The Chicago Purchasing Managers' Index (PMI) determines the economic health of the manufacturing sector in Chicago region. A reading above 50 indicates expansion of the manufacturing sector; a reading below indicates contraction. The Chicago PMI can be of some help in forecasting the ISM manufacturing PMI.

A higher than expected reading should be taken as positive/bullish for the USD, while a lower than expected reading should be taken as negative/bearish for the USD.