diff --git a/domains/internet-finance/hyperliquid-hip4-offshore-zero-fee-prediction-markets-create-three-way-category-split.md b/domains/internet-finance/hyperliquid-hip4-offshore-zero-fee-prediction-markets-create-three-way-category-split.md
index 3a3de432f..d69788b9e 100644
--- a/domains/internet-finance/hyperliquid-hip4-offshore-zero-fee-prediction-markets-create-three-way-category-split.md
+++ b/domains/internet-finance/hyperliquid-hip4-offshore-zero-fee-prediction-markets-create-three-way-category-split.md
@@ -12,6 +12,17 @@ scope: structural
 sourcer: Unchained Crypto
 supports: ["dcm-registered-prediction-market-platforms-converging-on-perpetual-futures-marks-structural-repositioning-as-full-spectrum-derivatives-exchanges-creating-three-way-category-split", "metadao-twap-settlement-excludes-event-contract-definition-through-endogenous-price-mechanism", "prediction-market-platform-competition-decided-by-ownership-alignment-not-product-features"]
 related: ["dcm-registered-prediction-market-platforms-converging-on-perpetual-futures-marks-structural-repositioning-as-full-spectrum-derivatives-exchanges-creating-three-way-category-split", "metadao-twap-settlement-excludes-event-contract-definition-through-endogenous-price-mechanism", "cftc-anprm-scope-excludes-governance-markets-through-dcm-external-event-framing", "kalshi-hyperliquid-hip4-partnership-creates-offshore-decentralized-prediction-market-regulatory-arbitrage-model", "prediction-market-platform-competition-decided-by-ownership-alignment-not-product-features", "polymarket", "kalshi", "hyperliquid-hip4-offshore-zero-fee-prediction-markets-create-three-way-category-split", "kalshi-hyperliquid-regulatory-arbitrage-partnership-licenses-dcm-market-design-to-offshore-platforms"]
+
+### Auto-enrichment (near-duplicate conversion, similarity=1.00)
+*Source: PR #10460 — "hyperliquid hip4 offshore zero fee prediction markets create three way category split"*
+*Auto-converted by substantive fixer. Review: revert if this evidence doesn't belong here.*
+
+## Supporting Evidence
+
+**Source:** AI Invest, May 4, 2026
+
+HIP-4 launched May 2, 2026 with first event contract on May 4 generating $6.2M Day 1 volume (6.05M contracts). Initial markets are daily BTC price threshold binary bets with zero fees to open positions. Kalshi partnership confirmed, creating the offshore-decentralized regulatory arbitrage model alongside Kalshi's DCM-registered onshore platform and Polymarket's offshore centralized model.
+
 ---
 
 # Hyperliquid HIP-4 offshore zero-fee prediction markets formalize the three-way category split between DCM-regulated platforms, offshore decentralized event contracts, and on-chain governance markets