Bitcoin Mining Stocks Targeting AI Data Centers Experience 6% Drop in One Day

Riot Platforms Inc. (NASDAQ: RIOT) closed at $18.10 on the Nasdaq on the 20th, down 5.93%. Its market capitalization stood at approximately $6.7 billion (about ₩8.8 trillion), erasing roughly $370 million (about ₩500 billion) in a single day, with trading volume topping 17 million shares.

The company recently announced a $311 million, 10-year lease of 25 MW of capacity at its Rockdale, Texas, data center to semiconductor maker AMD. If all options are exercised, the deal’s value could rise to as much as $1 billion (roughly ₩1.3 trillion). In December, Riot mined 460 bitcoins and sold 1,818 bitcoins, raising $161.6 million (about ₩210 billion) to fund infrastructure investments such as the Corsicana AI data center.

Riot Platforms is a U.S. digital infrastructure company operating large-scale bitcoin-mining facilities and data centers in Texas and Kentucky. Leveraging its bitcoin-mining operations and in-house power infrastructure, the company is rapidly expanding its AI and high-performance computing data center business. In the third quarter of 2025, Riot delivered a record quarterly net income of $104.5 million and is accelerating its transition to AI infrastructure by gradually monetizing its bitcoin holdings.