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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

Vegas has little value added for gamblers and tourists these days
- Apr 28, 2026
Las Vegas is still great, but not the same, especially for value hunters . . . and gamblers
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LIV Golf Epitomized Much That Is Wrong with Sports Today
- Apr 25, 2026
The demise of LIV golf proves that money can't buy everything in sports, just the players.
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Efforts to curtail insider trading by Kalshi and Polymarket won't stop opposition by states
- Mar 28, 2026
Despite implementing insider trading rules, prediction markets still face growing calls to be regulated as sportsbooks
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Could this be the year for a perfect March Madness bracket?
- Mar 18, 2026
The introduction of NIL money and the rampant use of the transfer portal have reduced the odds on picking a perfect bracket.
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2026 Oscars Predictions From a Bettor's Perspective: Who Will Win?
- Mar 12, 2026
Gambling veteran Hartley Henderson offers up his 2026 Oscars predictions and picks for who will win in every category.
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Will move of PokerStars to FanDuel Alter the Path of Online Poker in California?
- Mar 6, 2026
Online poker in California has faced significant hurdles, but a potential merger between PokerStars and FanDuel could clear a major obstacle.
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Prediction markets are causing regulatory confusion worldwide
- Feb 25, 2026
Trading or gambling is still the question as predcition markets take hold in the U.S. and global jursidctions prepare for regulations.
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Does LIV Golf really have a future?
- Feb 17, 2026
In the wake of defections and fading viewership, does LIV Golf have much of a future left?
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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.
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Grading of Venezuela invasion contracts illustrates the biggest problem with certain prediction markets
- Jan 9, 2026
Prediction markets dressed up as sportsbooks are breaking some of the Bookmaking 101 rules.
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Top 5 Global Gambling Stories of 2025
- Jan 6, 2026
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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Top 10 North American gambling stories of 2025 - Part 2
- Jan 2, 2026
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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