---
symbol: "ASML"
name: "ASML Holding"
date: 2026-09-09
change_pct: 1.679995397272887
direction: "up"
event_type: "contract_deal"
url: "https://perplo.app/why/ASML/2026-09-09"
updated_at: 2026-09-09T01:06:48.571Z
---

# Why ASML Holding (ASML) rose 1.68% on September 9, 2026

ASML Holding (ASML) rose 1.68% on September 9, 2026 — TSMC, Samsung High NA EUV commits boost tool demand.

## What happened

TSMC and Samsung committed to ASML's High NA EUV lithography tools, cementing multi-year capital commitments and validating the next-generation node roadmap as AI capex sustains fab utilization.

## Why it moved

Customer adoption of High NA EUV directly translates to ASML's order book and pricing power — these are industry's most expensive tools and have long cycle times, locking in revenue visibility.

## Why it matters

Chip Supply Chain: ASML is the sole supplier of extreme UV lithography; TSMC and Samsung's High NA commitment confirms the foundry capex regime extends into 2026–2028 at elevated levels.

## What would break the thesis

Foundry capex can be pulled forward or delayed based on AI demand volatility; if AI inference capex disappoints or hyperscalers shift to in-house ASIC design and reduce foundry orders, tool deployment and ASPs could…

## Sources

- [TSMC, Samsung commit to ASML’s newest chipmaking tools as AI drives demand](https://www.cnbc.com/2026/09/08/tsmc-samsung-asml-high-na-euv-machine-ai-chips.html) — CNBC
- [Bank of America Sees ASML Stock's Next Big AI Trigger](https://finnhub.io/api/news?id=867048b2be5890cee2758a5efcb8bb39971374c4bed31b8422108d97fc8aebe7) — Yahoo
- [ASML Wins Over TSMC, Samsung for New EUV Machines as AI Demand Surges](https://finnhub.io/api/news?id=17177fef1ca7bf317dcc93cda3f133854e00d7ce7a932e729985430f169fc70d) — Yahoo

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