---
title: "AI app downloads array index in October 2026"
canonical_url: https://betcrypto.now/events/ai-app-downloads-array-index-in-october-2026
status: live
trading_closes_at: 2026-11-08T04:59:00+00:00
total_volume_usd: 41895.79
venues: ["Kalshi"]
categories: ["Markets"]
prices_as_of: 2026-11-07T04:14:47+00:00
publisher: BetCrypto
data_api: https://betcrypto.now/api/v1/events/ai-app-downloads-array-index-in-october-2026
---

# AI app downloads array index in October 2026

Live · $41,896 traded · listed on Kalshi

## About

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.

_From Kalshi's listing._

## Main market

| Outcome | Probability | Cheapest | Kalshi |
|---|---|---|---|
| Above 300 | 99% | 99¢ on Kalshi | 99¢ |
| Above 350 | 99% | 99¢ on Kalshi | 99¢ |
| Above 400 | 99% | 99¢ on Kalshi | 99¢ |
| Above 450 | 99% | 99¢ on Kalshi | 99¢ |
| Above 500 | 99% | 99¢ on Kalshi | 99¢ |
| Above 550 | 99% | 99¢ on Kalshi | 99¢ |
| Above 575 | 99% | 99¢ on Kalshi | 99¢ |
| Above 600 | 99% | 99¢ on Kalshi | 99¢ |
| Above 625 | 2% | 2¢ on Kalshi | 2¢ |
| Above 650 | 2% | 2¢ on Kalshi | 2¢ |
| Above 700 | 2% | 2¢ on Kalshi | 2¢ |
| Above 750 | — | 2¢ on Kalshi | 2¢ |
| Above 800 | — | 2¢ on Kalshi | 2¢ |

## Open on a venue

- [Kalshi](https://betcrypto.now/go/e/963159?via=md)

---

Probability is the cross-venue consensus (book midpoints, 0–100%). Venue columns are what buying costs there (the ask). Prices move constantly; re-check at the canonical URL or the [JSON API](https://betcrypto.now/api/v1/events/ai-app-downloads-array-index-in-october-2026).

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