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Broadcom fell 4.35% to $360.14 on Thursday, and FinanceFeeds asks whether the drop was about OpenAI, Anthropic, or both.

A 4.35% drop in a major AI chip supplier ties share-price risk to expectations for OpenAI and Anthropic spending, showing investors are highly sensitive to frontier-lab demand.

Trade pressSlicast · October 11, 2026 at 16:08 UTC · US · Source: FinanceFeeds

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Broadcom closed at $360.14 on Thursday 8 October 2026, down 4.35 percent, after OpenAI's annualized revenue was put at about $50 billion rather than $68 billion. Was that drop about OpenAI, about Anthropic, or about both?

The obvious reading is that Thursday's drop priced Broadcom's exposure to OpenAI and Anthropic at once. It did not. The drop was about OpenAI.

Broadcom, Nasdaq ticker AVGO, closed at $360.14 on Thursday 8 October 2026, down 4.35 percent from Wednesday's $376.51 close in the Nasdaq series saved for this piece. OpenAI's annualized revenue was put at about $50 billion that session, against a widely reported $68 billion figure that included partners' gross revenue for comparison with Anthropic. Friday 9 October, the last official US cash close, finished at $361.54, up 0.39 percent, or $1.40.

Anthropic's loan of up to $42 billion was reported on 1 October. From that session's $343.64 close to Wednesday's $376.51, AVGO rose 9.57 percent. A customer already in the price, and rallied through, did not do Thursday's work. Anthropic explains why the higher OpenAI print existed. It is not the fact that changed on Thursday.

### Key facts

- **Thursday 8 October 2026 close:** $360.14, down 4.35 percent from Wednesday's $376.51. Session low $357.41, 5.07 percent under Wednesday. Friday 9 October close: $361.54, up 0.39 percent. Source: Nasdaq daily history, saved 11 October 2026.

- **OpenAI revenue:** Annualized revenue was roughly $50 billion at the end of September, versus $68 billion widely reported. The higher figure included partners' gross revenue for comparison with Anthropic. Source: Danny Vena, *The Motley Fool*, 8 October 2026.

- **Financial Times account:** The prior figure was put near $70 billion, a $20 billion gap, and blamed on a comparison with Anthropic. AMD fell 3.9 percent, Nvidia 2.9 percent, and Broadcom 4.3 percent on MarketWatch's rounding. OpenAI did not immediately respond. Source: MarketWatch, via Morningstar, 8 October 2026.

- **Financing report:** On 7 October the *Wall Street Journal* said Broadcom was arranging more than $50 billion for the custom chip it is developing with OpenAI. Apollo and Blackstone had been approached. Talks were early. Source: InvestingLive, citing the *Journal*, 7 October 2026.

- **Anthropic loan:** On 1 October, not 8 October, Reuters said Broadcom had agreed to lend Anthropic up to $42 billion, about a third of a $125.2 billion five-year TPU lease. Broadcom did not comment. Anthropic declined. Source: The Next Web, citing Reuters, 1 October 2026.

- **Fiscal third-quarter results:** AI semiconductor revenue was $16.7 billion. Fourth-quarter AI revenue was expected at $21.7 billion. Hock Tan said supply was secured for $115 billion in fiscal 2027, with line of sight to $230 billion in fiscal 2028. Source: Dow Jones, via Morningstar, 3 September 2026.

- **Bloomberg post:** Bloomberg's X account posted at 00:00 GMT on 8 October (20:00 Eastern on 7 October, after the cash close) that Broadcom was arranging more than $50 billion for the OpenAI chip. Source: @business, 8 October 2026, 00:00 GMT.

### What just happened, and why the joint-exposure reading is wrong

Thursday has two OpenAI clocks. Neither is a new Anthropic document. The financing headline landed after Wednesday's close. The revenue headline landed during Thursday's session. The columns that named a catalyst named the revenue figure.

Wednesday closed at $376.51. Thursday opened at $370.62, already $5.89, or 1.56 percent, under that close. The high was $373.35, still $3.16, or 0.84 percent, short of Wednesday. The stock never traded back to the prior close. The low was $357.41, and the close was $360.14. Volume was 27,145,240 shares, about 1.5 times Wednesday's 18,046,100, and still below Tuesday's 30,834,300 on an up day. Friday's 16,843,810 shares and a $1.40 bounce to $361.54 did not repair it. Friday is still 3.98 percent under Wednesday.

Danny Vena, writing Thursday, called the revenue news the catalyst. He put the intraday drop at as much as 5.1 percent and the close at 4.4 percent down. The saved low is 5.07 percent under Wednesday, and the close is 4.35 percent under it. MarketWatch's 4.3 percent is that close rounded to one decimal. A Friday post from @scalethesis used 4.4 percent. One print, three roundings.

The wires disagree on the old number. Vena said roughly $50 billion against $68 billion that included partners' gross revenue, so OpenAI could be compared with Anthropic. MarketWatch, citing the *Financial Times*, said the prior indication was close to $70 billion. TechCrunch quoted the cause as "attempts by OpenAI's own investors to produce a direct comparison with Anthropic's annualised revenues." Eighteen billion is 26.5 percent of $68 billion. Twenty billion is 28.6 percent of $70 billion. Neither gap is a cancelled order.

The financing report is also about OpenAI. The *Journal* account said the talks were early, could change in size, and were hoped for before year-end. Anthropic appears there only as another lab that cannot buy the hardware outright. That is not a Thursday Anthropic filing.

### Who is exposed

On the 2 September call, as Dow Jones reported it, the named custom-chip customers are OpenAI, Anthropic, and Google. Tan said shipments of the latest Google TPUs and of Jalapeno had begun, and that OpenAI's second and third generations were already in development. Custom chips were 73 percent of the $16.7 billion in AI semiconductor revenue for the quarter ended 2 August. Company revenue that quarter was $29.59 billion. The fourth-quarter company guide was $34.8 billion, with AI revenue expected at $21.7 billion.

OpenAI is the customer whose revenue figure changed on Thursday, and the customer in the financing talks that were reported Wednesday night. More than $50 billion of proposed chip financing is about one year of the $50 billion net run rate. TechCrunch noted that OpenAI raised $122 billion in a March round alone, which is why a smaller denominator moves the suppliers. The capital was raised against a growth story, and Thursday marked the net figure down.

Anthropic's lease was described on 1 October, not on Thursday. Forty-two divided by 125.2 is 33.5 percent, about a third of the $125.2 billion five-year TPU lease. The notes can convert into Anthropic shares. Reuters said Anthropic was on course to become Broadcom's largest compute customer in 2027. Google designs those TPUs with Broadcom. Thursday's wires reported no change in that lease.

Apollo and Blackstone had been approached, but the *Journal* account does not say they signed. Oracle was part of the same story on its own chip financing, covered in the Oracle report from this session. This piece does not re-trade that stock. Earlier Broadcom pieces, the 29 September prediction and the 3 September earnings piece, used other price levels for their bull and bear cases. Those prices are not reused here. The reference price for this piece is Friday's $361.54.

### What the tape actually shows

Closes below are the Nasdaq daily prints saved for this article. Change is versus the prior close in that file. 1 October is the Anthropic prospectus day. 8 October is the OpenAI revenue day. Friday is the last official cash close.

|---|---|---|---|---|

| Wed 30 Sep 2026 | $351.19 | — | 19,760,690 | Last close before the Anthropic loan report |

From 1 October to 7 October the stock rose $32.87, or 9.57 percent. Thursday gave back $16.37. Friday recovered $1.40 of that, or 8.6 percent of the dollars lost. The unrecovered gap versus Wednesday, measured from Friday, is $14.97, or 4.14 percent of $361.54. A joint-exposure story has to explain a 9.57 percent rally after the Anthropic loan, followed by a break on the day the OpenAI figure changed.

| | OpenAI | Anthropic |

|---|---|---|

| **What changed on 8 October** | Revenue put near $50 billion, versus $68 billion or about $70 billion | No new filing in the sources read for this piece |

| **Financing** | More than $50 billion, early talks, *Journal*, 7 October, not closed | Up to $42 billion, Reuters, 1 October |

| **Chip** | Jalapeno. Shipments had begun, per the 2 September call | TPUs designed with Google. $125.2 billion lease |

| **Path of AVGO** | Down 4.35 percent on Thursday, up 0.39 percent Friday | Down 2.15 percent on 1 October, then up 9.57 percent by 7 October |

*Broadcom (AVGO) official daily closes from Nasdaq, 1 October 2025 through Friday 9 October 2026. Thursday 8 October and Friday 9 October are marked. Source: Nasdaq historical quotes, saved 11 October 2026.*

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