Arkham data indicates that one trader earned $192 million

Large holders did take advantage of the market swings.

Arkham data shows one such trader pocketed $192 million from short positions ahead of the collapse. The whale has allegedly re-entered the market with a fresh $163 million short position on the DeFi platform Hyperliquid.#Write2Earn

The $209 million leveraged short, according to on-chain analysis, highlights sustained bearish positioning by whales. However, experts warned that risky positions like these could drive market swings in the near term amid expectations of continued volatility.

A Polymarket bet on Bitcoin’s pseudonymous creator, Satoshi Nakamoto, saw a plunge to 6% after a sudden rise on Oct. 15. The bet “Will Satoshi move any Bitcoin in 2025?” spiked 15% for a while before tumbling down. This sudden rise and fall incident led some traders to lose their positions.$BTC @Bitcoin

According to Polymarket data, one trader by the username 1897sadhjns444dpoasdp speculated over $13,000 on “Yes” at an average price of 10 cents a share. They saw their current value drop by nearly 46%, experiencing a deficit of $11,057.#USBitcoinReservesSurge

Similarly, a different user, arfdgsdfq, who bet the same at 11 cents per share, saw their position dive down over 52%, resulting in a loss of $16,583 in a single month.