Google’s handling of Gemini 4 Argon sets the clearest precedent for Gemini 4 Carbon’s timeline. Argon moved from announcement to broad developer and consumer availability in roughly two weeks, and traders are pricing Carbon’s public release to follow the same cadence, placing November 10 at a 63% implied probability. The October 28 announcement confirmed limited initial access to select cyber defenders through the Fairwind Program while stating broader rollout would occur “as soon as possible,” with no subsequent updates altering that expectation. The market’s tight clustering around November 9–12 reflects this historical pattern and the absence of any signals pointing to extended delays or regulatory hurdles.