https://clutchledger.com/ Clutch's articles on reading and grading NBA win probability, and each week of its graded calls: every number sealed before tip, graded after the final. en Tue, 27 Oct 2026 12:00:00 GMT https://clutchledger.com/learn/fivethirtyeight-nba-predictions/https://clutchledger.com/learn/fivethirtyeight-nba-predictions/Tue, 27 Oct 2026 12:00:00 GMTFiveThirtyEight's NBA forecast and nba_elo_latest.csv now redirect to ABC News. Clutch's free, graded win probability for every game, in the same CSV layout. https://clutchledger.com/ledger/weeks/2026-10-19/https://clutchledger.com/ledger/weeks/2026-10-19/Mon, 26 Oct 2026 12:00:00 GMTClutch's graded NBA calls for Oct 19–Oct 25: 30–13, against 27.5 expected wins and 20–23 for always picking the home team. https://clutchledger.com/learn/calibration-and-brier-score/https://clutchledger.com/learn/calibration-and-brier-score/Fri, 23 Oct 2026 12:00:00 GMTHow to grade a forecaster: calibration (does 70% happen 70% of the time?) and the Brier score, with real NBA calls scored one game at a time. https://clutchledger.com/learn/check-a-prediction-came-first/https://clutchledger.com/learn/check-a-prediction-came-first/Fri, 23 Oct 2026 12:00:00 GMTAnyone can say they called it after the final. Three marks of a real pregame prediction, shown on a real night of sealed NBA numbers. https://clutchledger.com/learn/espn-bpi-accuracy/https://clutchledger.com/learn/espn-bpi-accuracy/Fri, 23 Oct 2026 12:00:00 GMTESPN BPI picked the winner in about 69% of NBA games. We graded its probabilities on 2,631 games beside the market, Clutch and the home team. https://clutchledger.com/learn/what-is-win-probability/https://clutchledger.com/learn/what-is-win-probability/Fri, 23 Oct 2026 12:00:00 GMTWhat an NBA win probability means, how to read 55% or 75%, where the number comes from, and how to tell a good one from a bad one.