TOTAL VOLUME:

$134.1b

24H VOL:

$133,388,117

24H TRANSACTIONS:

2,388,728,490

OPEN INTEREST:

$1,436,095,462

405,232

Markets across

30,526

events

MATCHED EVENTS:

2,693

PLATFORM COVERAGE:

5

Polymarket:

39%

VS.

Kalshi:

61%

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Science and Technology
#2 Paid App in the US Apple App Store on September 18?
polymarket

#2 Paid App in the US Apple App Store on September 18?

Volume:
$8,197

Shadowrocket

 - Polymarket

Shadowrocket - Polymarket

1W

News

Positive

Negative

Neutral

Hover marker for details

Vol.

·

Resolved Sep 18, 2026

Closed: Sep 18, 2:05 PM EST

polymarket

Polymarket

View
Outcome
Trade
Chance %
Price
Spread
Liquidity
Volume
24h
7d
Open Interest
Ends in
Result
polymarket

Shadowrocket

View
100%
90%
Yes 100¢No 0¢
9.9¢
N/A
$2,405
N/A
N/A
N/A
Settled
Yes
polymarket

HotSchedules

0%
51%
Yes 0¢No 100¢
—
N/A
$4,608
N/A
N/A
N/A
Settled
No
polymarket

AnkiMobile Flashcards

0%
3%
Yes 0¢No 100¢
—
N/A
$550
N/A
N/A
N/A
Settled
No
polymarket

TonalEnergy Tuner & Metronome

0%
Yes 0¢No 100¢
—
N/A
$328
N/A
N/A
N/A
Settled
No
polymarket

M8 Music Tracker

0%
2%
Yes 0¢No 100¢
—
N/A
$236
N/A
N/A
N/A
Settled
No
polymarket

Procreate Pocket

0%
Yes 0¢No 100¢
—
N/A
$71
N/A
N/A
N/A
Settled
No
polymarket

App A

N/A
N/A
100¢
N/A
N/A
N/A
N/A
N/A
Settled
No
polymarket

App B

N/A
N/A
100¢
N/A
N/A
N/A
N/A
N/A
Settled
No
polymarket

App C

N/A
N/A
100¢
N/A
N/A
N/A
N/A
N/A
Settled
No
polymarket

App D

N/A
N/A
100¢
N/A
N/A
N/A
N/A
N/A
Settled
No
polymarket

App E

N/A
N/A
100¢
N/A
N/A
N/A
N/A
N/A
Settled
No
polymarket

App F

N/A
N/A
100¢
N/A
N/A
N/A
N/A
N/A
Settled
No
polymarket

Other

N/A
N/A
100¢
N/A
N/A
N/A
N/A
N/A
Settled
No
Total markets: 13

Description

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 “Paid Apps”, as of 12:00 PM ET on the specified date. 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 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).

Polymarket

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 “Paid Apps”, as of 12:00 PM ET on the specified date. 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 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).

Frequently asked questions

On Polymarket, the dashboard for this market tracks the current odds of a paid app being ranked #2 in the US Apple App Store on September 18. You can view the probability of different outcomes, the price history of the market, and the 24-hour trading volume. Currently, the volume is $2,607, and the total volume traded to date is $8,193. This allows traders to understand market sentiment and activity related to the top US App Store apps.

Currently, the prevailing sentiment in this market suggests a high probability of a specific app reaching the #2 position. This differs from typical analyst forecasts, which often rely on download numbers and marketing spend, but may not fully capture the dynamic shifts in app store rankings. While analyst predictions are valuable, this market provides a real-time assessment of collective belief, reflecting a broader range of factors influencing app popularity. It's a fascinating comparison of expert opinion versus the wisdom of the crowd.

On Polymarket, this market is priced through a continuous auction mechanism, where traders buy and sell shares representing their belief in the outcome. The price of a share directly reflects the probability of the event occurring, as determined by supply and demand. On Polymarket, prices reflect that venue's order book, liquidity, and how traders price the outcome right now. The current price indicates the market's consensus view, and fluctuations reflect new information or changing sentiment. This dynamic pricing allows for a highly liquid and efficient market for forecasting the ranking of apps.

This market resolves around Sep 18, 2026, with the outcome confirmed once the event is verifiable from credible public reporting. Specifically, the ranking of paid apps in the US Apple App Store will be checked on September 18 to determine if an app occupies the #2 position. The resolution will be based on publicly available data from the Apple App Store, ensuring a transparent and objective assessment of the market's prediction. The outcome will be determined by the official App Store ranking at that specific time.

Several factors could significantly impact this market. A major marketing campaign launched by a competing app, a significant update to a popular app, or unexpected news coverage could all shift user preferences and alter app store rankings. Positive or negative reviews, viral social media trends, and even technical issues affecting app performance could also influence trading activity. Any event that changes the perceived likelihood of an app reaching the #2 position has the potential to move this market considerably before Sep 18, 2026.