Will AI app downloads array index for October 2026 be above 450?

If the Carbon Arc AI app downloads array index (October 2026) for October 2026 is above 450, then the market resolves to Yes. For purposes of this market, determination will resolve on the Carbon Arc AI Chat Apps Array value for the full month covered by this market, as recorded by Kalshi at 11:59 p.m. ET on the 7th calendar day after the end of that month. For example, the value for August is recorded at 11:59 p.m. ET on September 7th. Later corrections or revisions will not affect the recorded value. The reference is Carbon Arc's published full-month AI Chat Apps Array level: https://www.carbonarc.co/prisms?prism=7892a60d-ce75-4eba-98aa-460b93a4f33b. The array is the equally weighted arithmetic mean of its constituent year-over-year indices. At listing, its members are ChatGPT, Claude, Gemini and Grok, weighted 25% each. Each constituent index is 100 when its measured value equals the same month of the previous year; the array averages these indices. Kalshi is not affiliated, associated, authorized, endorsed by, or in any way officially connected with the underlying companies. All trademarks, logos, and brand names are the property of their respective owners.