This market has closed
Trading ended on Apr 10, 2026. The prices below are the last ones before it closed and no longer update. Browse open markets
Odds by venue
Consensus blends each venue’s last price, weighted by how much has traded there. Best Yes price is the cheapest ask across venues, and the payout is what a winning $100 stake returns before fees. Open a row for each venue’s contract name, bid and ask, and how closely their rules match.
Prices come from our regular polls of each venue, the oldest 195 days ago. Ages are as of when this page was built.
- Polymarket
ChatGPT0.1%0.1%— bid, 0.1¢ askpolled, 4697 h ago0.1¢ on Polymarket$100 pays $100,000 (1000x)ChatGPT0.1%Polymarket 0.1%polled, 4697 h agoBest Yes 0.1¢ on Polymarket, $100 pays $100,000 (1000x)
- Contract
- ChatGPT
- Last price
- 0.1%
- As of
- Polled 195 d ago
- Buy Yes
- 0.1¢
- Sell Yes
- —
- $100 on Yes pays
- $100,000 (1000x)
- Volume
- $62K
Who resolves this market
- Polymarket resolves via:

- UMA optimistic oracle
How the odds have moved
The leading outcome on both venues, with the consensus between them. Hover for exact values.
- ChatGPT
About this market
Final prediction market prices for "#1 Free App in the US Apple App Store on April 10?". ChatGPT last traded at 0.1%. $92K has traded across 1 outcome on Polymarket. The market closed on Apr 10, 2026.
This market will resolve according to the iOS app, ranked #1 in the United States on the iPhone Apple App Store's overall Top Charts under "Free Apps", as of 12:00 PM ET on the specified date. 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).
Questions
What does the consensus price mean?
It is the price of a Yes contract that pays $1 if the outcome happens. A 14¢ price means traders put the chance near 14%. Where two venues list the same outcome, we blend their last prices, weighting the venue with more trading volume more heavily (neither counts for less than a quarter). When only one outcome can win, each venue’s prices add up to a little over 100% (its margin); the fair chance removes that margin so the outcomes add up to exactly 100%.
How is the payout worked out?
A Yes contract pays $1 if it wins, so at the best ask a $100 stake buys 100 ÷ ask contracts. At 18¢ that is about 555 contracts, paying $556 (5.56x) if Yes happens. Venue fees and price slippage on larger orders are not included.
Why do the venues show different prices?
Each venue has its own traders, fees and order book. Contracts can also settle on slightly different terms, which is why each row lists how closely the rules match.
Is a price gap an arbitrage?
Only when you can buy Yes on one venue below what someone pays for Yes on the other, after fees, and both contracts settle the same way. We show the executable bid and ask so you can check.
How fresh are these prices?
Venue prices refresh every few minutes, and the order book and live quotes stream continuously. Each venue’s card shows when we last observed it.
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