Resolution criteria on PolyGram: 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 “Paid 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 Paid Apps” and click “See All.” Then under “Paid Apps” in the “Top Charts” section, you’ll see the list that will be used as the resolution source for this market (https://apps.apple.com/us/iphone/charts/36?chart=top-paid).
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
| Procreate Pocket | 1% YES | 99% NO |
| App I | 50% YES | 50% NO |
| AnkiMobile Flashcards | 1% YES | 99% NO |
| TonalEnergy Tuner & Metronome | 2% YES | 99% NO |
| AutoSleep: Watch Sleep Tracker | 1% YES | 99% NO |
| SkyView | 1% YES | 99% NO |
| App A | 50% YES | 50% NO |
| App H | 50% YES | 50% NO |
The prediction market is asking which application will occupy the #1 position in Apple's US App Store paid apps ranking on 5 June 2026. This ranking reflects genuine consumer purchasing behaviour, with the top position typically held by established productivity, gaming, or utility applications that command premium pricing. The current 1% implied probability reflects the order book's assessment that the incumbent leader—likely a long-established app with sustained demand—will retain its position across the six-month forecast window.
Historical patterns show the top paid app slot remains remarkably stable, dominated by applications like Procreate, Minecraft, or Adobe Creative Suite products that maintain consistent purchasing volume. Displacement typically requires either a major new release from an established publisher or a viral phenomenon with sustained monetisation. The 1% probability suggests traders view a significant disruption as unlikely, given the entrenched positions of current leaders and the relatively high barrier to entry at the premium tier of the App Store's paid rankings.
Traders monitoring this market should track major app announcements from large publishers, particularly gaming studios or creative software companies, scheduled for early 2026. iOS version updates or changes to App Store ranking algorithms could theoretically shift purchasing patterns, though Apple's algorithm changes are rarely announced in advance. The specific resolution date of 5 June falls outside typical major release windows, which historically cluster around September and March, further supporting the low probability estimate currently reflected on Polymarket's order book.
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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 "#1 Paid App in the US Apple App Store on June 5?" 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.
$5K in lifetime turnover and $11K of resting liquidity puts this market in the below the median by volume for tech contracts on PolyGram. Order-book depth is modest — expect a couple of cents of slippage on $1k+ trades.
Last 24 hours alone saw $330 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 6 June 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.
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