ISM Manufacturing PMI
Published:
A monthly survey of U.S. manufacturing purchasing managers that indicates whether factory activity is expanding or contracting.
Full explanation
The ISM Manufacturing PMI is a monthly survey-based gauge of whether U.S. factory activity is improving or weakening. It summarizes purchasing and supply managers’ views on conditions such as new orders, production, employment, supplier deliveries and inventories. The index is a diffusion measure, so readings above 50 generally indicate expansion from the prior month and readings below 50 indicate contraction. ISM publishes the Manufacturing PMI Report monthly, normally on the first business day at 10:00 a.m. Eastern Time.
Why traders watch it
Traders watch it because it is one of the earliest monthly readings on U.S. industrial momentum, demand, supply chains and employment conditions. Surprises can influence USD, Treasury yields, equity index futures, industrial commodities and expectations for Federal Reserve policy.
Market interpretation
- FX
- USD can react if the report changes expectations for U.S. growth or interest-rate differentials.
- Rates
- Treasury yields may move when the release alters views on activity, inflation pressure or Federal Reserve policy.
- Equities
- Cyclical sectors and index futures may respond to changes in manufacturing demand, orders and cost pressure.
- Commodities
- Industrial commodities may react if the report changes perceptions of U.S. factory demand.
Stronger vs weaker outcomes
A stronger-than-expected reading may suggest firmer manufacturing activity, improving demand or less pressure on cyclical growth expectations. A weaker-than-expected reading may suggest softer factory momentum, weaker orders or more cautious business conditions, depending on the sub-index drivers.
A higher-than-expected ISM Manufacturing PMI may suggest stronger factory momentum, firmer demand or improved business conditions.
A lower-than-expected ISM Manufacturing PMI may suggest weaker manufacturing momentum, softer orders or more cautious industrial conditions.
For the ISM Manufacturing PMI, above 50 generally signals expansion versus the prior month and below 50 signals contraction.
Typical volatility
High. The PMI is a sentiment-style diffusion index, not a direct measure of output volume. Markets often look beyond the headline to new orders, prices paid, employment and supplier deliveries, and the signal can differ from hard data such as industrial production or factory orders.
Trading considerations
- Check the headline level against consensus, but also review new orders, employment, inventories and prices paid.
- Watch whether the report confirms or conflicts with regional Fed surveys, industrial production and durable goods orders.
- Be aware of spread widening and rapid repricing around the 10:00 a.m. Eastern Time release window.
- Consider revisions to seasonal factors or changes in sub-index composition when comparing long time series.
Educational guidance only — never a trading signal or recommendation.
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