METHODOLOGY
Why accuracy is the wrong target
A 60%-accurate model can lose money. A 52% one can print. Here's why.
BLOG
Field Notes
Methodology, market mechanics, and the math behind the picks.
METHODOLOGY
Closing-line value, explained
Why CLV is the only honest measure of betting skill — and what it isn't telling you.
Read article →PRIMER
Vig, juice, and the cost of being right
The implicit fee in every odds line, and how it eats your edge.
ENGINEERING
How we backtest: walk-forward only
Why in-sample tuning is a lie you tell yourself.
MARKETS
What Pinnacle's closing line is really saying
The sharpest book in the world, decoded.
METHODOLOGY
Model ensembles: when blending makes things worse
Stacking two miscalibrated models doesn't fix either one.
PRIMER
Reading xG without lying to yourself
Expected goals is descriptive, not predictive. Use it accordingly.