The Federal Reserve keeps an Industrial Production Index which measures and records the monthly real output of all industrial facilities within the United States including manufacturing, mining, electric, and gas utilities, and is seasonally adjusted.

The industrial sector, along with construction, accounts for most of the variation in national output over the business cycle. Large drops in industrial production from a drop in supply or consumer demand would indicate a change in economic growth, and potentially signal the beginning of a period of economic contraction. Likewise, a large boom in production and demand would indicate economic expansion, and boost investor confidence in those industries. Understanding economic fluctuations and health is imperative for investors and companies alike involved in the stock market.

Alternative forecasts and historical data can be found through these sources:

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MQL5

What will be the % change in the Industrial Production Index for September 2021?

This question resolves as the percent change in the Industrial Production Index. The resolution criteria for this question will be provided by the Federal Reserve and their monthly measurements of the Industrial Production Index. If data is not collected or recorded, then this question will resolve ambiguously.