iGaming Market Weekly Report: June 15-21, 2026

The second week of the 2026 FIFA World Cup further shifted the landscape of global betting demand, but the market dynamics were more dispersed than in the opening stages of the tournament.
Latin America continued its reign over upside market action, supplying 3 of the top 5 gainers while an outlier Japan moved to the top of this list thanks to regulatory developments coupled with on-field betting engagement. For downsides, action was concentrated primarily on post-NBA normalization in the US market and robust government enforcement across regulated and grey markets.

Top 5 Gainers of the Week

US-Arizona (+71.4%)
The perfectly regulated sports betting in Arizona picked up on the interest from the World Cup. The USMNT’s 4-1 defeat over Paraguay on June 12 led the charge in driving up searches throughout the week. Each day features up to 3 or 4 matches taking place so the cycle of activity never fully dies.
Japan (+62.7%)
On June 15, the cryptocurrency exchange Bitbank took action to lock accounts involved in prediction market Polymarket due to speculation over breaches to Japanese gambling regulations. This sparked a src="data:image/svg+xml;base64,PHN2ZyB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciIHdpZHRoPSIxNzM2IiBoZWlnaHQ9IjkwNiIgdmlld0JveD0iMCAwIDE3MzYgOTA2Ij48cmVjdCB3aWR0aD0iMTAwJSIgaGVpZ2h0PSIxMDAlIiBzdHlsZT0iZmlsbDojY2ZkNGRiO2ZpbGwtb3BhY2l0eTogMC4xOyIvPjwvc3ZnPg==" decoding="async" class="alignnone wp-image-45417 size-full" src="https://www.thegamblest.com/wp-content/uploads/2026/06/Top-5-Decliners-of-the-Week-june-15-21.png" alt="top 5 decliners of the week june 15 21" />
US-South Carolina (-37.5%)
Another one of the US states in the market to lack regulated sports betting. Betting related interest may have spiked with the initial world cup excitement, but fell off dramatically following the conclusion of the NBA finals on June 13.
Turkey (-24.1%)
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Blask Index tracks real-time iGaming player interest via AI-analyzed Google search data, updated hourly and filtered to remove low-intent noise (scams, complaints). WoW% measures momentum: positive indicates growing attention; negative indicates declining attention.