Hyperliquid's HIP-4 event contract clears $6M notional on day one.

Hyperliquid's HIP-4 event contract opened trading with 6.05 million contracts — roughly $6 million in notional volume — on its first day live. That translated to about 0.7% of the day's total prediction market share, a modest but measurable foothold for a brand-new instrument. For context, Kalshi…