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Radar · Compute supply and custom silicon · T1 · 2027 · CALL

Broadcom AI silicon reaches a quarter of NVIDIA datacenter

Broadcom's reported quarterly AI semiconductor revenue reaches at least 25% of NVIDIA's Data Center segment revenue for the nearest-ending NVIDIA fiscal quarter in at least one quarter reported on or before 2027-12-31.

CALLupindicators on trackregistered 2026-09-08BroadcomNVIDIA

ClaimBroadcom's reported quarterly AI semiconductor revenue reaches at least 25% of NVIDIA's Data Center segment revenue for the nearest-ending NVIDIA fiscal quarter in at least one quarter reported on or before 2027-12-31.
Consensus (implied)20%implied from Broadcom Q3 FY2026 earnings call (2026-09-04) and NVIDIA Q2 FY2027 earnings call (2026-08-26) · 2026-09-04
Distance+1.39log-odds · clearly above consensus
My confidence50%80% CI 35–65%
Engine9%-41 pts vs me · stacked-fixed-weights
Falsifies ifBroadcom AI revenue stays below 22% of NVIDIA Data Center revenue in every paired quarter through the Q3 FY2027 pair reported in September 2027.
HorizonDecember 31, 2027438 days · by end-2027 · Brier-scored

Why it matters

The custom-silicon share of accelerator spend decides how much of the AI capex cycle accrues to one vendor. If Broadcom closes to a quarter of NVIDIA's data center line, hyperscaler in-house chips are a second supply chain, not a hedge. Power and cooling design in the buildings then splits across two architectures.

Probability over time

0%25%50%75%100%09-0709-0709-0809-1209-1209-1909-1909-2610-0310-1010-1710-1710-1810-1810-19deadline

Registered at 50% on September 8, 2026. Engine repriced 14 times; now 9%.

Milestone ladder

Dated rungs. Each is scored on its own; the thesis does not get credit for the ladder until the rungs land.

0%50%100%2026-11-30m155%2027-06-30m255%

filled bar · my probabilityhollow dot · engineamber date · due, awaiting adjudication

m1 · 2026-11-30 · 55% · Marvell discloses the first attributable Custom Products revenue tranche under the Google relationship. on the Ledger ↗

m2 · 2027-06-30 · 55% · Broadcom reports a quarter with AI semiconductor revenue of at least $28B.

Leading indicators

Registered thresholds. Status is computed from the latest public reading.

Broadcom AI semiconductor revenue, quarterlyno data

— USD billions

2420no data yet

on track >= 24 · off < 20manual ↗

connector returned no usable reading · checked 2026-10-19

NVIDIA Data Center revenue, quarterlyon track

96.22 USD billions

110130

on track <= 110 · off > 130sec-xbrl ↗

series as of 2026-07-26

What would move me

Would raise my number

  • Broadcom raises FY2027 AI guidance above $130B or names a fourth XPU customer at volume.
  • NVIDIA Data Center revenue grows below 10% quarter over quarter for two consecutive quarters.
  • Google or Meta disclose TPU or MTIA capex as a majority of accelerator spend.

Would cut it

  • NVIDIA Data Center revenue exceeds $120B in a quarter before mid-2027.
  • Broadcom cuts or defers FY2027 AI revenue guidance.
  • A hyperscaler cancels or delays a named custom ASIC generation.

Council · 32%

6 personas on one model (openai/gpt-5.6-sol); other vendors were unavailable this run, so read this as one model's persona-averaged view.

37%

grid-and-power-planner · openai/gpt-5.6-sol

The baseline ratio is 18.8%, and the cited Q4 guide reaches only about 22%; hitting 25% requires roughly 14% relative outperformance from that near-term level. The FY2027 guidance midpoint is less favorable: approximately $29B quarterly Broadcom AI versus $150B-plus late-2027 NVIDIA Data Center, near 19%. Using lumpy custom-silicon ramps against a supply-constrained incumbent as the reference class, I assign roughly a 0.35 annual hazard of a temporary overshoot during the remaining 1.2 years. The five observations are highly correlated, precluding simple trial compounding. Broadcom’s beat streak helps, but NVIDIA upside and mandatory reporting continuity reduce the probability.

39%

semiconductor-supply-chain-analyst · openai/gpt-5.6-sol

The relevant reference class is five-quarter leading-edge accelerator/custom-silicon ramps, where volume often slips at least one quarter and successive outcomes are highly correlated. Broadcom must improve its relative position by 33% from the 18.8% baseline. FY2027 guidance instead implies roughly 19%, while the nearer Q4 indication around 22% still requires about 14% relative upside to cross 25%. Broadcom’s repeated guidance beats, lumpy XPU ramps, and NVIDIA supply constraints create a credible tail, especially around mid-to-late 2027, but NVIDIA can also beat and grow into additional supply. I largely disregard the 0.02 structural prior because NVIDIA revenue alone cannot model the numerator or ratio. Reporting-line discontinuation adds modest downside.

25%

enterprise-cio · openai/gpt-5.6-sol

The baseline ratio is 0.188, and supplied guidance implies 0.19–0.22 rather than 0.25. Even from 0.22, qualifying requires about 14% relative upside through faster Broadcom ramps, slower NVIDIA growth, or quarterly lumpiness. My reference class is one-year semiconductor guidance around major product ramps: beats occur, but customer schedules and supply affect both firms, making the five remaining observations highly correlated rather than independent trials. I use roughly a 0.23 annual hazard of one qualifying print, compounded over 14 months, then haircut for the literal reporting-line requirement. The $28B milestone would still be insufficient if paired NVIDIA Data Center revenue exceeds $112B.

30%

credit-analyst · openai/gpt-5.6-sol

The ratio must rise 33% from 18.8%, while supplied guidance suggests it remains near 19–22% as both businesses scale. The relevant reference class is five highly correlated quarterly threshold opportunities for fast-growing semiconductor lines, not five independent trials. Broadcom’s repeated guidance beats and potentially lumpy accelerator ramps create upside, especially in the earliest pairs before NVIDIA’s projected growth compounds. However, reaching $28B alone is likely insufficient if NVIDIA Data Center exceeds roughly $112B. I assign a modest quarterly crossing hazard, discounted for positive demand correlation and the explicit reporting-continuity condition. The 0.02 structural prior is uninformative because it extrapolates NVIDIA revenue without modeling Broadcom’s numerator.

37%

geopolitics-policy-analyst · openai/gpt-5.6-sol

The baseline ratio is 0.188; reaching 0.25 requires 33% relative outperformance. FY2027 guides instead center the ratio near 0.19–0.22, so a hit likely needs a lumpy Broadcom ramp, material guide beat, or NVIDIA miss. My reference class is five-quarter races between two hypergrowth semiconductor revenue series: I use about a 0.10 conditional quarterly crossing hazard, reflecting correlated demand and guidance below the threshold. Compounding across roughly five eligible releases gives about 0.41, then I discount for the automatic-miss risk if Broadcom changes or stops the named disclosure. The SEC total-revenue structural prior is not informative about this ratio.

28%

superforecaster-statistician · openai/gpt-5.6-sol

Base rate: I use a 0.20 chance that a fast-growing semiconductor supplier/platform revenue ratio starting near 0.19 crosses 0.25 within five quarterly reports, equivalent to roughly a 0.17 annual crossing hazard. Broadcom’s next-quarter guide reportedly approaches 0.22, repeated guidance beats and the any-quarter test raise the odds. However, the supplied company guidance centers future ratios around 0.19–0.22, so a hit requires a material relative surprise rather than ordinary execution. NVIDIA’s strong denominator growth, absent direct Broadcom indicator data, and automatic MISS if either named disclosure disappears reduce the estimate. I discount the 0.02 structural prior because it extrapolates NVIDIA revenue without the required Broadcom numerator.

Engine prior

2% from sec-xbrl-loglinear-bootstrap:li-2. log-linear growth +0.597/yr on the last 16 points, extrapolated from 2026-07-26; P(li-2 satisfies onTrack <= 110.0 at 2027-12-31); proxy for the thesis, not its rule