All Posts By: Gilbert Rodriquez

Calibration & Reliability

Trust Your Probabilities: Calibration, Brier Decomposition, and Reliability Diagrams

In the world of predictive modeling, calibration is key. It makes sure a model’s predictions match real events. For example, if a model says there’s an 80% chance of rain, it should rain 80% of the time. This is critical in areas like sports betting, finance, and weather forecasting. But, many modern neural networks struggle […]

kalshi vs new york

New York vs. Kalshi: The 62-Cent Price Bettors Misread

The New York–Kalshi fight has turned prediction markets vs sportsbooks from a product comparison into a regulatory test with real pricing consequences. The issue for bettors is whether the number on screen represents the same cost. That distinction matters to anyone accustomed to evaluating fixed-odds operators through resources such as BetAnything’s review and rating, because […]

North Carolina’s New 23% Sportsbook Tax

How North Carolina’s New 23% Sportsbook Tax Cohe economics of its regulated online sports betting market less than two and a half years after mobile wagering launched statewide.

The five-percentage-point increase applies to operators rather than directly taxing each wager placed by a customer. Bettors will not see a separate 23% charge added to their betting slips. The larger question is how sportsbooks respond when the state claims a greater share of their revenue. Operator reactions could appear through smaller promotional budgets, tighter […]

Copulas & Correlation

Correlation that Costs: Pricing Parlays and Same‑Game Props with Copulas

In sports betting, knowing about same-game parlays (SGPs) is key. Traditional parlay math assumes events are independent. But, SGPs show that events are often linked. For example, if Team A wins, the quarterback likely passes over 275 yards. The game total also tends to be over. This connection makes pricing tricky. Sportsbooks need advanced methods […]

France–Norway And The World Cup Odds

France–Norway And The World Cup Odds Comparison Problem: Why Offshore Sportsbooks Matter During Star-Driven Matches

France–Norway is exactly the kind of World Cup matchup that can make betting markets move quickly. Scheduled for June 26, 2026, at Boston Stadium, the Group I meeting brings together two of the sport’s most recognizable attacking names: Kylian Mbappé for France and Erling Haaland for Norway. That star power creates a simple problem for […]

Michigan’s Offshore Poker Crackdown

Michigan’s Offshore Poker Crackdown Shows Why Bettors Need Better Risk Signals Before Using Unregulated Books

Michigan’s latest offshore gambling enforcement push is not just a legal headline. It is a useful case study in how bettors should think about risk before using unregulated sportsbooks, poker rooms, or hybrid platforms that combine casino games, sports betting, and poker liquidity under one account. In April 2026, the Michigan Gaming Control Board announced […]

backtesting and evaluation

Backtesting Betting Models: From Time‑Split CV to Out‑of‑Sample CLV

Many betting model assessments are fundamentally flawed. They produce misleading results that can lead to significant financial loss. The core issue is a lack of rigorous validation. A proper framework must test a model’s ability to predict future events, not just fit past data. The objective is clear. A robust model must generate predictive, calibrated, […]