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The Weekly Activity Index (WAI) for the German economy demonstrated considerable volatility between January 2021 and June 2026. The index hit its lowest point at percent during the 10th week of 2021, then surged dramatically to peak at **** percent in the 24th week of that year. Following this peak, the WAI declined substantially throughout the second half of 2021, though it recovered modestly to close the year at **** percent. The index faced another sharp decline in early 2022 and remained below zero until mid-2023. During 2024, the WAI exhibited pronounced fluctuations, trending upward in the first half of the year before reversing course in the second half. The pattern continued into 2025, with a gradual decrease persisting until approximately the 30th week, after which the index began to recover. By the 18th week of 2026, the index reached a value of percent.

What is the weekly activity index?

The weekly activity index (WAI) is a weekly index designed to measure real economic activity in Germany. It is calculated as a common component from various indicators, such as industrial output, GDP, electricity consumption, credit card payments, and other high-frequency indicators. Positive values in the index indicate above average growth in real economic activity, while negative values signal a decline in economic output.