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Hyperliquid SK Hynix perpetual briefly plunges amid price-shock probe

Open interest in the SK Hynix-linked Hyperliquid contract fell about 20% to $407 million over 24 hours, after the brief move that sank the contract to $927 before recovering.

Reported · Written up by our desk · Market Structure

A two-minute price shock in a Hyperliquid perpetual tied to South Korea’s SK Hynix has raised questions about how equity-linked perpetual prices are computed and supervised, according to CryptoSlate. The SKHX contract, operated by TradeXYZ on Hyperliquid, briefly fell to $927 during South Korea’s pre-market window, then recovered within roughly two minutes.

CryptoSlate reports that a later DefiLlama snapshot showed open interest at $407 million, down 20.0% over 24 hours, while 24-hour trading volume reached $959 million. Open interest, as described in the reporting, reflects the rolling value of outstanding positions and changes based on both price and position size.

The underlying spot pressure was also substantial in South Korea. Yonhap reported that the KOSPI closed down 10.84% after a 20-minute marketwide circuit breaker, while SK Hynix shares finished 14.65% lower at 1.55 million won.

CryptoSlate said TradeXYZ’s contract specification defines SKHX as the dollar value of one SK Hynix common share, calculated by converting the Korean share price into USD/KRW, with an external-pricing window from 8:00 a.m. to 8:50 a.m. Korean time. It also outlined the broader architecture, including that TradeXYZ relayers compute and transmit oracle, mark, and external prices about every three seconds, while HyperCore handles matching, margining, liquidations, and auto-deleveraging.

Latest closeKospi 6,690.62 ▼5.7%

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