Arkham reported that Machi Big Brother generated roughly a fivefold return by going long ETH in less than 48 hours. According to the monitoring data, the trading account grew from around $40,000 to $500,000 over the two-day period. Arkham also indicated that Machi Big Brother sold three Bored Ape NFTs to fund or expand the ETH long position. The case highlights how a whale account can rapidly rotate capital from illiquid NFT holdings into a directional trade on a major crypto asset, and then realize outsized gains within a short window when the position moves favorably. The disclosure is based on Arkham’s public on-chain monitoring and was shared through its official post.
Arkham reports a two-day profit surge from an ETH long
According to Arkham, Machi Big Brother posted an approximately 5x return by going long ETH in under 48 hours. The monitored trading account reportedly expanded from about $40,000 to $500,000 during that period. Based on the disclosed figures, the gain was tied to a directional bullish ETH position that significantly increased the account value over a very short time frame.
Three Bored Ape NFTs were sold to build the position
Arkham also stated that Machi Big Brother sold three Bored Ape NFTs in order to go long ETH. This suggests that the trader rotated capital out of NFT holdings and into an ETH long rather than relying solely on existing liquid balances. The case is notable because it shows a direct shift from NFT exposure to a high-conviction ETH trade. The original source cited for the disclosure is Arkham’s public post: https://x.com/arkham/status/2073060779952054384.
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