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Hyperliquid just introduced a new class of yes-or-no trades.
The exchange's latest upgrade introduces functionality for prediction markets, options trading, and essentially any market that resolves in binary fashion.
In the exchange’s own terms, these are called “outcome markets,” fully collateralized binary contracts that can underwrite all the markets I listed above, though only one is currently live: a market for whether BTC ends the day up or down.
This single market has had explosive activity out of the gate, which begs the question, will 
Polymarket and Kalshi soon go up in smoke?
Given that Kalshi’s Head of Crypto was one of the initial authors of the HIP-4 proposal, it’d be quite ironic if it did. But, when we examine what HIP-4 actually is and what it unlocks for the venue, it does not look like this is Hyperliquid’s primary ambition (for now).
Rather, HIP-4 looks to be about adding optionality for traders to craft the most comprehensive positions possible, reinforcing the exchange’s status as the best place to trade assets, on- and offchain.
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Yeah we're going to #needthat HIP-4
— Flood (@ThinkingUSD) May 2, 2026
Hyperliquid https://t.co/LgrjuO8iug
How HIP-4 Works
Fundamentally, HIP-4 markets function the exact same way that markets on Polymarket or Kalshi do.
A trader buys either yes or no shares to express a view on whether something will occur, currently whether BTC’s price will close above today's mark price at 06:00 UTC. If they’re correct, their shares settle to $1. If they’re wrong, their shares settle to $0, losing whatever capital they put in.
2nd outcome settles as YES https://t.co/h1U0FzgMz8 pic.twitter.com/U1EPVbbQ64
— Peggy.hl (@Sakrexer) May 4, 2026
There is no leverage, no “liquidations” (in a perpetual sense), and the contracts are fully collateralized. Settlement occurs in the ecosystem’s primary stablecoin, USDH, against HyperCore's mark prices for that market’s tracked asset. Like all the other features of the HyperCore (the exchange layer of Hyperliquid), HIP-4 contracts compose with HyperEVM and portfolio margin, meaning they are plugged into the rest of Hyperliquid's trading stack rather than sitting beside it.
Multi-outcome markets and broader assets will roll out in stages, with all HIP-4 outcome markets being launched by the Hyperliquid core team for the foreseeable future. Permissionless deployment will come, though the timeline is unknown and will be determined by “user feedback.”
What HIP-4 Actually Unlocks
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