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In fact, behind those brands, a whole new sector is taking shape. Data and streaming suppliers, specialist market makers and technology companies are quickly invading the space.
The investment banking and capital markets firm Jefferies said in a September report that sports had become prediction markets’ “most important liquidity driver”, with combo and parlay-style contracts accounting for an increasing share of activity. But the analysts cautioned that prediction markets are scale businesses with relatively low revenue yields, leaving their economics dependent on sustained liquidity, engagement and trading activity.
James Monk, founder of sports data and streaming provider Catalist Sports, has witnessed that dependence directly. Catalist supplies ITF tennis data to Kalshi and Polymarket and has an exclusive US sports-streaming agreement with Kalshi.
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However, LSR noted that traditional game outcomes are no longer reliable indicators of bookmaker profitability, largely due to the rapid growth of same-game parlays and player props.
In the Las Vegas-based Circa Survivor contest, which drew over 25,000 entries entering Week 1, more than 8,000 entries were eliminated in the opening slate—most knocked out when the 8.5-point favorite Chargers fell to the Cardinals. That upset served as a proxy for the wider market, ruining countess parlay tickets across major sportsbooks.
Looking ahead to Week 2, bettors continue to chase high-scoring games. At BetMGM, Overs represent three of the five most-bet game totals by ticket count: Vikings-Bears (Over 48), Saints-Ravens (Over 46), and Panthers-Falcons (Over 44).
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She suggested that the State Revenue chief commissioner’s office would be better equipped to manage what she characterised as a tax rebate programme.
NSW government figures classify poker machines as the most harmful gambling format in the state, yet clubs continue to operate approximately 65,000 poker machines, benefiting substantially from tax rebates through the scheme.
Green MP Cate Faehrmann has criticised the arrangement, highlighting a conflict of interest where clubs reduce their tax liabilities while simultaneously cultivating community goodwill.