Hyperliquid Launches HIP-4 and Targets Polymarket With Zero-Fee Outcome Markets

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Hyperliquid activated its HIP-4 Outcome Markets on mainnet May 2, 2026, bringing fully collateralized, onchain prediction markets directly into the same account where traders already run perpetual futures and spot positions. Hyperliquid Launches HIP-4 and Targets Polymarket With Zero-Fee Outcome Markets Key Takeaways: - Hyperliquid launched HIP-4 Outcome Markets on mainnet May 2, 2026, with BTC daily binary contracts live and trading. - HIP-4 charges zero fees to open positions, directly targeting Polymarket and Kalshi for onchain prediction market volume. - Builders can deploy permissionless markets in a later phase by staking 1,000,000 HYPE, with slashable stakes burned if rules are violated. Hyperliquid Pushes Into Prediction Market Space With HIP-4 Mainnet Launch The new contract type is distinct from HIP-3, which launched on mainnet Oct. 13, 2025, and covers builder-deployed perpetual futures for stocks, commodities, foreign exchange, and real-world assets. HIP-4, announced Feb. 2, 2026, adds a separate primitive built for binary and multi-outcome event contracts that settle to exactly 0 or 1 at expiry. The distinction matters technically. HIP-3 perpetuals rely on continuous oracles with roughly 1% price deviation limits per update, a design suited for leveraged ongoing trading but incompatible with sharp, discrete events like election results or macro data releases. HIP-4 uses fixed-range settlement with no ongoing funding rates and no liquidation engine. Traders buy YES or NO tokens representing the implied probability of an event. Prices float between 0.001 and 0.999 during continuous trading and settle to a fixed outcome at expiry based on an authorized oracle source. A trader who buys YES at 0.60 USDH earns 0.40 per contract if the event occurs and loses the 0.60 entry cost if it does not. Positions are fully collateralized in USDH, Hyperliquid’s native stablecoin, and carry no liquidation risk. That collateral structure also connects to the protocol’s fee flywheel: settlement demand drives USDH usage, which feeds HYPE buybacks through the existing protocol mechanics. The fee model is designed to attract volume away from Polymarket and Kalshi. Opening or minting an outcome position carries no fee. Fees apply only when closing, burning, or settling a position. Makers on outcome orders who would normally receive rebates instead pay zero. Staking-aligned discounts, including a potential 20% taker fee reduction, still apply. Initial markets are curated and validator-deployed. The first live contracts cover recurring daily BTC price threshold events that reset at 2 a.m. Categories planned for expansion include politics, sports, macro data releases, crypto events, and entertainment. Builders who want to deploy their own outcome markets must stake 1,000,000 HYPE per slot. That stake is slashable and burned if validators determine the deployer manipulated an oracle, introduced invalid state transitions, or caused prolonged downtime. One staked slot supports rolling and recurring markets, recycling after settlement. Each market opens with a roughly 15-minute single-price clearing auction. Users submit limit orders during the auction period; no execution occurs until the auction clears at the price that maximizes matched volume. Unfilled orders roll into continuous trading on the same central limit order book powering Hypercore spot and perpetual markets. The architecture runs natively inside Hypercore, sharing the same matching engine, order types, and approximately 200,000 orders-per-second throughput as all other Hyperliquid markets. Outcome positions sit inside the same wallet as a trader’s perps and spot holdings and factor into unified portfolio margin. Frontends already integrating HIP-4 include Outcomexyz and Stratium, an aggregator that places outcome markets alongside HIP-3 perpetuals in one interface. Dedicated tracking dashboards, including the loris.tools suite, are expected to add HIP-4 data soon. US Senate Bans Lawmakers From Betting on Prediction Markets Permissionless builder deployment, mirroring HIP-3’s phased rollout, follows once the canonical market phase stabilizes. Volume and open interest from outcome markets count toward protocol-wide fee tiers, meaning active prediction market traders can qualify for lower rates on perpetuals through the same unified account.

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