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About Warrior Graveyard
His analogy is a poker table at which the weaker participants sustain the game. If those players disappear, the fourth-best professional at the table can suddenly become a loser because only the three strongest remain.
The US addressable market is vastly larger and customer recruitment remains strong. Marantelli says Kalshi increased its number of clients fivefold during the World Cup, while White Swan predicts that NFL prediction markets could generate between $5 billion and $7 billion of liability in a single week.
But he acknowledges the possibility that faster customer losses could eventually test the sustainability of the model.
About Warrior Graveyard
Frank Fantini, founder and publisher emeritus of Eilers-Fantini, thinks the change began before Covid. “There is a tendency to look at the world as pre-Covid and post-Covid,” he says. “But the decline in gaming began earlier than that with the slowdown in new jurisdictions and new projects.”
The US land-based casino market had begun to mature and the number of obvious new markets and projects was shrinking. Online gambling offered a new source of growth, particularly through the expansion of legal sports betting. That opportunity was quickly reflected in share prices.
The problem is that legalisation has not happened as quickly as expected, while taxes and competition have increased. “Online gaming has been affected by the broader re-rating of growth-oriented internet and software stocks,” says Chad Beynon, managing director and head of US research at Macquarie Capital. “But there has also been a genuine deterioration in expectations for parts of the sector.”
What is Warrior Graveyard?
Entain highlighted that 11 of 20 Premier League clubs currently hold sponsorship or advertising arrangements with gambling operators lacking a Gambling Commission license—up from government estimates of eight clubs during the 2025/26 season.
“The government made clear in February that it would bring in a ban and it should do so immediately,” said Entain CEO Stella David, noting that clubs entering new agreements had already been warned. “Inconvenience is not an excuse for inaction.”
Entain cited third-party analysis forecasting that bets placed by UK consumers with unlicensed operators could skyrocket from £17 billion ($22.8 billion) in 2025 to more than £33 billion ($44.2 billion) by 2028 if left unchecked.
