xGRAPM launches live impact metric

- A new metric called xGRAPM began publishing live player impact scores and match forecasts, aiming to update influence per 90 minutes in real time. (x.com) - The underlying model claims Bayesian stabilization and per‑90 rates across Europe’s top five leagues to reduce sample‑size noise in early appearances. (x.com) - Analysts immediately debated xG weighting and the reliability threshold (roughly 15+ games) for XPts‑style forecasts in lineup models. (x.com)