A whale trader incurred a significant loss of $1.248 million in a single crude oil trade, erasing five days of accumulated profits. The trader, identified by on-chain analyst Ai Aunt, had previously gained $780,000 from eight long and short trades between March 4 and 7. On March 9, the trader bought long at $103.38 as crude oil prices surged, but exited with a stop-loss at $95.06, resulting in a net loss of $469,000.