Hyperliquid prediction markets run through HIP-4, a fully collateralized outcome contract system on HyperCore. Traders buy and sell outcomes that settle within a fixed range. The first live markets use recurring binary contracts tied to the BTC mark price, with multi-outcome markets planned for later stages.
Hyperliquid activated HIP-4 on mainnet on May 2, 2026, according to Galaxy Research. That launch put outcome contracts beside the venue's perpetual and spot markets. It also gave prediction market traders a third market structure to study alongside Kalshi and Polymarket.
What is a Hyperliquid prediction market?
A Hyperliquid prediction market is an HIP-4 outcome contract that settles according to a defined result. Each position is fully collateralized. Hyperliquid's documentation says these contracts add dated, nonlinear payoffs without borrowed capital or liquidations. A trader's loss is bounded by the capital committed to the position.
The initial release centers on recurring BTC outcomes that settle daily at 06:00 UTC against HyperCore's BTC mark price. Hyperliquid says it will roll out more markets and features in stages. The protocol supports a broader outcome primitive, but traders should read each market specification before placing an order. Settlement terms carry the trade.
New traders can start with how prediction markets work. The mechanics look familiar. Price the outcome, choose a side, size the position, and accept that the market can settle against you.
How does HIP-4 work?
HIP-4 creates outcome tokens on HyperCore and links the opposing sides through one merged book. Hyperliquid treats buying Yes at price p as economically equivalent to selling No at 1 minus p. The merged structure lets both sides share liquidity while the matching engine applies price-side-time priority at each level.
- Full collateral: traders fund the position without borrowed capital or liquidation risk.
- Merged liquidity: Yes and No orders meet in one linked order book.
- Fixed settlement: every contract publishes the condition and expiry that determine its payout.
- Programmable access: developers can retrieve outcome metadata and trade through Hyperliquid's public API.
Hyperliquid also lets advanced users split and merge outcome balances. For question markets, linked outcomes can release collateral before final settlement when the remaining combinations make the result certain. These mechanics reward traders who understand the contract specification, the order book, and the settlement path before they send an order. The order ticket is the last step. Traders earn the right to use it by reading the rules first.
What fees apply to Hyperliquid outcome markets?
Hyperliquid charges outcome-market fees when a trader closes a position or when the contract settles. The venue does not charge the outcome fee when a trader opens the position. Its fee documentation also says outcome trading does not support maker rebates, although qualifying makers can pay zero on orders that would earn a rebate in spot or perpetual markets.
Fees are only one execution cost. Spread, available depth, and slippage determine the fill a trader receives. Read the book before sizing the trade. Kairos traders use position sizing rules to cap the damage when a view is wrong. Event contracts carry real market risk.
How does Hyperliquid compare with Kalshi and Polymarket?
Hyperliquid embeds outcome contracts in HyperCore, the same trading system that supports its spot and perpetual markets. Kalshi and Polymarket built dedicated event-market venues with different access, collateral, and settlement systems. Traders should compare the exact contract, liquidity, and rules available on each venue before choosing where to execute.
Cross-venue prices can separate when traders, collateral, and order flow sit in different books. That gap creates the setup covered in our prediction market arbitrage guide. The opportunity only exists after fees, spread, transfer constraints, and settlement terms are accounted for.
Where does Kairos fit?
Kairos gives serious prediction market traders one professional terminal for fragmented venue liquidity. Sub-second data, aggregation, low-latency execution. The team built institutional trading infrastructure and put those mechanics in the hands of individual traders.
A prediction market terminal turns separate venue screens into one execution workflow. Kairos brings the book, the data, and the order flow into a single trading surface. Trade the market in front of you. See you in the order books.