The mark price fell 19% on a single pre-market trade in Korea. The company says its oracle worked exactly as designed.

Perpetual futures on the South Korean chipmaker's American depositary receipts plunged 20% in one minute before quickly rebounding above $1,000.

A rogue pre-market trade in SK Hynix shares in Seoul triggered a 20% flash drop in crypto perpetual contracts on Hyperliquid. The oracle price anomaly wiped out nearly $60 million…