{"id":"hip-4","hidden":false,"ipfs":"Qmc1XtZKUVFJxeBVZcXbfxcZM676qm31KzUAEd4mDp32hE","language":"en","transactionHash":"0xf95aafb79421fe312b0a76169f7aab93a0e17fe367dec326f10e03c21351a385","created":"2026-02-02T16:47:50.195Z","updated":"2026-05-03T21:48:56.000Z","title":"HIP-4","summary":"HIP-4 is a Hyperliquid Improvement Proposal that introduces fully collateralized outcome markets for prediction markets and options-like instruments on HyperCore, alongside an earlier 2025 Event Perpetuals proposal that remained unimplemented.","content":"**Hyperliquid Improvement Proposal 4 (HIP-4)** is the designation used for two distinct proposals aimed at expanding the trading capabilities of the [Hyperliquid](https://iq.wiki/wiki/hyperliquid) decentralized exchange. The most recent proposal, announced by the [Hyperliquid](https://iq.wiki/wiki/hyperliquid) team on February 2, 2026, introduced \"[Outcome](https://iq.wiki/wiki/outcome) Trading\" through a new primitive called \"Outcome Contracts\" (also referred to as outcome markets) to enable prediction markets and options-like instruments, and has since been implemented on [mainnet](https://iq.wiki/wiki/mainnet) as live binary outcome markets on [HyperCore](https://iq.wiki/wiki/hypercore).[\\[1\\]](#cite-id-J91Ikrid39InBhls)​[\\[2\\]](#cite-id-YARRDOOv4CIZe3v7)​[\\[7\\]](#cite-id-f50tusnn47)​[\\[6\\]](#cite-id-iR1jC57v3TKtA8tc) HIP-4 Outcome Trading now functions both as an improvement proposal and as an on-chain primitive in production. An earlier proposal from September 2025, also named HIP-4, was submitted by third-party contributors and focused on a product called \"Event Perpetuals\" to solve challenges related to deploying prediction markets on the platform.[\\[3\\]](#cite-id-TlCqLFJZob2QznvP)​[\\[4\\]](#cite-id-mGLEi9nMX7yTyERb)​\n\n## HIP-4: Outcome Trading (February 2026 Proposal)\n\nOn February 2, 2026, the [Hyperliquid](https://iq.wiki/wiki/hyperliquid) team announced its own version of HIP-4, introducing a new primitive called \"Outcome Trading\" (or outcome markets) to the protocol.[\\[2\\]](#cite-id-YARRDOOv4CIZe3v7) This improvement proposal aims to support a wider range of financial products beyond the platform's core offering of perpetual futures. The development was initiated in response to what the team described as \"extensive user demand\" for both prediction markets and options-style derivatives.[\\[1\\]](#cite-id-J91Ikrid39InBhls) Following testing and staged deployment, HIP-4 outcome markets went live on [HyperCore](https://iq.wiki/wiki/hypercore) with curated canonical markets, including recurring BTC binary contracts and other short-term crypto price binaries.[\\[7\\]](#cite-id-f50tusnn47)​[\\[6\\]](#cite-id-iR1jC57v3TKtA8tc)​\n\n### Key Features and Technology\n\nThe core of this proposal is the \"Outcome Contract,\" a new general-purpose primitive designed to be built on [Hyperliquid](https://iq.wiki/wiki/hyperliquid)'s core infrastructure, [HyperCore](https://iq.wiki/wiki/hypercore).[\\[2\\]](#cite-id-YARRDOOv4CIZe3v7)​[\\[7\\]](#cite-id-f50tusnn47)​\n\nKey characteristics of Outcome Contracts include:\n\n* **Full Collateralization:** Unlike leveraged perpetuals, these contracts are fully collateralized, meaning the maximum potential loss is the capital committed upfront. This design completely removes the risk of [liquidations](https://iq.wiki/wiki/liquidation) for traders of these instruments.[\\[1\\]](#cite-id-J91Ikrid39InBhls)[\\[7\\]](#cite-id-f50tusnn47)\n* **Fixed Settlement Range:** Each contract settles at a fixed price within a predetermined range, making them suitable for binary or bounded outcomes.[\\[2\\]](#cite-id-YARRDOOv4CIZe3v7)[\\[7\\]](#cite-id-f50tusnn47)\n* **Dated Markets:** The proposal introduces contracts with specific expiration dates, a feature distinct from the platform's existing perpetual offerings.[\\[1\\]](#cite-id-J91Ikrid39InBhls)\n* **Non-Linear Payoffs:** Outcome Contracts allow for more complex profit-and-loss structures compared to the linear payoffs of perpetual futures.[\\[1\\]](#cite-id-J91Ikrid39InBhls)\n* **Compositionality:** The primitive is designed to be compatible with other [Hyperliquid](https://iq.wiki/wiki/hyperliquid) features, such as portfolio margin and the HyperEVM, allowing developers to build novel applications.[\\[2\\]](#cite-id-YARRDOOv4CIZe3v7)[\\[7\\]](#cite-id-f50tusnn47)\n* **Merged Yes/No Liquidity:** Each outcome market has two token sides, often labeled Yes and No, whose order books are merged so that liquidity is shared, even though users interact with separate Yes and No tokens.[\\[7\\]](#cite-id-f50tusnn47)\n\nThe primary initial applications for Outcome Contracts are prediction markets and bounded, options-like derivatives. The canonical markets are planned to be denominated in [USDH](https://iq.wiki/wiki/usdh).[\\[2\\]](#cite-id-YARRDOOv4CIZe3v7) The first live market under HIP-4 is a recurring BTC binary that settles daily at 06:00 UTC to the BTC mark price on [HyperCore](https://iq.wiki/wiki/hypercore), while multi-outcome markets and additional features are planned for staged rollouts.[\\[7\\]](#cite-id-f50tusnn47)​\n\n### Proposed Implementation Roadmap\n\nThe rollout of [Outcome](https://iq.wiki/wiki/outcome) Trading was planned in multiple phases to ensure stability and incorporate community feedback.[\\[1\\]](#cite-id-J91Ikrid39InBhls) As of the announcement on February 2, 2026, the feature was actively being developed and tested on the [Hyperliquid](https://iq.wiki/wiki/hyperliquid) [testnet](https://iq.wiki/wiki/testnet).[\\[2\\]](#cite-id-YARRDOOv4CIZe3v7) After testing, HIP-4 was approved and activated through [Hyperliquid](https://iq.wiki/wiki/hyperliquid)’s validator-governed network upgrade process rather than a separate token-holder vote, in line with how other HIPs are rolled out.[\\[10\\]](#cite-id-358nssdytw)​\n\nThe originally planned phases were:\n\n1. **Phase 1:** [**Testnet**](https://iq.wiki/wiki/testnet) **Launch:** Initial deployment on a [testnet](https://iq.wiki/wiki/testnet) for final technical development and testing.\n2. **Phase 2:** [**Mainnet**](https://iq.wiki/wiki/mainnet) **Launch with Curated Markets:** Following a successful testnet phase, the feature would launch on the [mainnet](https://iq.wiki/wiki/mainnet) with a limited set of markets curated by the [Hyperliquid](https://iq.wiki/wiki/hyperliquid) team and settled using objective data sources.[\\[1\\]](#cite-id-J91Ikrid39InBhls)[\\[2\\]](#cite-id-YARRDOOv4CIZe3v7)\n3. **Phase 3: Potential Permissionless Listing:** Depending on the success of the initial phases, the infrastructure might be opened up for permissionless deployment, allowing users to create their own outcome-based markets under a model similar to [Hyperliquid](https://iq.wiki/wiki/hyperliquid)'s permissionless perpetual markets, which require [staking](https://iq.wiki/wiki/staking) 500,000 HYPE tokens.[\\[1\\]](#cite-id-J91Ikrid39InBhls)\n\nBy May 2, 2026, HIP-4 binary outcome markets had progressed beyond testing, with Phase 1 and Phase 2 completed and curated canonical markets live on mainnet, including a daily BTC binary that settles to the BTC mark price on [HyperCore](https://iq.wiki/wiki/hypercore) and additional short-term crypto price binaries.[\\[7\\]](#cite-id-f50tusnn47)​[\\[6\\]](#cite-id-iR1jC57v3TKtA8tc) Permissionless listing of outcome markets remains a possible future phase, contingent on user feedback and governance decisions.[\\[1\\]](#cite-id-J91Ikrid39InBhls)​\n\n### Launch and Exchange Support\n\n​[Bitget](https://iq.wiki/wiki/bitget) reported on May 2, 2026, that [Hyperliquid](https://iq.wiki/wiki/hyperliquid) had launched live binary outcome markets under HIP-4 on [mainnet](https://iq.wiki/wiki/mainnet), positioning them as rivals to existing prediction platforms such as [Polymarket](https://iq.wiki/wiki/polymarket) and [Kalshi](https://iq.wiki/wiki/kalshi). The report characterized the new markets as binary/outcome-based instruments designed to broaden [Hyperliquid](https://iq.wiki/wiki/hyperliquid)’s product set, with trades executed on an on-chain CLOB, fully collateralized payoffs that settle to 0 in [USDH](https://iq.wiki/wiki/usdh), and a zero-fee-to-open model.[\\[6\\]](#cite-id-iR1jC57v3TKtA8tc) [Bitget](https://iq.wiki/wiki/bitget) also noted a \\~15-minute opening auction for new markets and that builders must stake 1,000,000 HYPE to deploy markets. [Bitget](https://iq.wiki/wiki/bitget) did not state that it was listing or offering direct trading access on [Bitget](https://iq.wiki/wiki/bitget) Exchange; the article served as news coverage and pointed users to [Hyperliquid](https://iq.wiki/wiki/hyperliquid)’s app for access.[\\[6\\]](#cite-id-iR1jC57v3TKtA8tc)​\n\nIn comparing HIP-4 to [Polymarket](https://iq.wiki/wiki/polymarket) and [Kalshi](https://iq.wiki/wiki/kalshi), [Bitget](https://iq.wiki/wiki/bitget) highlighted that [Hyperliquid](https://iq.wiki/wiki/hyperliquid)’s outcome markets use a fully on-chain central limit order book, share margin with other products in a unified account, and charge zero fees to open positions, whereas [Polymarket](https://iq.wiki/wiki/polymarket) relies on automated market makers and [Kalshi](https://iq.wiki/wiki/kalshi) operates as a regulated prediction exchange with a different fee and account structure.[\\[6\\]](#cite-id-iR1jC57v3TKtA8tc)​[\\[8\\]](#cite-id-a2dvxixj7v)​\n\n### Native Oracles and Canonical Markets\n\nHIP-4 outcome markets form part of a broader shift by [Hyperliquid](https://iq.wiki/wiki/hyperliquid) toward native validator-run oracles and curated canonical markets. Early [mainnet](https://iq.wiki/wiki/mainnet) deployments focused on crypto price binaries, such as daily BTC outcome contracts that settle to on-chain mark prices, and subsequently expanded to macro outcomes including markets on Federal [Reserve](https://iq.wiki/wiki/reserve) rate decisions and inflation-related indicators.[\\[7\\]](#cite-id-f50tusnn47)​[\\[9\\]](#cite-id-6td7a4z44a)​[\\[8\\]](#cite-id-a2dvxixj7v) These canonical markets are curated by the core team and [validators](https://iq.wiki/wiki/validator), who select questions and maintain native oracle feeds, with a stated roadmap toward enabling third-party builders and [validators](https://iq.wiki/wiki/validator) to introduce additional outcome pairs under this oracle framework.[\\[9\\]](#cite-id-6td7a4z44a)​[\\[8\\]](#cite-id-a2dvxixj7v)​\n\n## Previous HIP-4 Proposal: Event Perpetuals (September 2025)\n\nPrior to the team's official 2026 announcement, another proposal also designated HIP-4 was introduced on September 16, 2025.[\\[4\\]](#cite-id-mGLEi9nMX7yTyERb) Titled \"HIP-4: Event Perpetuals,\" this proposal was authored by four contributors, including [John Wang](https://iq.wiki/wiki/john-wang), the Head of Crypto at the CFTC-regulated prediction market [Kalshi](https://iq.wiki/wiki/kalshi), and the research entity Bedlam Research.[\\[3\\]](#cite-id-TlCqLFJZob2QznvP)​[\\[4\\]](#cite-id-mGLEi9nMX7yTyERb) The Event Perpetuals design was debated but not adopted on [mainnet](https://iq.wiki/wiki/mainnet), and the concept was effectively superseded by the core team’s later 2026 HIP-4 Outcome Trading implementation.[\\[10\\]](#cite-id-358nssdytw)​\n\n### Rationale and Problem Addressed\n\nThis version of HIP-4 was created as an extension of HIP-3, which had enabled builders to deploy their own perpetuals markets. The authors identified that HIP-3's mechanics were unsuitable for binary outcome prediction markets. The key limitations were:[\\[4\\]](#cite-id-mGLEi9nMX7yTyERb)​\n\n* **Slow Price Adjustment:** The existing infrastructure restricted price changes to 1% per tick, making it too slow to settle a market to a definitive 0 or 1 outcome. This \"asymmetric resolution problem\" could take nearly an hour for a market to decay to zero.\n* [**Arbitrage**](https://iq.wiki/wiki/arbitrage) **Vulnerabilities:** The slow settlement time created significant [arbitrage](https://iq.wiki/wiki/arbitrage) opportunities for traders who had information about a resolved event before the market price could catch up.\n* [**Oracle**](https://iq.wiki/wiki/oracle) **Dependency:** The system's reliance on a continuous oracle price feed was not practical for events that resolve instantaneously, such as the outcome of a sports game or an election.[\\[3\\]](#cite-id-TlCqLFJZob2QznvP)\n\n### Technical Design of Event Perpetuals\n\nTo solve these issues, the proposal introduced \"Event Perpetuals,\" a specialized derivative designed for binary prediction markets.[\\[4\\]](#cite-id-mGLEi9nMX7yTyERb)​\n\n#### Market Launch\n\nA key innovation was a 15-minute opening auction to establish an initial market price. The system would algorithmically determine a single clearing price that maximized trading volume, minimized the buy/sell imbalance, and, as a final tie-breaker, was closest to 0.50. All initial orders would execute at this single price before the market transitioned to continuous trading.[\\[4\\]](#cite-id-mGLEi9nMX7yTyERb)​\n\n#### Trading and Settlement\n\n* **Oracle-Free Trading:** After the opening auction, trading would occur freely on the order book without a continuous oracle feed, with prices representing the market-implied probability of the event.[\\[3\\]](#cite-id-TlCqLFJZob2QznvP)\n* **No Funding Rate:** Unlike standard perpetuals, these markets would not have a funding mechanism.[\\[4\\]](#cite-id-mGLEi9nMX7yTyERb)\n* **Binary Settlement:** Upon the event's conclusion, a resolution oracle would post the final outcome (0 or 1), trading would be halted, and all positions would be settled instantly. The proposal included an optional dispute window before final settlement.[\\[3\\]](#cite-id-TlCqLFJZob2QznvP)\n* **Margin:** The proposal specified 1x isolated margin, requiring traders to fully collateralize their positions based on their maximum potential loss.[\\[4\\]](#cite-id-mGLEi9nMX7yTyERb)\n\n### Deployment and Governance Requirements\n\nUnder this proposal, builders could deploy their own Event Perpetual markets by [staking](https://iq.wiki/wiki/staking) **1,000,000 HYPE** tokens.[\\[3\\]](#cite-id-TlCqLFJZob2QznvP) Builders would be responsible for defining the event terms and resolution criteria and would be granted the ability to set and collect additional [trading fees](https://iq.wiki/wiki/trading-fee) of up to 50% on their deployed markets.[\\[3\\]](#cite-id-TlCqLFJZob2QznvP)​[\\[4\\]](#cite-id-mGLEi9nMX7yTyERb)​\n\n## Underlying Technology: HyperCore\n\nBoth HIP-4 proposals are designed to be implemented on **[HyperCore](https://iq.wiki/wiki/hypercore)**, the specialized [Layer 1](https://iq.wiki/wiki/layer-1) [blockchain](https://iq.wiki/wiki/blockchain) that powers the [Hyperliquid](https://iq.wiki/wiki/hyperliquid) exchange.[[5]](#cite-id-JAy8wG7nSYJoLKHl) [HyperCore](https://iq.wiki/wiki/hypercore) is designed for high-performance decentralized finance, with its state split between the core matching engine and a general-purpose, EVM-compatible environment known as the HyperEVM. Unlike many exchanges, it does not use an off-chain order book, instead processing all transactions through its on-chain consensus mechanism.[[5]](#cite-id-JAy8wG7nSYJoLKHl)\n\n### Architecture and Consensus\n\n[Hyperliquid](https://iq.wiki/wiki/hyperliquid)'s L1 uses a Proof of Stake (PoS) consensus algorithm named **HyperBFT**, which is a variant of HotStuff consensus. [Validators](https://iq.wiki/wiki/validator) produce [blocks](https://iq.wiki/wiki/block) in proportion to their staked native tokens, and the mechanism is optimized for low end-to-end latency.[[5]](#cite-id-JAy8wG7nSYJoLKHl)\n\n### Performance and Scalability\nAccording to documentation updated in early 2025, the [Hyperliquid](https://iq.wiki/wiki/hyperliquid) [mainnet](https://iq.wiki/wiki/mainnet) was reported to achieve the following performance metrics:\n\n* **Latency:** For a geographically co-located client, the median end-to-end latency (from request sent to response received) was 0.2 seconds, with the 99th percentile at 0.9 seconds.\n* **Throughput:** The chain could process approximately 200,000 orders per second. The documentation noted that the primary performance bottleneck was the execution logic, while the underlying consensus and networking layers were capable of scaling to \"millions of orders per second\" with future optimizations.\n\nThese technical specifications form the foundation upon which features like [Outcome](https://iq.wiki/wiki/outcome) Trading and Event Perpetuals are built.[[5]](#cite-id-JAy8wG7nSYJoLKHl)","recentActivity":null,"operator":{"id":"0x1E23b34d3106F0C1c74D17f2Cd0F65cdb039b138"},"categories":[{"id":"projects-and-protocols","title":"Projects & Protocols"}],"tags":[{"id":"Infrastructure"},{"id":"DeFi"}],"images":[{"id":"Qma35ruqaJbpETEGRdNmrhfeFuvaJbZNmFM1aYiUi1mKN9","type":"image/jpeg, image/png"}],"media":[],"linkedWikis":{"founders":["john-wang"],"blockchains":["hyperliquid"],"speakers":[]},"events":[{"type":"DEFAULT","date":"2025-09-01","multiDateStart":null,"multiDateEnd":null,"country":"","continent":"","title":"HIP-4: Event Perpetuals 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