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The Ruby

The Ruby

Arena Gaming
4.5 ★★★★★★★★★★ 256K reviews 10M+ Downloads 12+ Rated for 12+
Contains ads In-app purchases
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About this app

What is The Ruby?

“Nearly half of all respondents (45%) say they’ve borrowed money to place sports bets, with 13% taking out a personal loan to bankroll their betting and 11% securing funds through a high-interest payday loan,” the report continued.

Many sports bettors are unfazed by the high-stakes financial reality of gambling on sports.

U.S. News reported that only 17% conceded sports betting is negatively affecting their financial health. By contrast, twice as many respondents (34%) claimed gambling on professional and college sports has had a positive impact on their finances. About half (49%) reported that sports betting has not impacted their bank accounts either way.

About The Ruby

The news comes as prediction market operators continue to form alliances with major media outlets. These deals allow news outlets to embed event contract data into their reporting and offer prediction platforms more visibility to investors and news audiences. 

Polymarket has developed its media presence elsewhere. In January, it signed a deal with Dow Jones to provide its prediction market data to several of the publisher’s consumer platforms. The deal covers publications including The Wall Street Journal, Barron’s, MarketWatch and Investor’s Business Daily.

Prediction markets have become more and more intertwined with sports and entertainment businesses. Polymarket has agreements with Major League Baseball and Sportsradar. Sportsradar provides data and services for more than 20 sports leagues and competitions. 

How to play The Ruby

Kendrick sees a warning in the history of betting exchanges. In their early growth phase, there was sufficient retail liquidity for numerous market makers to profit. As that retail pool weakened, the sharper firms increasingly found themselves trading against one another.

His analogy is a poker table at which the weaker participants sustain the game. If those players disappear, the fourth-best professional at the table can suddenly become a loser because only the three strongest remain.

The US addressable market is vastly larger and customer recruitment remains strong. Marantelli says Kalshi increased its number of clients fivefold during the World Cup, while White Swan predicts that NFL prediction markets could generate between $5 billion and $7 billion of liability in a single week.

App info

Updated onSep 18, 2026
Size65 MB
Installs10M++
Current Version5.5.0
Requires Android6.0 and up
Content RatingRated for 12+
Interactive ElementsUsers Interact
Released onOct 24, 2024
Offered byArena Gaming
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