ChatGPT's sustained position as the top free U.S. iOS app through mid-September 2026 underpins its 65.5% market-implied probability for September 18. Recent App Store data shows the OpenAI app holding the overall #1 free ranking with strong productivity category leadership, fueled by ongoing large language model enhancements, image generation tools, and high user retention amid competition from Claude and Gemini. Lower-probability contenders like Vinted and Muse from Meta sit at #3 and #4, while TikTok Pro and Google apps trail further; no major releases or regulatory shifts have disrupted the pattern in the past week. With only days until resolution, traders appear to weigh ChatGPT's entrenched download momentum and benchmark performance against the risk of sudden viral spikes in rival apps.
Riepilogo sperimentale generato dall'AI con riferimento ai dati di Polymarket. Questo non è un consiglio di trading e non ha alcun ruolo nella risoluzione di questo mercato. · Aggiornato#1 App gratuita nell'App Store Apple negli Stati Uniti il 18 settembre?
ChatGPT 66%
Muse 11%
Vinted 9%
TikTok Pro - Events 6%

ChatGPT
66%

Muse
11%
Vinted
9%

TikTok Pro - Events
6%

Google Maps
4%

Google Gemini
3%
ChatGPT 66%
Muse 11%
Vinted 9%
TikTok Pro - Events 6%

ChatGPT
66%

Muse
11%
Vinted
9%

TikTok Pro - Events
6%

Google Maps
4%

Google Gemini
3%
If the chart is unavailable at 12:00 PM ET, this market may remain open for up to 48 hours to allow for the data to become available. If the data remains unavailable, this market will resolve according to the last published ranking.
To find the overall chart, click "Apps" at the bottom of the US iOS App Store app, scroll down to "Top Free Apps" and click "See All". Then under "Free Apps" in the "Top Charts" section, you'll see the list that will be used as the resolution source to this market (https://apps.apple.com/us/charts/iphone).
Mercato aperto: Sep 11, 2026, 8:30 PM ET
Risolutore
0x69c47De9D...If the chart is unavailable at 12:00 PM ET, this market may remain open for up to 48 hours to allow for the data to become available. If the data remains unavailable, this market will resolve according to the last published ranking.
To find the overall chart, click "Apps" at the bottom of the US iOS App Store app, scroll down to "Top Free Apps" and click "See All". Then under "Free Apps" in the "Top Charts" section, you'll see the list that will be used as the resolution source to this market (https://apps.apple.com/us/charts/iphone).
Risolutore
0x69c47De9D...ChatGPT's sustained position as the top free U.S. iOS app through mid-September 2026 underpins its 65.5% market-implied probability for September 18. Recent App Store data shows the OpenAI app holding the overall #1 free ranking with strong productivity category leadership, fueled by ongoing large language model enhancements, image generation tools, and high user retention amid competition from Claude and Gemini. Lower-probability contenders like Vinted and Muse from Meta sit at #3 and #4, while TikTok Pro and Google apps trail further; no major releases or regulatory shifts have disrupted the pattern in the past week. With only days until resolution, traders appear to weigh ChatGPT's entrenched download momentum and benchmark performance against the risk of sudden viral spikes in rival apps.
Riepilogo sperimentale generato dall'AI con riferimento ai dati di Polymarket. Questo non è un consiglio di trading e non ha alcun ruolo nella risoluzione di questo mercato. · Aggiornato

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