Cipher Mining (CIFR) Stock Soars 300% on AI & Bitcoin Boom – Now Stumbles Amid Crypto Slump
CIFR’s Roller-Coaster Rally and Recent Plunge Cipher Mining’s stock has been on a wild ride in 2025. Starting the year under $2, CIFR rocketed into the high teens and low $20s by mid-October. It closed October 13 at $20.34 (a record high, +19.9% that day) and even traded above $21 in after-hours. This meteoric rise – roughly +320% year-to-date – reflected a confluence of company-specific news and a surging crypto market. However, the momentum has since reversed. After peaking, CIFR pulled back sharply: it dipped to the mid-$17s on Oct. 21 and then slid further to the mid-$15 range on