Bitcoin Mining and AI Data Center Stocks Surge... Market Cap Increases by 1 Trillion Won in One Day

Cipher Mining Inc. (CIFR), a Bitcoin mining and AI data‐center company, jumped more than 13% intraday on the Nasdaq on the 27th to trade at $18.75, lifting its market capitalization to about $7.4 billion (roughly KRW 10 trillion). In a single day, market cap expanded by around $1.18 billion (approximately KRW 1.5 trillion), and trading volume exceeded 26 million shares, signaling a strong inflow of short-term momentum capital.

Buying momentum was ignited after U.S. broker-dealer Keefe, Bruyette & Woods sharply raised its price target on Cipher Mining from $13 to $22 while maintaining an “Outperform” rating.

Beyond simple Bitcoin mining, Cipher has been accelerating its shift into an AI infrastructure provider. Recent moves include securing a 10-year AI data-center hosting contract—underwritten by Google for certain lease obligations—and acquiring a new 200-megawatt site in Ohio.

Founded in 2021 and headquartered in New York, Cipher Mining operates large-scale Bitcoin-mining data centers, notably expanding capacity at sites like the Black Pearl in Texas to boost its hash rate aggressively. Although revenue has surged, the company remains unprofitable, making its results—and share price—highly sensitive to Bitcoin prices, electricity costs and the performance of its AI infrastructure investments.