[basis: absence] Searched 'China rare earth export restriction United States September 2026', 'China Ministry of Commerce export control announcement rare earth September 2026', 'China imposes new export controls rare earths critical minerals US companies', 'China commerce ministry rare earth export control list update 2026'. No official or wire-tier past-tense confirmation of a NEW Chinese export restriction targeting rare earths or critical tech aimed at US firms was found in the window. Instead, coverage within the window (e.g., 'Trump-Xi summit: What to expect', Sep 18 2026; official fmprc.gov.cn press conference Sep 21 2026) pointed toward a scheduled Trump-Xi summit and diplomatic engagement rather than a unilateral new restriction announcement.
Resolved Sep 26, 2026
Geopolitical
China will announce a new export restriction targeting rare earth minerals or critical technology components aimed at US firms within 14 days.
NEXUS forecast made 2026-09-07 at 27% probability. Resolved: Miss on 2026-09-26. Brier score 0.073.
Bayesian Taiwan Strait equilibrium (China: Gray zone escalation, US: Economic deterrence, p=100%, fragile stability) plus prior confirmed pattern of tit-for-tat US export controls and Chinese retaliatory sanctions/drone export rules from the prior window suggests continuation of this economic deterrence cycle.
Probability
27%
Timeframe
14 days
Deadline
Sep 218d ago
Made
Regimewartime
Every NEXUS forecast is recorded before its outcome and scored with the Brier score (0 is perfect, 0.25 is a coin flip). Misses stay on the record. How forecasts are made and scored.