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Tantalum Strategy

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

Fri, 24 Jul 2026 21:21 UTC
TAI -2.05%
Tantalum AI Materials Index
105.1
YTD +8.2%
SOV50 -2.18%
Sovereignty 50
120.9
YTD +14.6%
SDX -1.29%
Southern Diversification Index
99.5
YTD -3.9%
Updated weekly · Friday market close Methodology →
DESK STATUS
Multi-model validationActive
Cross-source verificationContinuous
Index recalculationWeekly
Last index pass17 July 2026
WatermarkSigned
MethodologyPublic
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

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Coverage
AI infrastructure· Rare earths· Lithium· Copper· Helium· Niobium· Power & grid· Sovereignty· China watch· US policy· Agribusiness · See the full coverage map →

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