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Singles can be profitable, but parlay pricing requires the market maker to calculate the correlations between multiple outcomes and respond dynamically to individual requests. It is a skill set built over years in the sharper regions of the existing sports betting ecosystem.
Marantelli identifies White Swan and Susquehanna as two firms operating at industrial scale in parlays, with Jump Trading, Mojo and DL Trading among the possible leading group. Below them are numerous smaller syndicates, some managing between $5 million and $10 million, alongside sports-specific specialists.
Enda Kendrick, chief executive of service provider Veltium, similarly says the largest UK and European sharp-betting groups have moved rapidly into US prediction markets. He believes there are also more than 100 smaller operations, ranging from individual traders to teams of around 10, interested in entering the regulated US market.
How to play Diamond Vortex
– Real App, a social sports app built around live play-by-play, named FanDuel as its first prediction market partner. The partnership brings FanDuel’s odds and contextual markets directly into the app’s live sports experience. Fanatics Sports & Casino is adding some upgrades to its Fair Play offering. Among the changes, Fanatics has added first-half injury protection for player props. The option proved to be valuable for fans in Wednesday’s opener when Seattle Seahawks quarterback Sam Darnold left the game after the team’s fifth offensive play.
– According to the American Gaming Association, an estimated $40 billion will be wagered on the NFL via prediction markets this year. Last week, on the first full day of the 2026 college football season, Kalshi reported nearly $250 million in trading activity on college football.
Matt is primarily responsible for long-form feature coverage on complex sports betting scandals. He also provides coverage on finance, M&A and other technological developments.
What is Diamond Vortex?
If the research firm’s $190 billion taker volume estimate proves accurate, it’d represent a more than eightfold increase from the $22 billion taker turnover seen last year.
Potentially boding well for the Macquarie forecast are at least two factors. First, there are signs of turnover increases across a variety of yes/no exchanges. Second, volume surged to start September with those spikes arriving even before the NFL season kicked off.
As Macquarie analyst Chad Beynon points out, prediction markets generated $4.3 billion in taker volume during the first week of September without any help from the NFL, building on momentum from the 2026 World Cup. However, the NFL’s impact was immediate, with taker volume hitting a daily record during Week 1 of the campaign.
