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AI Market · Forecast desk · Live · networking

38%

A second non-Broadcom vendor (Marvell or Credo) cites a 1.6T or co-packaged-optics production design win by September 30, 2026.

Probability history

0%25%50%75%100%06-20deadline

Called at 55% on June 20, 2026. Not yet repriced. 19 days past deadline, awaiting adjudication.

How the number was built

Final method: stacked-fixed-weights (resolved n=74 < 80). Each rung is an independent estimate; the final is a stacked combination.

Stated (issue date)55%
Reference class (n=37)46%
Recalibrated53%
Feature model32%
Council33%
Final38%

Drivers

  • Reference class qtype:disclosure runs 0.46 (n=37) vs stated 0.55.
  • Hierarchical calibration moves stated 0.55 to 0.53 (lens networking, kappa_stated=80.0, kappa_lens=200.0).
  • Feature model at 0.32: conjuncts=1, named disclosure=True, horizon=102d.
  • Council of 5 at 0.33.

Cautions

  • all 5 votes came from one vendor (openai); extremization disabled, persona diversity only

Council

5 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, aggregated by log odds mean without extremization.

36%

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

The deadline has passed, and the supplied digest shows strong networking demand—Credo T4Q revenue grew 331% and Marvell 31%—but no qualifying earnings-call citation. The rule is disclosure-specific: a non-Broadcom vendor must explicitly connect 1.6T or CPO to a hyperscaler design win. Vendors often discuss product roadmaps, sampling, or unnamed customer engagement without stating a design win, and ambiguity counts as failure. Networking and comparable 0.50–0.59 forecasts have realized at only 0.346 and 0.300, respectively. Strong demand raises the chance above a purely linguistic base rate, but not to the forecaster’s 0.55.

32%

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

Marvell and Credo had plausible 1.6T programs and strong data-center demand, with CRDO revenue up 331% and MRVL up 31% T4Q. However, the rule requires more than product sampling or generic cloud traction: a vendor had to cite a design win and explicitly connect 1.6T or CPO to a hyperscaler by September 30. Vendors commonly withhold hyperscaler identities and describe qualifications as engagements rather than wins. The supplied digest contains no qualifying statement, and ambiguity resolves against a hit. This makes the forecaster’s 0.55 look high relative to the 0.346 networking base rate and its poorly calibrated confidence band.

36%

capital markets credit analyst · openai/gpt-5.6-sol

The deadline has passed, but the supplied digest contains no qualifying earnings-call excerpt. Strong Credo and Marvell growth makes hyperscaler networking wins plausible, yet the rule requires explicit 1.6T or CPO language, a hyperscaler linkage, and a second named vendor. Vendors often discuss customer engagement, sampling, or ramps without calling them design wins or identifying the customer class clearly enough. Networking and disclosure base rates, plus the forecaster’s realized 0.375 outcome rate in this confidence band, support a probability materially below the stated 0.55. Ambiguity resolving against the forecast further reduces it.

27%

superforecaster statistician · openai/gpt-5.6-sol

Base rate: 0.346 from the networking reference class, corroborated by the 0.300 rate for forecasts initially stated at 0.50–0.59. I adjust downward because resolution requires a vendor-specific, technology-specific, hyperscaler-linked disclosure by a hard date, not merely strong networking demand. Credo’s 331% and Marvell’s 31% trailing revenue growth support underlying deployment activity but do not establish 1.6T/CPO wording or a hyperscaler design win. The deadline has passed, and the supplied post-deadline digest contains no qualifying disclosure. The forecaster’s 0.50–0.60 band has also been materially overconfident.

32%

geopolitics regulation analyst · openai/gpt-5.6-sol

The deadline has passed, but the supplied digest contains no qualifying earnings-call or release language. Credo’s 331% trailing revenue growth and Marvell’s 31% growth support strong hyperscaler connectivity demand, yet neither establishes a 1.6T or CPO design win. The literal test is disclosure-heavy: the second vendor, technology, and hyperscaler connection must all appear by September 30. Networking and disclosure ledger base rates are only 0.346 and 0.461, respectively, and ambiguity resolves against a hit. This makes the forecaster’s 0.55 too high despite favorable industry momentum.