Stormborn

How to play Stormborn

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).

About Stormborn

“They lose quicker, dry up quicker, recruitment or re-recruitment,” he says. “If the recruitment of players dries up, then what are you going to do? Definitely there can be components like that.”

For now, the growth provides room for multiple market makers. Marantelli expects margins to “stay good during the growth period” before contracting as competition intensifies. The more complex RFQ and parlay markets may offer the best protection against that compression.

The result is an emerging ecosystem that looks less like millions of customers casually trading predictions with one another and more like an outsourced sportsbook trading room. Exchanges own the platform and recruit the customers; specialist firms price the risk and provide the money needed to make those markets function.

What is Stormborn?

3 Aztec Spells slots into that logic. It expands Spinomenal’s coverage of a durable theme category without requiring the studio to teach players anything genuinely unfamiliar.

The broader takeaway is about production strategy rather than innovation. Spinomenal’s catalog shows a provider that competes largely on breadth and speed, keeping a wide variety of themes live and continually topping them up.

That positioning has clear trade-offs. High-volume, template-driven studios rarely lead the market on standout mechanics. What they do offer is a steady pipeline for operators and a familiar, low-friction experience for players across a large library.