Bitcoin and Ethereum Strategy Analysis October 21

Bitcoin and Ethereum surged overnight before consolidating; the recent high point on the daily chart can be seen as resistance, with a potential drop expected. Trading suggestion: Short Bitcoin around 83,000, add short position at 83,800, stop-loss at 84,500, target around 81,500; short Ethereum around 2,450, add short at 2,480, stop-loss at 2,500, target around 2,380.