# Project Odyssey bond sale may increase to $4B amid strong demand > Source: > Published: 2026-08-17 16:56:31+00:00 Via suretybondprofessionals.com # Project Odyssey bond sale may increase to $4B amid strong demand Microsoft-linked debt offering keeps growing as investors pile into AI infrastructure financing A bond sale linked to Microsoft’s data center ambitions is on track to reach roughly $4 billion, up from an initial $3.9 billion target, as investor appetite for AI-related infrastructure debt shows no signs of cooling. ## The deal and its trajectory The bond issuance, tied to Microsoft’s expanding data center footprint, was originally sized at $3.9 billion before strong demand pushed the total toward the $4 billion mark. Consider what happened in April 2026 with a related transaction. A Blackstone-backed debut bond offering by QTS, financing a Microsoft data center in Phoenix, attracted approximately $12.5 billion in investor demand. That’s more than three times the size of the actual deal. Microsoft is no stranger to the corporate bond market. The company executed a $19.75 billion issuance back in 2016, one of the largest corporate bond deals in history at the time. This time around, the motivation is more specific: data centers built to handle the compute demands of an AI-driven future. ## Why investors can’t get enough Microsoft, Amazon, Meta, and Alphabet are collectively planning hundreds of billions of dollars in capital expenditures for 2026. Microsoft alone has guided toward approximately $190 billion in spending, and much of it will flow into data centers, networking equipment, and the physical infrastructure that makes AI models actually run. ## The broader AI infrastructure financing wave The QTS deal in April set the template. A purpose-built data center, a blue-chip tenant commitment from Microsoft, and a bond structure that gives fixed-income investors a way to participate in the AI boom without touching equity volatility. The $12.5 billion in demand for that single offering signaled that institutional investors view AI infrastructure debt as a distinct, attractive asset class. **Disclosure:** This article was edited by Editorial Team. For more information on how we create and review content, see our [Editorial Policy](https://cryptobriefing.com/editorial-policy/).