It is not a loss if the delivery of the 4k ETH has been at current prices since its 10m when the market recovers will be 20m, therefore it will make money if it holds those ETH.
Arkham
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NFT TRADER DOWN $10M ON CRYPTOPUNK
This NFT Trader bought an Alien Cryptopunk 1 year ago for 4.5K ETH ($16M). He just sold it for 4K ETH ($6M).