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The Bottleneck Report.

The single tightest link in the AI supply chain right now, what’s driving it, and the names exposed to it — the part most likely to move the AI stocks. In two minutes, in your inbox.

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01This week’s tightest link
Energy · the binding constraint

Transformer availability

Lead times and supply of large power transformers (LPTs), a long-pole item for energizing new load.

Pressure 91/100Constraint score 92/100

Why now — 6 nodes depend on it; pressure 91/100

as of 2026-07-17Medium confidence Bottleneck engine · Model 0.7.0
Names exposed to this part
  • Hitachi Energy
  • GE VernovaGEV
  • HD Hyundai Electric Co., Ltd.267260.KS
  • Hyosung Heavy Industries Corporation298040.KS
  • LS Electric Co., Ltd.010120.KS

Exposure ranks which names depend most on this part of the chain. Research on positioning — not a recommendation to buy or sell.

#2 · Infrastructure93/100

Indium phosphide

3 nodes depend on it; pressure 93/100

#3 · Chips78/100

GPU

4 nodes depend on it; pressure 78/100

#4 · Models66/100

Inference serving

5 nodes depend on it; pressure 66/100

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The tightest link, what moved it, and the names exposed — before it’s priced in.

02Live chain tightness
See the AI Value-Chain Index
System tightness
64/ 100
Building

How close the whole chain is to a binding constraint — the moments when a handful of names get pricing power. The Bottleneck Report watches this so you don’t have to.

Energy71
Chips65
Infrastructure67
Models55
Applications47
as of 2026-07-17Medium confidence Public filings + market data

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The report is the headline. Inside, trace any tight part to the exact names, forecast where the squeeze moves next, and x-ray your own watchlist.

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Research and intelligence on the AI supply chain — not investment advice. Figures are illustrative, estimated or probabilistic and can be wrong.