A Bitcoin whale has expanded the largest on-chain Bitcoin short position to 1,900 BTC, pushing the bearish bet to $125 million and leaving it with an unrealized profit of $1.794 million, according to tracking by on-chain analyst Ai Yi. The trader added 258 BTC about five minutes before the latest update, with the position opened at $63,582. An earlier update had described the short as worth $114 million, but the latest position update put it at $125 million.