The Race to Trade Everything: How Hyperliquid's HIP-4 Is Taking On Polymarket and Kalshi
§ 01 Executive Snapshot
- What: Hyperliquid's HIP-4 protocol upgrade goes live, introducing a new prediction market model.
- Who: Key players include Hyperliquid, Polymarket, and Kalshi.
- Why it matters: HIP-4 positions Hyperliquid to compete in the prediction markets space, potentially reshaping market dynamics and user engagement.
§ 02 Key Developments
- HIP-4 was activated on May 2, 2026, after being announced on February 2, 2026, and hitting testnet the same week.
- Prediction markets crossed $150 billion in combined lifetime volume in April, with Kalshi reporting $14.81 billion in notional volume (+13.3% MoM) and Polymarket at $9.01 billion (-14.8% MoM).
- By Day 25, HIP-4 captured 20.1% of combined BTC prediction-market 24h volume, translating to $2.38 million compared to Polymarket's $9.46 million.
§ 03 Strategic Context
- The rise of prediction markets has been significant in the financial landscape, with growing acceptance as useful tools for hedgers and speculators.
- All major venues are converging towards the "trade everything from one account" model, indicating a broader shift in market structure and user experience.
§ 04 Strategic Implications
- The immediate impact may include increased competition for event trading volume, potentially altering user behavior across existing platforms.
- Long-term implications could involve a significant reshaping of market infrastructure and trading strategies, especially if HIP-4 proves to be more cost-effective and user-friendly.
§ 05 Risks & Constraints
- Regulatory hurdles remain a concern as platforms like Polymarket seek onshore approval for their operations, which could affect market dynamics.
- Competition from both Polymarket and Kalshi, which have established user bases and infrastructure, poses ongoing challenges for Hyperliquid.
§ 06 Watchlist / Forward Signals
- Upcoming milestones include the performance of HIP-4 in capturing market share and user engagement compared to established platforms.
- Monitoring how Polymarket and Kalshi respond to HIP-4's launch, particularly in terms of infrastructure upgrades and user retention strategies, will be crucial for predicting future market trends.
Frequently Asked Questions
What is Hyperliquid's HIP-4?
HIP-4 is a protocol upgrade that introduces a new prediction market model, aimed at enhancing Hyperliquid's competitiveness in the prediction markets space.
When was HIP-4 activated?
HIP-4 was activated on May 2, 2026, after its announcement on February 2, 2026.
Why are prediction markets significant in the financial landscape?
Prediction markets are gaining acceptance as useful tools for hedgers and speculators, indicating a shift in market structure and user experience.
Who are the main competitors of Hyperliquid in the prediction markets?
The main competitors are Polymarket and Kalshi, both of which have established user bases and infrastructure.
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