ASML Reports Wednesday, TSMC Thursday: Auditing the AI Boom

By Daniel Rao  |  Veldhoven and Hsinchu

TSMC has already told us it collected a record NT$1.49 trillion last quarter. The stock fell anyway. This week, the world's most important chipmaker — and the Dutch company that sells it the machines to make them — get 48 hours to answer the only question the market still cares about: is the AI boom real money, or an extraordinarily expensive story being told with borrowed cash?

On Wednesday, October 14, ASML reports third-quarter results at 07:00 CET, followed by an investor call at 15:00. On Thursday, October 15, TSMC holds its full third-quarter earnings conference at 14:00 Taiwan time — 02:00 on the US East Coast, for anyone brave enough to set an alarm. Two companies, 24 hours apart, and between them they own both ends of the AI supply chain. ASML is the only company on earth that can build the machines that print advanced chips. TSMC prints nearly all of them.

We checked both companies' investor calendars this morning, and the dates hold. One delicious detail: TSMC is in its self-imposed quiet period until October 14, which means nobody at the company is allowed to answer a single analyst question until the day before its own conference. Tidy timing, for the most scrutinised week of the quarter.

Photo: ASML's headquarters in Veldhoven, Netherlands — the company reports Q3 2026 results on Wednesday, October 14. Credit: A ansems / Wikimedia Commons (public domain).

The setup: two reports, 24 hours apart

The backdrop is not subtle. Goldman Sachs, in an October 2 note led by strategist Ben Snider, expects the S&P 500 to post 27% year-on-year earnings-per-share growth for the third quarter — and expects Nvidia and Micron alone to supply more than a third of it. AI infrastructure spending, the bank reckons, will drive more than half of the index's entire earnings growth. Ten companies, 68% of the growth. A colossally lopsided bet on a very small number of very large invoices.

And last week showed what happens when one of those invoices looks smaller than expected. The Financial Times reported that OpenAI had told investors its annualised revenue was approaching $50 billion at the end of September — roughly $20 billion below a $70 billion figure that had been circulating. The gap, it turned out, was mostly accounting: the higher number folded in gross revenue from cloud partners, while OpenAI books only its own net share on those deals, and the $70 billion figure never came from OpenAI at all. Comparing the two was shoddy arithmetic. The market did not care.

Nvidia fell 2.9%, Oracle 5.5% and Micron 4.8% on October 8, according to MarketWatch figures relayed by TheStreet; the Nasdaq slid about 1.3%, its worst session since mid-August. Arm, Intel and Marvell each dropped more than 6%. (We covered the $20 billion gap and the selloff in detail.) Ross Mayfield, an investment strategist at Baird, put the fear plainly: "The outlook for many technology stocks rests on investors' conviction that AI demand will keep growing, and that issues such as OpenAI earning less revenue than expected could spread through the supply chain for the AI buildout."

That is the trade walking into Wednesday: conviction, spread thin across a supply chain, resting on numbers that have to keep compounding. ASML and TSMC are the two companies that can show receipts.

What to watch at ASML on Wednesday

ASML's bar is the highest it has ever been, because ASML keeps raising it. In July the company lifted full-year 2026 guidance to €43–45 billion in sales with a 54–56% gross margin — up from €34–39 billion at the start of the year. For the third quarter it guided €11–12 billion in sales and a 55–57% margin. Consensus, per previews circulating this week, sits near €11.6 billion in revenue and a 55.7% margin: up 55% year on year, and the market wants the top of the range, not the middle.

Watch the full-year number first. With €8.77 billion banked in Q1 and €9.33 billion in Q2, a Q3 print near consensus leaves roughly €14.2 billion implied for Q4 — about 46% growth on last year's record quarter. Investors will want to know whether management defends that arithmetic or raises the guide again. Three raises in a year would be a statement.

Then watch what ASML will not say. The company has stopped reporting quarterly order bookings — Bloomberg quoted the logic as the metric "doesn't accurately capture business momentum" — after publishing its last figures in January: €13.2 billion of fourth-quarter bookings and a €38.8 billion backlog. Since then, order intake has been described as "very strong" (April) and "extremely strong" (July). Adjectives, not euros. On Wednesday's call, analysts will be listening for any adjective upgrade — or any hedge.

Christophe Fouquet, ASML's president and chief executive, set the tone in July: "Ongoing AI-related investments and continued progress in AI technologies are driving demand for advanced Logic and Memory chips, further strengthening the semiconductor industry's growth outlook." The company is acting like it believes him: plans to add 30% to low-NA EUV production capacity in 2027 (from around 65 systems to about 85), another 30% under investigation for 2028, and the same for DUV immersion tools. On September 8 it also expanded High-NA cooperation with Intel Foundry, Samsung and TSMC — the industry's next lithography leap, aimed at large-format masks and future production nodes.

The risk is China, and it is not small. Chinese customers are expected to account for around 20% of 2026 sales, down from about a third last year, and Washington keeps tightening the screws: a proposed MATCH Act would restrict even deep-ultraviolet tools and block servicing of installed machines. Fouquet has warned publicly, via the Financial Times, against overly broad export controls — his argument being that they push China to build its own alternatives faster. Add September's construction start on a new Eindhoven campus and a stock that is up roughly 80% since January (UBS still says Buy, €2,350 target), and Wednesday is a lot more than a quarterly print. It is a referendum on whether the equipment cycle has years left or is peaking.

What to watch at TSMC on Thursday

TSMC's revenue is already known — the company files monthly, which is precisely what makes Thursday interesting. September revenue was NT$511.86 billion, up 54.6% on a year ago (down 0.6% on August's record), taking the first nine months to NT$3.8987 trillion, up 41.1%. Add July and August and the quarter totals NT$1.494 trillion — about $46.7 billion at the NT$32 exchange rate TSMC assumed in guidance, comfortably above the $44.6–45.8 billion range it gave in July. (We covered that beat — and the stock's odd shrug — last week.) A Reuters survey puts third-quarter net profit near NT$740.8 billion, up about 64%.

So the sales line is settled. Thursday is about everything else: gross margin against the 65–67% guide, operating margin against 56–58%, and — the number that actually moves the stock — the fourth-quarter outlook. Three things will dominate the Q&A. First, 2-nanometre ramp and pricing: how fast the newest node fills, and whether margins survive it. Second, advanced packaging — CoWoS capacity remains the industry's binding constraint, and every hyperscaler wants more of it. Third, capital spending: how much of 2026's budget goes to Arizona and Kumamoto versus Taiwan, and what that does to returns.

Photo: the front of TSMC's Fab 6 in Taiwan, photographed in May 2025 — the circular window is designed to resemble a silicon wafer. TSMC holds its Q3 earnings conference on Thursday, October 15. Credit: 4300streetcar / Wikimedia Commons (CC BY 4.0).

The demand signals around the call are loud. AMD's Lisa Su has said she expects chip demand to stay sharply higher over the next few years; Samsung just posted a preliminary operating profit of KRW 107.4 trillion, up 782.5% on the year, on AI memory demand; Foxconn beat quarterly sales estimates. The question for TSMC's C.C. Wei is not whether demand exists — it is whether it exists at prices that keep a 65% gross margin intact while the company builds fabs on three continents at once.

The real question: billed revenue versus promised revenue

Here is the distinction this whole week turns on. TSMC's monthly filings are billed revenue — money invoiced, audited, in the bank. Most of what the AI trade is priced on is the opposite: promised revenue. Capex announcements, multi-year compute commitments, run-rates relayed to investors. Anthropic's leaked prospectus reportedly shows about $518 billion in cloud and compute commitments over the next decade, roughly 80% of it non-cancellable, sitting against a fraction of that in current revenue. OpenAI's $50 billion run-rate is real growth — up from roughly $20 billion at the start of the year — but the financing stacked on top of it assumes compounding that has to be close to perfect. As we reported last month, AI's debt machine is already creaking.

Wednesday is crowded for a reason. The same day ASML reports, Anthropic is holding a pre-IPO investor day in San Francisco — Bloomberg reported the date, citing people familiar with the matter, with formal IPO marketing targeted for the week of November 9 and trading before Thanksgiving, at a valuation investors whisper about in the $1.8–2 trillion range. Anthropic declined to comment and the timing could shift. But the symbolism is hard to miss: on the same morning, the company that sells the picks and the company that is the shovel-credit story both face the market.

And on Tuesday, the day before any of it, Britain's Parliament gets its say. The Business, Innovation, Science and Trade Committee has summoned Meta, Google, OpenAI and Anthropic — plus the government's AI Security Institute — to an evidence session on AI security on October 13. The MPs' questions, published by the committee, go straight for the industry's soft spots: should pre-release safety testing be legally mandatory, should serious incidents be mandatorily reported, and what stops competition from producing a race to the bottom on safety. It will not move a single wafer. It might move the regulatory weather around every company buying them.

Jensen Huang, who has done more than anyone to inflate this balloon, called the data-centre build-out "the largest infrastructure build-out in human history" at Davos in January. He may be right. But balloons and build-outs are different things, and this is the week the industry has to show which one it is building.

Our position: what a clean print actually looks like

Let me be blunt about what I expect, because previews that hedge everything are worthless. Both companies will beat. ASML will print near the top of its €11–12 billion range, TSMC will confirm margins near the top of its guide, and both stocks will probably wobble anyway — because this market stopped pricing chips months ago and started pricing faith. Samsung proved the pattern last week: a record KRW 107.4 trillion operating profit, up 782.5%, and the shares fell 2.42% on the day. Records get sold now. Only guidance gets bought.

So the pass mark is not the quarter. It is the sentence after the quarter. If Fouquet raises the full-year guide a second time, or even holds the €43–45 billion with conviction while describing order intake as anything stronger than "extremely", the equipment cycle has legs into 2027. If TSMC's fourth-quarter outlook implies monthly revenue staying above NT$500 billion — the level analysts are now treating as the new floor — the demand story survives its own success. Anything vaguer, and the October 8 selloff was not an overreaction. It was an early warning.

The uncomfortable truth is that both outcomes can be true at once: the AI boom can be real — the wafers are genuinely being printed, the revenue genuinely being billed — and still be financed in a way that ends badly. TSMC's filings tell you about the first. Nothing on Thursday's call can fully answer the second. But 48 hours of hard numbers is the closest this market gets to the truth, and after a month of slide decks and leaked prospectuses, it is overdue.

Samsung closes the loop on October 29

The trilogy ends two weeks later. Samsung publishes full third-quarter results on October 29, with a conference call at 10:00 Korea time, and the divisional breakdown will show how much of that record KRW 107.4 trillion operating profit came from memory — and how much of the memory profit survives into a fourth quarter where price gains are already moderating and the won is strengthening. Memory is the most honest cyclical signal in semiconductors. If Samsung's call is cautious, believe it over every AI keynote you have watched this year.

Sources: ASML Q2 2026 results release (July 15, 2026, via SEC Form 6-K); TSMC quarterly results page (investor.tsmc.com); TSMC September 2026 monthly revenue filing; Goldman Sachs Q3 2026 earnings preview (Oct 2, via strategist Ben Snider); Financial Times via TheStreet/MarketWatch (Oct 8 selloff); Bloomberg via Asianet Newsable (Anthropic IPO timeline); UK Parliament committees.parliament.uk (Oct 13 evidence session); Samsung Electronics 3Q 2026 earnings notice (Investegate); Reuters (Samsung preliminary results, TSMC profit survey).

Daniel Rao covers semiconductors and the AI supply chain for TechPulse USA.