The trading volume of Bitcoin runes has dropped by more than 88% this month. Bitcoin miners have earned less than 2 bitcoins from rune trading in the past six days, a significant drop from the record-breaking 884 bitcoins earned on April 24. According to data from Dune Analytics, the daily trading volume of Runes from June 22 to 28 was 37,800, a decrease of nearly 90% from the daily average of 331,000 transactions between June 9 and 15. In particular, the trading volume on June 24 was 23,200, the lowest level since the fourth Bitcoin halving. In the past week, rune transactions accounted for only 4.9-11.1% of all Bitcoin transactions.