Harlequeen

How to play Harlequeen

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 Harlequeen

This followed a period of restrategising for the operator, after rebranding from GVC Holdings and committing to having 100% of its revenues come from regulated markets.

But its share price has taken a tumble over the last year, dropping up to 37% since September 2025. Its market cap currently sits at £3.39 billion.

The operator first started trading on LSEG’s main market in February 2016 under its previous company name GVC Holdings. This followed its delisting from the Alternative Investment Market (AIM exchange).

How to play Harlequeen

FATF released the report – Risks of Gaming and Gambling – on Wednesday. It updates the body’s 2009 analysis of the casino sector. In addition, it draws on questionnaire responses from 80 jurisdictions and written comments from a further 29, alongside industry consultation.

The report identifies land-based and online casinos and sports betting as carrying the highest money laundering exposure. By contrast, lotteries and scratchcards present lower risk. 

It finds that online gaming shows more documented terrorist financing activity than gambling, although proliferation financing risks remain limited across both sectors.