The Daily Report
Ariel CalistaHey, I’m Ari—born in Vegas, where the house always wins… unless you know how to play with it. I’ve built a betting strategy no one else has to double top handicappers’ ROIs. Sportsbooks aren’t guessing, and neither should you.
| Platform |  | Pricing | Only free issues | Publishes | Weekly |
|---|---|---|---|---|---|
| Issues | 103 | Founded | a year ago | Last Issue | 2 months ago |
| Active | |||||
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arielcalista.substack.comLatest Issues
The 1980s Formula That Predicts Baseball Better Than the Standings
Bill James figured out something in the early 1980s that most bettors still aren’t familiar with. A team’s record does not actually predict whether they are a good team. Their run differential does. And James found a single equation that co...
The $117 Million Lesson
For years, the sports-betting industry’s open secret has been the parlay. Books love them because the math works overwhelmingly in the house’s favor. Bettors love them because the payouts look like jackpots. The result is a product where th...
The -2.5 Run Line
Every casual MLB bettor stares at -1.5 run lines and treats the -2.5 ladder as exotic. It is not exotic. It is the spot where the structural distribution of MLB game margins intersects with sharp line movement in ways the broader market con...
Arbitrage Is Real. The Money Isn't.
Prediction markets have had a remarkable few years. What started as a niche corner of crypto-adjacent finance — mostly political event contracts and curiosity-driven trading — has grown into a serious liquidity ecosystem. Nowhere is that gr...
Hold Is a Tax on Velocity
Abstract
The U.S. regulated sports betting market recorded its first consecutive year-over-year national handle declines in December 2025 and January 2026, even as gross gaming revenue (GGR) continued to rise. This paper argues that the...
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Hey, I’m Ari—born in Vegas, where the house always wins… unless you know how to play with it. I’ve built a betting strategy no one else has to double top handicappers’ ROIs. Sportsbooks aren’t guessing, and neither should you.
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