Understand the market. Know the risks.
News, analysis, and practical tools for understanding betting markets. We examine data, rules, technology, and risk calmly and objectively, separating facts from marketing claims.
Lead story
How injury protection changes the value of a bet
We examine when injury protection is worth worse odds or a separate fee, and why price alone is no longer enough when comparing sportsbooks.
Trends
Brazil bans sports betting and online gambling
Brazil is closing its regulated betting market. Why the government made this decision, when sites will be blocked, and what happens to balances and open bets.
Trends
Prediction Markets: A New Form of Trading or Betting Under Another Name?
New York calls Polymarket an unlicensed gambling operation. Polymarket says its event contracts belong to a federally regulated exchange. The real dispute is where trading ends and sports betting begins.
September 25, 2026
From Odds to Contracts: How Prediction Markets Work
September 24, 2026
18 pitches, $400,000 and inside information: why microbetting is so easy to manipulate
September 19, 2026
PS3838 makes two-factor authentication mandatory
September 17, 2026
Pinnacle offers its data to prediction market participants
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