DMG IndexMethodology
How it works
Each indicator has a “good” and a “bad” threshold. Its stress is how far the latest value sits between them, clamped to 0–100: at or beyond “good” it scores 0, at or beyond “bad” it scores 100.
A view's score is the weighted average of its indicators' stress. Property, Tourism and Services are three separate views with their own indicators; they are never mixed. Scores of 0–45, 45–70 and 70–100 map to the three scenarios.
Sources publish at different frequencies: some daily, others monthly or quarterly. Each day the latest known value of every indicator is carried forward until a new one is published, so slow-moving indicators change the score in steps.
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