Balloons

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Two operators alone – Kalshi and Polymarket – topped the combined $1 billion mark in NFL trading activity over the first six days of Week 1, according to numerous measures this week. During the period, Kalshi recorded NFL volume of $983.4 million, according to DeFi Rate, earning the pole position by a large margin. Mahomes and the Kansas City Chiefs thrashed the Denver Broncos 31-10 on Monday Night Football, capping the largest week for prediction markets ever.

Even before the primetime matchup in Kansas City, it became abundantly clear that the industry would shatter previous marks for weekly activity. The AFC West showdown bolstered the already robust totals. Overall, volume for the week hit a record $15.9 billion, according to Bank of America, up 16% from a week earlier.

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.

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That window Scheinthal had hoped for seems to be moving further away. Caesars’ proxy filing showed that even during negotiations in the spring, Fertitta refused to go above its $31-per-share offer “due to higher financing costs and increased macroeconomic risks”. From the end of 2025 to late April of this year, higher borrowing costs had resulted in “approximately $40 million per year in additional costs from when the process started”, the filing said.

Diller, for his part, lodged an all-cash, $48.30-per-share offer for MGM days after the Caesars deal broke. People Inc. finished Q2 with $1.1 billion in cash, but between the 74% of shares it would acquire, as well as MGM’s long-term debt of over $6 billion, some level of financing would be required. MGM appointed an independent committee to review the bid but has said nothing since.

Moving forward, history suggests that this month’s rate hike might not be the last. During hawkish periods, the FOMC has paused after an initial rate hike just once since the 1990s, per the Wall Street Journal. Over that period, the US Central Bank has typically lifted rates six to seven times throughout an upward cycle. Warsh has signalled optimism in the economy’s stability moving forward.

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“The market is moving beyond rapid expansion and becoming increasingly quality-driven. Operators will need to compete not only through marketing investment, but also through technology, product innovation, responsible gaming and customer experience.

Rossi takes a somewhat different view, describing Peru as a mature betting market while pointing to mobile penetration and a growing generation of digital consumers as sources of further growth.

“In my opinion it’s a mature market,” Rossi states. “Because historically, I believe Peru was one of the first betting markets in all of Latin America. Although the regulation was not there, betting was quite tolerated in the past.