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How to play 20 Extra Crown
Data from the Rede em Jogo project, by CondadoLab at PUC-Rio, revealed that 84% of the betting operators most recommended on Instagram are illegal in Brazil.
The research, published by The Intercept Brasil on Monday, analysed more than 55,000 Instagram accounts and cross-referenced the results with the official list of authorised operators from the Secretariat of Prizes and Bets (SPA).
According to the survey, the problem arises when a user follows a single account related to betting. The platform’s recommendation system then starts showing other profiles in the same segment, including betting sites, influencers and specialised pages.
About 20 Extra Crown
The pure-play prediction market-operators, Polymarket and Kalshi, emerged from Week 1 as the clear winners. On one hand, Kalshi’s market share lead narrowed over its competitors, falling to 82% for the week ended 13 September, down from 86% a week earlier.
Still, Kalshi had a nine-fold lead over Polymarket, its next closest rival. Polymarket, meanwhile, led the group with 762,000 app downloads, edging Kalshi, DraftKings and FanDuel in the category. The downloads represented a 13,509% weekly increase and 25% of total category downloads, Polymarket wrote in a statement.
Across the market, operators delivered high double-digit gains compared with Labor Day weekend, which featured a full slate of college football games but no NFL contests. Two operators, DraftKings and Underdog each saw triple-digit growth, delivering weekly increases of 125% and 119%, respectively. Three others, Polymarket, Crypto.com and Novig, saw gains of at least 30%, led by Polymarket with a weekly increase of 46%.
What is 20 Extra Crown?
Player propositions were included in 65% of Bet Builders, up from 25% in 2022. Meanwhile, player shots on target became Kambi’s second-largest pre-match betting offer by turnover, while other popular selections included a player to score or assist.
“Customers seek personalised experiences, extensive player proposition bets and the ability to build highly customised wagers in real time,” Lamb says. “Meeting these modern expectations through manual trading is no longer realistic at scale.”
AI also helped Kambi reduce the delay between a customer selecting an in-play bet and being able to place it. Its dynamic live delay technology enables it to set bespoke live delay on an individual bet level, optimising the UX and alleviating friction. Across the Premier League and World Cup, Kambi reduced live betting delay by more than 40% between August 2025 and July 2026.
