experimental measure
Momentum Composite
Combines short- and long-horizon movement into one directional measure.
Data pipeline readyAdd the two canonical master CSVs to
data/raw/. The site will populate automatically on the next build.Data status →DirectionPositive means improving; negative means deteriorating.
Formula / constructionWeighted combination of 3-year and 20-year changes; final weights require sensitivity testing.
StatusWeights intentionally not locked.
This experimental measure is documented before a production ranking is calculated.
Interpretation rule: this page reports descriptive measurements. Association or rank does not by itself establish a causal effect.