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About Big Sumo
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.
About Big Sumo
Bettors had plenty of momentum after favorites dominated Week 1, but Sunday (Sept. 20) tilted back in the sportsbooks’ favor behind a wave of upsets. Several heavily backed teams failed to win or cover the spread.
The biggest wins for Boyd were the Eagles failing to cover (24-20 over the Titans), the Saints winning outright as large underdogs (24-17 over the Ravens), and the Browns topping the Bucs (23-19). For bettors looking to recoup losses, the afternoon slate offered relief, with the 49ers handling the Dolphins (35-13), the Seahawks routing the Cardinals (31-7), and the Cowboys topping the Commanders (37-20).
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Christian Cipollini, senior trading manager at BetMGM, noted that heading into Sunday’s games, sportsbooks needed key underdog covers to offset a strong Week 1 for public bettors. Getting outcomes from the Browns, Saints, Titans, or Dolphins provided much-needed relief to the house.
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The Interior Ministry insisted that the crackdown on digital illegal gambling would persist as part of a broader strategy to prevent criminal proceeds being fed into the economy via banking and payment infrastructures.
Türkiye’s Law No. 7258 criminalises the operation of gambling activities without a licence. Offences are often combined with money laundering and fraud charges, amplifying legal consequences for offenders.
This latest operation forms part of an ongoing surge in Türkiye’s efforts to curb illegal betting throughout 2026.
