TOTAL VOLUME:

$142.4b

24H VOL:

$104,871,197

24H TRANSACTIONS:

2,643,541,936

OPEN INTEREST:

$1,592,701,755

469,827

Markets across

35,657

events

MATCHED EVENTS:

2,899

PLATFORM COVERAGE:

5

Polymarket:

38%

VS.

Kalshi:

62%

BETA
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Entertainment
Steam: Weekly Top Seller
🌟New
kalshi

Which game will be Steam's weekly top seller?

Oct 13, 2026, 11:10 AM EST - Oct 20, 2026, 10:00 AM EST
Total volume:
$43,480
Volume 24h:
$9,694N/A
Liquidity:
N/AN/A
Open interest:
$39,066
9%

AION 2

 - Kalshi

AION 2 - Kalshi

1W

News

Positive

Negative

Neutral

Hover marker for details

Vol.

·

Resolves Oct 20, 2026

Time left: 05d:09h:20m

Will AION 2 be #1 on Steam's Weekly Top Sellers - Top 100 products by revenue list for Oct 13 - Oct 20, 2026?

46%chance
Amount

$

Trade on
kalshi

Trade on Kalshi

Join Kalshi and score $25 for your first trade.At 45¢ buys you 222 shares | Odds: 46% Total Payout: $222 | Net Profit: $122 Multiplier: 2.22x | ROI: 122% APY not meaningful 5 days to resolution
You will be redirected to the platform to complete this trade.
Outcome
Trade
Chance %
Price
Spread
Liquidity
Volume
24h
7d
Open Interest
Ends in
Result
kalshi

AION 2

Trade
46%
22%
Yes 45¢No 75¢
20¢
N/A
$66
243%
N/A
$65
5d 9h 20m
active
kalshi

Planet Zoo 2

13%
8%
Yes 15¢No 93¢
8¢
N/A
$335
257%
N/A
$335
5d 9h 20m
active
kalshi

Counter-Strike 2

4%
Yes 4¢No 97¢
1¢
N/A
$26
0%
N/A
$26
5d 9h 20m
active
kalshi

STAR WARS: Galactic Racer™

3%
13%
Yes 3¢No 98¢
1¢
N/A
$5,872
535%
N/A
$2,059
5d 9h 20m
active
kalshi

Dota 2

3%
6%
Yes 3¢No 98¢
1¢
N/A
$2,140
3,999%
N/A
$1,540
5d 9h 20m
active
kalshi

Risk of Rain 2

2%
Yes 2¢No 99¢
1¢
N/A
$2,195
0%
N/A
$2,195
5d 9h 20m
active
kalshi

Dragon's Dogma 2

1%
Yes 1¢No 100¢
1¢
N/A
$3,702
0%
N/A
$3,702
5d 9h 20m
active
kalshi

WARDOGS

1%
Yes 1¢No 100¢
1¢
N/A
$3,200
3%
N/A
$3,200
5d 9h 20m
active
kalshi

Risk of Rain 2: Hallowed Concepts

1%
Yes 1¢No 100¢
1¢
N/A
$2,894
0%
N/A
$2,894
5d 9h 20m
active
kalshi

Overwatch®

1%
Yes 1¢No 100¢
1¢
N/A
$2,700
0%
N/A
$2,700
5d 9h 20m
active
kalshi

Gears of War: E-Day

1%
Yes 2¢No 99¢
1¢
N/A
$2,100
0%
N/A
$2,100
5d 9h 20m
active
kalshi

ARC Raiders

1%
Yes 1¢No 100¢
1¢
N/A
$2,100
0%
N/A
$2,100
5d 9h 20m
active
kalshi

Clive Barker's Hellraiser: Revival

1%
Yes 1¢No 100¢
1¢
N/A
$2,100
0%
N/A
$2,100
5d 9h 20m
active
kalshi

Dead by Daylight

1%
Yes 1¢No 100¢
1¢
N/A
$2,100
0%
N/A
$2,100
5d 9h 20m
active
kalshi

Dragon's Dogma 2: Dark Arisen Expansion

1%
Yes 1¢No 100¢
1¢
N/A
$2,100
0%
N/A
$2,100
5d 9h 20m
active
kalshi

MapleStory

1%
Yes 1¢No 100¢
1¢
N/A
$2,100
0%
N/A
$2,100
5d 9h 20m
active
kalshi

Steam Deck

1%
Yes 1¢No 100¢
1¢
N/A
$2,100
0%
N/A
$2,100
5d 9h 20m
active
kalshi

ARC Raiders - Frozen Trail Collector Set

1%
Yes 1¢No 100¢
1¢
N/A
$2,100
0%
N/A
$2,100
5d 9h 20m
active
kalshi

ACE COMBAT 8: WINGS OF THEVE

1%
Yes 1¢No 100¢
1¢
N/A
$1,800
0%
N/A
$1,800
5d 9h 20m
active
kalshi

Dressmaker

1%
Yes 1¢No 100¢
1¢
N/A
$1,700
0%
N/A
$1,700
5d 9h 20m
active
kalshi

Marvel Rivals

1%
Yes 2¢No 99¢
1¢
N/A
$50
0%
N/A
$50
5d 9h 20m
active
kalshi

Scam With Your Friends

N/A
N/A
4¢
N/A
N/A
N/A
N/A
N/A
5d 9h 20m
active
Total markets: 22

Description

This event tracks which game or software title achieves the highest sales ranking on Steam's US platform during a specific week. Participants can speculate on whether a particular title will lead in revenue generation over that period, reflecting consumer preferences and market trends.

Kalshi

The event determines the weekly top-selling title on Steam's USA platform for the period of October 13 to October 20, 2026, based on revenue generated within the Top 100 products list. Each market corresponds to a specific game or software title, and the market resolves to 'Yes' if that title secures the #1 position on the specified list for the defined week. All markets share the same evaluation criteria and timeframe, with the outcome dependent solely on Steam's published sales rankings. Kalshi explicitly disclaims any affiliation with Steam, and all trademarks remain the property of their respective owners.

Frequently asked questions

On Kalshi, the dashboard for the Steam top seller market tracks the current odds of various games being the weekly best-selling title on the Steam platform. You’ll find a price history chart showing how the probabilities have shifted over time, along with the total volume traded in this market, currently at $43,480. The 24-hour volume is also displayed as $9,694, giving you a sense of recent trading activity. This allows participants to monitor market sentiment and potential shifts in expectations regarding which game will achieve the top spot.

Comparing prediction market odds to analyst forecasts reveals how collective intelligence stacks up against expert opinion. Often, this market demonstrates a different perspective than traditional gaming analysts, potentially factoring in a wider range of data points and community sentiment. While analysts may focus on pre-release hype or critical reception, the market reflects real-time purchasing decisions and player interest. Discrepancies can highlight overlooked factors or differing interpretations of available information, offering a unique view beyond conventional gaming predictions.

On Kalshi, this market is priced using a continuous double auction, where traders buy and sell contracts representing their beliefs about the probability of a game being the top seller. The price of each contract reflects the implied probability of that outcome. On Kalshi, prices reflect that venue's order book, liquidity, and how traders price the outcome right now. As more traders participate, the prices adjust to reflect the aggregated wisdom of the crowd. This dynamic pricing mechanism ensures that the market odds are constantly updated based on the latest information and participant sentiment, providing a real-time assessment of the most likely outcome.

This market resolves around Oct 20, 2026, with the outcome confirmed once the weekly Steam top seller charts are released and verifiable from credible public reporting. The game appearing at the number one position on the Steam weekly sales charts will determine the winning outcome. The official Steam charts serve as the basis for determining the market’s resolution, ensuring a transparent and objective result. Traders should monitor these charts following the resolution date to confirm the final outcome of this market.

Several signals and events could significantly move this market before its resolution. Major game releases, especially from popular franchises, are likely to influence trading activity. Unexpected discounts or promotions on Steam can also shift player preferences and impact sales figures. Positive or negative reviews from prominent gaming critics and streamers can generate considerable buzz and affect purchasing decisions. Furthermore, any news regarding delays or updates to anticipated titles could also cause fluctuations in the market, as traders adjust their expectations based on the latest information.