Counter-Strike 2 and League of Legends Take Up 83% of eSports Betting Market

Kambi and Abios have released their “Global Esports Betting Monitor” for the first half of 2025, based on the former’s data from over 50 operators in regulated markets. Counter-Strike 2 (CS2) and League of Legends (LoL) have maintained their dominance, while Dota 2 continues to lose ground and VALORANT shows steady growth.

Kambi and Abios collaborated to create the quarterly “Global Esports Betting Monitor” report, which gives readers a comprehensive overview of eSports betting activity on eSports betting sites and trends in the first half of 2025.

The Kambi Group, a B2B company that provides sports betting services to licensed operators, comprises over 50 operators in regulated markets worldwide. It’s the source of all data. Abios provides an odds feed with interesting features, including player props, flash markets, and same-game bet builders to sportsbooks, eSports teams, and other businesses.

Call of Duty and VALORANT Betting Go Up

Let’s highlight the following key data from the report:

• The most popular betting games are still Counter-Strike 2 and League of Legends, which combined accounted for 83% of all eSports wagering volume in regulated markets and saw a modest increase in H1 2025.
• Dota 2 is still on the decline: in H1 2025, the game’s handle declined to 8.7%, down from 10% YoY and a more notable decline from 14% in FY23.
• VALORANT’s betting share is increasing: In H1 2025, the title continued its steady but gradual ascent to the top 5 eSports betting titles, reaching 4.8% of the worldwide market.
• Call of Duty quadrupled its share from the previous year: CoD increased from 1.7% to 2.9% of handle, perhaps due to improved Majors’ performance and increased attention from North America.
• Latin America’s share of global turnover has grown by 27% (from 8.1% to 10.3% in a year), accounting for 21% of the number of bets globally.
• Europe’s share of global turnover is 74%, accounting for 72.5% of the number of bets, making the continent dominant not just in share, but also in stake size
• Call of Duty’s share of North American turnover goes up to 12.2%, compared to less than 3% in other regions.
• VALORANT’s share of North American turnover is 11.5%, almost twice as high as in other markets (4-8%).
• League of Legends’ share of North American turnover reached 42.3%, exceeding CS2 (27%).
• Oceania’s share of Dota 2 turnover is 22.8%, accounting for 2.7% of the region’s global turnover.
• North America’s share of global turnover in H1 2025 is 4.3%, down from 4.9% YoY.
• The monetization rate of CS2 (40% of events had 57.2% of turnover) increased 1.42x, making it the only game above parity.
• The monetization rate of League of Legends (21.7% of events made 26.1% of turnover) went up 1.20x.
• The monetization rate of VALORANT (15.8% of events had 4.8% of turnover) rose 0.30x.
• The total share of all other games, including Dota 2, Overwatch, Rainbow Six Siege, and Rocket League is 12%.
• Betting volume on League of Legends and VALORANT is US$11 billion vs. the US$3 billion valuation of the entire eSports industry.