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Hartley Henderson

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.

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Hartley Henderson

NHL Hockey Betting: Winning Prop Bet Strategies
- Oct 9, 2026
Discover winning NHL prop betting strategies, including overtime, player points, shots on goal, goalie saves and bet boosts, while learning which wagers to avoid.
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The Problems with Prediction Markets, Part 2: Regulation, Ethics and Unintended Consequences
- Oct 6, 2026
Part 2 of Hartley's Prediction Market series examines broader problems surrounding prediction markets, including conflicts with state and Tribal gaming laws, controversial bets, and concerns over exploitation, transparency and how disputed markets are resolved.
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The Problems with Prediction Markets, Part 1: Are Consumers Really Protected?
- Sep 30, 2026
Prediction markets raise concerns over responsible gambling, insider trading, Tribal sovereignty and market manipulation. Hartley Henderson examines the risks in Part 1.
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Jon Kyl Dies at 84: How He Changed Online Gambling in America
- Sep 20, 2026
Jon Kyl dies at 84. We look back at his fight against online gambling, the passage of UIGEA and its lasting impact on offshore sportsbooks and U.S. betting.
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States Without Legal Online Casinos Are Leaving Billions in Tax Revenue on the Table
- Sep 11, 2026
Why are states resisting online casino legalization? Hartley examines how iGaming generates billions in revenue while addressing concerns over casinos, tribes and gambling.
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Is LIV Golf Finished? Restructuring and Potential Bankruptcy Could Decide the Tour’s Future
- Sep 1, 2026
LIV Golf faces an uncertain future after PIF pulled its funding. Harlety Henderson examines LIV’s financial problems, potential restructuring and whether its biggest stars could return to the PGA Tour.
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Vacant NIGC Chair Leaves Tribes Vulnerable in Prediction Markets Fight
- Aug 18, 2026
The vacant NIGC chair position leaves Tribal gaming interests without a key federal advocate as Tribes battle Kalshi and other prediction markets over sports betting.
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Should Professional Athletes Be Allowed to Bet on Their Own Sports? The WNBA Controversy Raises Bigger Questions
- Aug 7, 2026
Sports leagues need to take a second look at what how they enforce athlete betting
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Prediction Markets vs. Sportsbooks: The Supreme Court Battle That Could Change Sports Betting Forever
- Jul 25, 2026
The legal battle over Kalshi and prediction markets could reshape sports betting in America as states, sportsbooks and the CFTC prepare for a Supreme Court showdown.
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Alberta goes live with its open iGaming market with over 20 sportsbooks in operation
- Jul 13, 2026
As many as 50 online gambling operators are now live for bettors in Alberta, Canada
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WSEX and Jay Cohen: The Rise, Fall and Legacy of an Online Gambling Pioneer
- Jun 28, 2026
A revealing look at Jay Cohen, the creation of World Sports Exchange, and how one of online betting’s earliest pioneers helped shape live wagering before becoming a target of U.S. prosecutors.
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Will New CFTC Rules Fix Prediction Markets?
- Jun 20, 2026
Veteran gambling columnist Hartley Henderson examines the CFTC’s newly proposed rules and what they could mean for prediction markets.
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