Resolution criteria on PolyGram: This market will resolve according to the iOS app, ranked #2 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).
PolyGram is an on-chain prediction market where you trade YES or NO outcome shares with real USDC on Polygon. For this market, buy YES if you believe the event will happen, or NO if you think it won't. Your maximum loss is your stake — winning shares pay $1.00 each at resolution. Unlike sportsbooks, there is no house edge: prices are set by supply and demand from other traders and reflect the crowd's real-time probability.
Market outcomes
| Claude by Anthropic | 81% YES | 19% NO |
| CapCut: Photo & Video Editor | 3% YES | 97% NO |
| App G | — | |
| Other | — | |
| ChatGPT | 4% YES | 96% NO |
| Google Gemini | 3% YES | 97% NO |
| 1% YES | 99% NO | |
| App D | — | |
The #2 position in Apple's US free app rankings represents a highly volatile slot, typically occupied by social media, messaging, or gaming applications that experience daily fluctuations based on user engagement, marketing campaigns, and organic download trends. The settlement hinges on the specific ranking snapshot at 12:00 PM ET on 12 May 2026, using Apple's official Top Charts data for the iPhone's "Free Apps" category. Current order book activity on Polymarket reflects an 85% implied probability, suggesting the market perceives substantial stability in whichever application currently holds or is expected to hold this position.
Historical precedent indicates that apps maintaining top-three rankings typically remain entrenched for weeks or months, particularly if they are established platforms like TikTok, Instagram, WhatsApp, or YouTube. However, viral launches, algorithm shifts, or coordinated promotional campaigns can displace incumbents within days. The 15% discount priced into the NO side likely accounts for the possibility of an unexpected surge by a competing application or a temporary ranking disruption.
Traders should monitor Apple's App Store feature placements and any major app launches scheduled near the resolution date, as featured prominence significantly drives downloads. Additionally, any announcements regarding algorithm changes to Apple's ranking methodology—though rare—could alter competitive dynamics. Real-world catalysts include seasonal app trends, holiday promotions, and major tech announcements that might drive users toward specific categories. The current probability reflects confidence in ranking stability rather than certainty about a specific app's identity.
Twins is a Hong Kong pop duo formed in 2001 by Emperor Entertainment Group (EEG) and composed of Charlene Choi and Gillian Chung.
Resolution is handled by the UMA optimistic oracle on Polygon. A proposer submits the outcome, a two-hour dispute window opens, and if no one stakes a counter-claim the payout is final. Contested outcomes escalate to UMA token-holder voting. Payouts clear in USDC to the winning side.
The mechanics for trading "#2 Free App in the US Apple App Store on May 12?" are the same as any other PolyGram event contract. Each YES share resolves to $1 if the event happens, or $0 if it doesn't. The current price between 0¢ and 100¢ is the market's probability estimate, set live by the order book.
$2K in lifetime turnover and $3K of resting liquidity puts this market in the below the median by volume for app store contracts on PolyGram. Order-book depth is thin — large orders may need to be split across the book or executed as limit orders.
Last 24 hours alone saw $1K in turnover, well above the lifetime daily-average for this market — a clear sign of news catalysing trader activity right now.
The market has been open for under a month — fresh enough that information asymmetry remains a real factor.
Higher-volume markets tend to have tighter spreads and faster price discovery — meaning the displayed YES/NO percentages are more likely to reflect the true crowd-implied probability rather than a single trader's directional view.
Resolution is handled by the UMA optimistic oracle on Polygon. A proposer submits the outcome, a 2-hour dispute window opens, and if uncontested the payout is final. Contested outcomes escalate to UMA token holders.
This prediction market is scheduled to close on 12 May 2026. After the resolving event occurs, settlement typically clears within 24 hours once the UMA optimistic oracle confirms the outcome. All payouts are in USDC on the Polygon network.
To trade on this prediction market, create a free PolyGram account at polygram.ink, deposit USDC via Polygon, and place a YES or NO order on the outcome you believe in. You can learn more on our how-it-works page. Your maximum loss is limited to your stake — there is no leverage or margin.
When the outcome is determined, winning YES shares pay out $1.00 each in USDC, while losing shares pay $0. Settlement is handled by the UMA optimistic oracle on Polygon — a proposer submits the result, a two-hour dispute window opens, and if uncontested, payouts are distributed automatically. You can withdraw your winnings to any Polygon wallet.
Prediction-market positions can lose 100% of staked capital. Outcomes are uncertain by definition — historical accuracy of crowd-implied probabilities is high in aggregate but not for any single market. PolyGram does not provide investment advice. Trade only with capital you can afford to lose.
Regulatory status varies by jurisdiction. Germany, the United States, and most EU countries treat Polymarket-style event contracts under one of three frameworks: financial derivative, gambling product, or unregulated novel asset. Consult local counsel before trading.
Explore more prediction market odds and trading opportunities on PolyGram: