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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.

No spam · unsubscribe anytime · research, not advice
How we’re scoring right nowElevatedBalanced weighting - structure and momentum both carry, no single lens dominates.→ steady · 13d
Track record · out-of-sample
+0.3%
STRONG BUY · 7d fwd
0.00
rank IC · 52d
price action
best predictor
The engine’s week · recorded

This recorded week (Sep 10 → Sep 17): 835 names re-scored nightly · 80 verdict upgrades · 50 downgrades - the names are inside.

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 89/100Constraint score 91/100

Why now - 6 nodes depend on it; pressure 89/100

as of 2026-09-17Medium confidence Bottleneck engine · Model 2.8
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 · Chips79/100

GPU

4 nodes depend on it; pressure 79/100

#3 · Infrastructure90/100

Indium phosphide

3 nodes depend on it; pressure 90/100

#4 · Models64/100

Inference serving

5 nodes depend on it; pressure 64/100

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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.

Energy70
Chips65
Infrastructure66
Models55
Applications47
as of 2026-09-17Medium confidence Public filings + market data

See the whole chain, live.

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.

See pricing

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