Riot Platforms shares jumped over 20% before U.S. markets opened on Tuesday, following reports that Anthropic is the buyer behind a $9.1 billion, 20-year deal to lease AI computing capacity from the Bitcoin miner’s Texas campus. Riot leases 191 megawatts at Rockdale through 2028The contract includes 191 megawatts of capacity at Riot’s Rockdale, Texas site and lasts for 20 years. Riot Platforms expects the base term to generate between $7.3 billion and $8.2 billion in net operating income. With both deals, Riot’s contracted AI capacity at the site now totals 241 megawatts. Data center revenue was $23.2 million, with $4.9 million from operating leases and $18.3 million from tenant fit-out services.