Hyperliquid market orders of up to $20M moved Papertrade prices at launch

The new synthetic perpetuals exchange offering 1,000x leverage saw its ETH quotes shift within hours, then tightened open-interest caps Papertrade opened for business on October 10, 2026, offering up to 1,000x leverage on Bitcoin and Ethereum . Within hours, traders found the lever that moved its prices, and it wasn’t on Papertrade at all. Roughly $20 million in market orders placed on Hyperliquid shifted Papertrade’s ETH quotes by about 10–20 basis points shortly after launch. For a venue whose whole pitch is borrowing someone else’s price, that is an awkward first-day stress test. Papertrade is a synthetic perpetuals exchange built on HyperEVM, the smart contract layer of Hyperliquid. Instead of discovering prices itself, it reads Hyperliquid’s best bid and offer, known as the BBO, through a precompile.

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