Hyperliquid’s SpaceX-linked pre-IPO markets see a 45% flash crash that liquidates $1.5 million

A sudden selloff in a SpaceX-linked crypto contract triggered widespread liquidations among retail traders, exposing how fragile liquidity can amplify sharp moves in synthetic markets.

Hyperliquid’s SPACEX-USDH perpetual contract suffered a violent flash crash on Thursday, plunging from $2,277 to a low of $1,254 within roughly 30 minutes — a near 45% drop — before partially recovering to around $2,169. Hyperliquid data shows the move liquidated 405 users across 1,393 positions, resulting in about $1.51 million in notional losses.

The severity of the drop was magnified by extremely thin liquidity. In the 24 hours leading up to the event, the contract recorded just $4.87 million in trading volume against open interest of less than $2.9 million, leaving insufficient depth to absorb aggressive selling. Once the cascade began, the limited order book depth accelerated the downward move.

Positioning data suggests a heavily retail-driven market. The median liquidated position carried just $31 in margin, indicating small accounts using leverage with very limited downside buffers, making them highly vulnerable to abrupt price swings.

The SPACEX-USDH contract is a synthetic perpetual designed to track expectations of SpaceX’s private valuation. Since SpaceX is not publicly listed, traders use the instrument to speculate on its implied valuation ahead of any potential future IPO.

Unlike perpetual futures tied to highly liquid assets such as bitcoin or ether, the contract has no deep underlying spot market reference. While SpaceX shares do trade in restricted secondary markets, access is limited to accredited investors, leaving the crypto derivative without a widely available pricing anchor.

At settlement, the contract’s mark price of $2,132 remained more than $220 above the oracle reference price of $1,908, showing that even after the liquidation event, the market continued to trade at a premium relative to its external valuation benchmark.