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PMI = (P1 x 1) + (P2 x 0.5) + (P3 x 0)
Where:
- P1 = % of answers reporting improvements
- P2 = % of answers reporting no change
- P3 = % of answers reporting a deterioartion
The PMI is based on a survey of supply chain managers, the survey ask if during last month business was the same, better or worse in 5 sectors.
| Surveys | Weight |
| Production Levels | 20% |
| New Orders | 20% |
| Employement Levels | 20% |
| Supplier Deliveries | 20% |
| Inventories | 20% |
| PMI | 100% |
# How to follow the PMI #
- PMI above 50 and growing Long (Strong) bias
- PMI above 50 and slowing Long (Weak) bias
- PMI below 50 and slowing Short (Strong) bias
- PMI below 50 and growing Short (Weak) bias
- PMI peak above 50 Short (Weak) bias
- PMI peak below 50 Long (Weak) bias
Source:
The Institute of supply management (ISM) release its PMI on the 1st business day of each month.
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