Many analysts feel prediction market ads are misleading and dangerous
- Feb 15, 2026
Predictions markets are touting their sports betting products as "investing" and they are far from that.
Read More . . .HARTLEY HENDERSON has been involved with the online gambling world for nearly thirty years. His insights helped Intertops become the first sportsbook online to list odds for reality TV betting when they opened lines for Survivor in 2000. Hartley worked extensively for WWTS in the heyday of that storied sportsbook in the mid-2000s and finally landed at Major Wager for five years. His contacts throughout the online gaming industry are unparalleled and his column often offers exclusive interviews and opinions from gambling leaders around the world. Hartley was voted our top writer 5 times since he began at OSGA over a decade ago, most recently 2024. His weekly insights are not to be missed here at OSGA.
Predictions markets are touting their sports betting products as "investing" and they are far from that.
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Prediction markets dressed up as sportsbooks are breaking some of the Bookmaking 101 rules.
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Hartley examines the top 5 stories that affected gambling in the United States, from betting scandals in pro sports and a change in taxes to the rise of predictions markets, 2025 was again a year for big changes in gambling around the globe.
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In the second of two parts, Hartley examines the top 5 stories that affected gambling in the United States, from betting scandals in pro sports and a change in taxes to the rise of predictions markets, 2025 was again a year for big changes in gambling in North America.
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Hartley Henderson lists his top 10 gambling stories of 2025 for North America. In the first of two parts, Hartley examines the biggest stories that affected gambling in the United States, from the explosion of sportsbetting to the demise of sweepstakes casinos.
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Sportsbooks are getting into the prediction market game to compete with traders and to enter previously closed markets.
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A recent court ruling in Canada look to energize both DFS and online poker by allowing gamblers worldwide to play.
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The NBA is arguably the easiest league for manipulation, yet it was the first league to embrace sports betting.
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Hartley Henderson unveils his betting strategies and picks for Saturday's Breeders' Cup racing.
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Hartley Henderson unveils his betting strategies and picks for Friday's Breeders' Cup racing.
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Regulatory upheaval and outright banning of online gambling among the top recent betting news around the world..
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A Massachusetts Gaming Commission report shows that regulated sportsbooks are indeed limiting winners and getting losers to gamble more.
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