HIP-4: Outcome Go Mainnet
The line between prediction markets and perpetuals just disappeared.
For years, trading around a major BTC event meant splitting your trades. Take a directional perp position on one platform, then take an outcome position on another with capital locked until resolution.
That changed last week. HIP-4 made outcome contracts a native instrument inside your existing Hyperliquid margin account.
Why perps could never handle this cleanly
Perpetuals run on continuous oracles with deviation limits per update. That holds for ongoing leveraged exposure where price drifts, but it breaks on discrete events like a monthly options expiry.
A continuous oracle cannot handle that jump without creating an arbitrage window that drains existing position holders.
HIP-4 removes the oracle entirely during the market’s life:
Price discovery runs through the order book for the contract’s duration
The oracle is consulted exactly once, at settlement
When the oracle posts, settlement jumps directly to the final value with no convergence period and no arbitrage on known outcomes
This is why Hyperliquid described it as a general-purpose primitive rather than a prediction market product.
What actually changed in your margin account
Outcome contracts settle to 0 or 1 USDH, pricing between 0.001 and 0.999 during continuous trading. The price is the market’s implied probability.
Payoff is fixed at entry:
Buy YES at 0.60 USDH: event occurs = +0.40 profit, event fails = -0.60 loss
Maximum downside is your entry cost, known before you open
The position cannot be liquidated
Interestingly, perps run in USDC and outcomes settle in USDH.
Yes, Hyperliquid offers a native 1:1 USDC/USDH swap on-platform, so there is no bridging and no friction moving collateral between instruments.
Here is how it works in practice.
Say you are long BTC perp into expiry week and you think price holds above a key level.
Open a YES contract on that same threshold in the same margin account:
Both positions share USDH collateral and automatically offset each other’s margin requirements
Net margin drops while you hold both
Opening a position costs nothing. Fees apply on close or settlement only
What day one looked like
Although this was a limited-feature, single-market initial release, $6.05M in volume on the first day represented 0.7% of total prediction market volume globally.
According to the Allium’s HIP-4 Analytics Dashboard, the first three settled markets generated $9.3M in premium volume across 4,039 unique wallets and 129,802 cumulative fills.
Three BTC daily binaries have settled so far:
Market 0, May 3: 6.6M contracts, $3.3M premium, 2,552 unique traders
Market 1, May 4: 5.5M contracts, $2.7M premium, 1,933 unique traders
Market 2, May 5: 6.2M contracts, $3.0M premium, 1,861 unique traders
According to the same dashboard, trade size distribution concentrates in the 10-1,000 contract range, accounting for over 116,000 of the 129,802 total fills, suggesting traders are sizing these as deliberate positions rather than speculative flyers.
What is already live around HIP-4
Frontends and dApps
StratiumX — outcome markets alongside HIP-3 perps in one interface
Outcome.xyz — dedicated outcome markets frontend
Liquidiction — prediction market interface built on HIP-4
HyperSwap — prediction markets within the existing swap interface
HIP4.io — community-built markets explorer
Perpmate — perp-native interface with outcome markets
HLOS — outcome markets within the HLOS trading environment
Analytics and data
loris.tools/hip4 — real-time market data
liquidterminal.xyz/hip4 — trading terminal with HIP-4 integration
hip4.defilytica.com — analytics dashboard
Allium Labs — on-chain data
Hydromancer — market intelligence
SEDA Protocol launched SEDA Outcomes alongside mainnet, an ultra-low latency oracle endpoint purpose-built for HIP-4 settlement, already powering Outcomexyz, Perpsdotfun, StratiumX, and HyperOddX.
Worth opening before you need it
Pull up the Outcomes tab alongside an open perp position and watch how the margin numbers move together.
app.hyperliquid.xyz → Outcomes
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See you in the next one!