PT-BR BETA 1.0

Tantalum Strategy

Benchmarks, research, and advisory for the materials economy underneath AI.

Fri, 24 Jul 2026 21:21 UTC
Research

Field notes from the materials economy underneath AI.

Weekly coverage of the supply, policy, and capital flows that move the physical layer of the AI buildout — anchored in a Southern Hemisphere asset base most of the market underweights.

61 pieces · newest first
Power & grid

The AI Buildout Has the Money. It Cannot Buy Enough Transformers.

Google lifted 2026 capex to as much as $205 billion this week. The binding constraint is no longer capital, it is copper, electrical steel, and the transformers made from them. Brazil sits on both ends of that squeeze.

Tantalum Strategy Desk · July 24, 2026 · 6 min