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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 3565%
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, 2027480 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%09-0709-0709-08deadline

Registered at 50% on September 8, 2026. Engine repriced 2 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 2026-09-07

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 · 33%

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.

31%

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

The supplied guidance puts the central ratio near 19–22%, with the closest expected quarter around 22%. Reaching 25% therefore requires roughly 14% relative upside versus that pair—Broadcom materially outperforming while NVIDIA does not. Broadcom’s repeated AI-guide beats and potentially lumpy custom-silicon ramps create a credible transient-hit path, but NVIDIA’s rapid, supply-constrained growth raises the denominator and both firms’ demand surprises are correlated. I use five major-ramp quarterly forecast-error opportunities as the reference class, discounted heavily for serial correlation rather than treated independently. The 0.02 structural prior is poorly specified because it extrapolates only NVIDIA revenue and lacks the numerator.

38%

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

Five eligible pairs remain. The current ratio is 0.188, and supplied guidance points to roughly 0.19–0.22, so a hit needs at least a 14% relative overshoot even from the top of that range. My reference class is major custom-accelerator ramps: customer qualification and advanced-packaging or HBM constraints commonly shift volume by one or more quarters, while guidance beats are correlated rather than five independent chances. Broadcom’s repeated beats and lumpy hyperscaler ramps create a meaningful upside tail; an NVIDIA supply pause could also compress the denominator. Conversely, NVIDIA’s denominator is co-growing rapidly, and line-item discontinuation adds a small miss risk.

34%

enterprise-cio · openai/gpt-5.6-sol

Using supplier revenue-share thresholds during overlapping hyperscaler ramps as the reference class, I apply a roughly 0.27 annual crossing hazard over the remaining 1.32 years, implying about 0.34 after compounding. The ratio starts at 0.188 and supplied guidance centers subsequent quarters near 0.19–0.22, so a hit requires Broadcom to outperform NVIDIA by at least 14% relative even from 0.22. Five quarterly opportunities are highly correlated, not independent trials; NVIDIA’s supplied series also shows rapid denominator growth. Broadcom’s repeated guide beats and potentially lumpy ramps provide upside, but a $28B quarter alone may not clear the ratio. Reporting-continuity and exact pairing add downside.

37%

credit-analyst · openai/gpt-5.6-sol

The central guidance path remains a MISS: the ratio is 0.188 currently and roughly 0.19–0.22 through FY2027. Even from 0.22, qualifying requires about 0.14 relative upside from Broadcom outperformance, slower NVIDIA growth, or favorable quarterly lumpiness. The approximately five remaining observations are highly correlated, so they should not be treated as independent chances. My reference class is rapidly growing semiconductor businesses versus near-term guidance: a greater-than-0.10 relative beat can occur, but sustained denominator growth makes a one-quarter crossover less than even. Six prior Broadcom beats and custom-silicon lumpiness support meaningful upside. The structural prior is poorly specified because it extrapolates NVIDIA revenue alone, not the ratio. Reporting-line discontinuation adds modest downside.

29%

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

The baseline ratio is 0.188, so the threshold requires a 33% relative increase. The guidance path—about $29B versus at least $150B by late 2027—remains near 0.19, while Q4 implies roughly 0.22. A hit therefore needs a sizable relative Broadcom beat, NVIDIA slowdown, or quarterly lumpiness. I use a five-quarter reference class of relative-revenue races between high-growth semiconductor segments, discounting repeated opportunities because their demand trends are correlated. Broadcom’s beat history provides upside, but NVIDIA’s supply constraints support denominator growth. I give little weight to the 0.02 structural prior because it models NVIDIA alone. Reporting-line discontinuation adds slight downside.

31%

superforecaster-statistician · openai/gpt-5.6-sol

Base rate: I use 0.25 for a high-growth semiconductor supplier starting near a 0.19 revenue ratio to reach 0.25 within five quarterly comparisons. The current ratio is 0.188, while supplied FY2027 guidance centers near 0.19–0.22, so a HIT requires a material Broadcom beat, NVIDIA shortfall, or favorable quarterly lumpiness—not merely rapid growth by both. Broadcom’s six guide beats and Q4 indication near 0.22 raise the estimate, and multiple quarters provide several chances. NVIDIA’s indicated growth keeps the denominator difficult. I largely discount the 0.02 structural prior because it extrapolates NVIDIA revenue without Broadcom’s numerator. Finally, loss of either named disclosure automatically causes MISS.

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