-height: 11px;}\n.small {font-size: 12.5px; display: inline-block; transform: scale(0.9); -webkit-transform: scale(0.9); transform-origin: left; -webkit-transform-origin: left;}\n.smaller {font-size: 12.5px; display: inline-block; transform: scale(0.8); -webkit-transform: scale(0.8); transform-origin: left; -webkit-transform-origin: left;}\n.bt-text {font-size: 12px;margin: 1.5em 0 0 0}\n.bt-text p {margin: 0}\n</style>\n</head>\n<body>\n<div class=\"wrapper\">\n<header>\n<h2 class=\"title\">\nUniswap targets arbitrage value with new v4 hook\n</h2>\n\n<h4 class=\"meta\">\n\n\n2026-09-11 13:45 GMT+8&nbsp;&nbsp;&nbsp;<a href=https://crypto.news/uniswap-targets-arbitrage-value-with-new-v4-hook/><strong>cryptonews</strong></a>\n\n\n</h4>\n\n</header>\n<article>\n<div>\n<p>Uniswap Labs has launched StablePair Hook with two Ethereum pools after stablecoin swaps on Uniswap reached $43.4 billion during the second quarter.\n\n\nSummary\n\n\n\nUniswap Labs has launched StablePair ...</p>\n\n<a href=\"https://crypto.news/uniswap-targets-arbitrage-value-with-new-v4-hook/\">Source Link</a>\n\n</div>\n\n\n</article>\n</div>\n</body>\n</html>\n","isBrief":false,"type":0,"news_type":1,"symbol":null,"symbol_name":null,"start_time":0,"source_url":"https://crypto.news/uniswap-targets-arbitrage-value-with-new-v4-hook/","article_id":"2666054524","we_media_id":null,"thumbnails":[],"rights":{"source":"crypto_news_highlight","url":"https://crypto.news/uniswap-targets-arbitrage-value-with-new-v4-hook/","rn_cache_url":null,"directOrigin":true},"url":"https://stock-news.laohu8.com/highlight/detail?id=2666054524","pubTimestamp":1789105527,"columns":[],"sourceInfo":{"source_id":"crypto_news_highlight","name":"Crypto News"},"weMediaInfo":null,"summary":"Uniswap Labs has launched StablePair Hook with two Ethereum pools after stablecoin swaps on Uniswap reached $43.4 billion during the second quarter.Uniswap Labs has launched StablePair Hook with USDC/USDT and USDC/USDG pools on Ethereum mainnet initially.The hook calculates liquidity provider fees from price distance and each swap’s trading direction automatically.Corrective swaps outside the configured band face fees that decline with every new block thereafter.OpenZeppelin found one high-severity issue during review and Uniswap says the flaw was fixed later.Governance can update fee settings and implementation code without requiring liquidity providers to migrate pools.Uniswap Labs said on Sept. 10 that the Uniswap v4 tool replaces a static liquidity provider fee with a fee calculated for every swap. The first pools pair USDC with USDT and Global Dollar, or USDG.The company says the mechanism gives liquidity providers a larger share of the value generated when traders correct price d","collect":0,"end_time":0,"defaultTopTitle":"crypto.news","property":[],"viewcount":null,"language":"en","relate_stocks":{},"translate_title":"Uniswap 通过新的 v4 挂钩瞄准套利价值","themeId":null,"isJumpTheme":false,"ttsUrl":"https://static.tigerbbs.com/cb14fdf6180311c8b3778aae9d4aa970","symbols_score_info":{"ICRC":0.6,"CCUP":0.6,"CRCG":0.6,"SETH":0.6,"CRCD":0.6,"ETQ":0.6,"IBLC":0.6,"ETHI":0.6,"CRCA":0.6,"BLCK":0.6,"ESK":0.6,"TETH":0.6,"CIR":0.6,"ETCO":0.6,"CRCL":0.81,"CRCO":0.6},"content_text":"Uniswap Labs has launched StablePair Hook with two Ethereum pools after stablecoin swaps on Uniswap reached $43.4 billion during the second quarter.\n\n\nSummary\n\n\n\nUniswap Labs has launched StablePair Hook with USDC/USDT and USDC/USDG pools on Ethereum mainnet initially.\nThe hook calculates liquidity provider fees from price distance and each swap’s trading direction automatically.\nCorrective swaps outside the configured band face fees that decline with every new block thereafter.\nOpenZeppelin found one high-severity issue during review and Uniswap says the flaw was fixed later.\nGovernance can update fee settings and implementation code without requiring liquidity providers to migrate pools.\n\n\n\nUniswap Labs said on Sept. 10 that the Uniswap v4 tool replaces a static liquidity provider fee with a fee calculated for every swap. The first pools pair USDC with USDT and Global Dollar, or USDG.\nBoth pools use a reference rate of 1:1. The system measures how far the pool price has moved from that rate and whether a proposed transaction pushes the price closer to or farther from it.\nThe company says the mechanism gives liquidity providers a larger share of the value generated when traders correct price differences. StablePair Hook does not guarantee better returns, since results still depend on trading activity, liquidity depth, asset prices and the parameters approved for each pool.\nStablePair Hook changes fees with pool conditions\nStablecoin pools usually contain assets designed to maintain the same dollar value. Market activity can still move a pool away from parity, creating an opportunity for arbitrageurs to trade against the price difference.\n\nStablePair Hook is now live on UniswapWhen a stable pair drifts off its rate, there's value in correcting itStatic fees hand that value to arbitrage bots, StablePair's fee scales with the drift and hands it to LPs insteadVolatility that used to cost LPs now pays them pic.twitter.com/z3q0unlWcU— Uniswap (@Uniswap) September 10, 2026\n\nWith a fixed fee, Uniswap Labs says pool operators face a trade-off. A low fee may allow arbitrage bots to retain more of the available price difference, while a high fee may discourage ordinary transactions.\nStablePair Hook changes the fee according to the pool’s position relative to a configured reference price. Inside a narrow band around that price, the mechanism adjusts fees to maintain a fixed spread between quoted buying and selling prices.\nOnce the pool leaves the band, the treatment depends on the direction of the next swap. A transaction that moves the pool farther from the reference rate pays no liquidity provider fee because it gives the pool what Uniswap describes as a favorable price.\nA swap bringing the pool back toward parity enters a Dutch auction. Its fee begins at a high level and falls with each Ethereum block until a trader accepts the available price.\n“LPs keep the difference,” Uniswap Labs said when describing the auction system. The statement expresses the developer’s expected outcome for liquidity providers, not a guaranteed level of fee income.\nTwo Uniswap stablecoin pools are operating on Ethereum\nUniswap’s public code repository records the USDC/USDT and USDC/USDG pools as initialized on Ethereum on Sept. 10. Both use the dynamic-fee flag and a tick spacing of one.\nThe USDC/USDT pool has an onchain identifier ending in e39f634, while the USDC/USDG pool identifier ends in b7edb. Uniswap’s developer materials advise applications to derive pool identifiers from their pool keys instead of hard-coding them.\nAt the contract level, StablePair Hook operates through an ERC-1967 proxy. Its permanent Ethereum hook address encodes the permissions available to the contract, while governance can replace the implementation behind the proxy.\nPool fee configurations and future implementation upgrades are controlled by the Uniswap Governance Timelock, according to the project’s repository. A separate Uniswap Labs multisignature wallet can create pools and assign their initial fee parameters but cannot upgrade the contract or modify existing configurations.\nStablePair pools cannot be created permissionlessly. Uniswap Labs controls their initial creation, distinguishing the product from v4 pools that any user can initialize without prior approval.\nThe launch extends Uniswap v4’s use of custom hooks, which attach external contracts to pools and change their behavior at defined points in a transaction. Hooks can control fees, pricing logic and access rules without changing the v4 core contracts.\nIn related coverage, Uniswap v4 became the largest DeFi venue for tokenized-stock deposits after its measured total reached $59.1 million in early September. StablePair Hook applies the same customizable pool architecture to assets expected to trade near an established exchange rate.\nAn OpenZeppelin review found and fixed a fee issue\nOpenZeppelin reviewed the core StablePair fee mechanism from Feb. 9 through Feb. 13, according to Uniswap’s security documentation. The assessment covered a non-upgradeable predecessor that uses the same main fee calculations.\nDuring the review, OpenZeppelin identified one high-severity issue involving corrective swaps. A trader could obtain a cheaper combined price by dividing one corrective transaction into several smaller swaps.\nUniswap says it addressed the finding by caching the pool price once per block. Every swap within the same block uses the cached starting price when calculating its fee, removing the fee advantage previously available from splitting a transaction.\nThe review did not cover the current upgrade system or its role structure because those components were introduced later. Uniswap’s published security page identifies the scope difference, meaning the cited audit should not be treated as a full assessment of every component in the live version.\nPrice caching creates two documented limitations. Later swaps during a busy block may use a starting price that no longer matches the pool’s latest price, while a swap crossing the reference rate can invert fee directions for the rest of the block.\nUniswap says both conditions last for one block and correct themselves when the next cached price is recorded. The documentation states that removing either limitation would restore the transaction-splitting opportunity addressed after the OpenZeppelin review.\nGovernance controls future StablePair Hook upgrades\nUniswap Governance can modify pool fee settings and replace the hook’s implementation without moving liquidity into a different pool. A configuration change resets the fee-decay process, causing the following swap to use a fresh pool-price reading.\nPermissions embedded in the permanent hook address limit what an upgrade can do. Uniswap says the contract cannot prevent liquidity providers from withdrawing assets or change swap amounts to collect unapproved fees because the required callback permissions are disabled.\nQuote calculations carry separate limits. The hook’s getFee function returns the current liquidity provider fee using the same start-of-block price that the next transaction will receive. It excludes protocol fees, ignores the size of the trade and does not calculate the price effect caused by moving through available liquidity.\nLarge trades may therefore execute at a different average price from the initial quote. The difference depends on the depth and distribution of liquidity in the pool, according to the project’s technical documentation.\nStablePair Hook joins other custom tools developed for Uniswap v4, including DualPool, LitePSM and Permissioned Pools. As previously reported, Uniswap’s work on correlated tokenized-asset pools processed $33 million across 10 stock-to-SPY markets during their first 12 days.\nUniswap Labs has released the hook’s contracts and tests through its public GitHub repository under an MIT license. Its developer documentation lists the mainnet proxy address, current implementation address, two pool identifiers and a security contact for reporting contract issues.\n\n\n\n\n\n                Read more:\n            \n\n                Clarity Act adds new DeFi rules before Senate vote","kind":"highlight","is_publish_news":true,"is_publish_highlight":false,"is_publish_live":false,"is_publish_wemedia":false,"editions":null,"column":"","sentiment":"0","news_tag":"","news_rank":0,"isVideo":false,"video":null,"symbols":[],"gpt_button":0,"need_auth":false,"need_login_tip":false,"code":"91000000","status":"200"}}}