ISM PMI: Mapping Market Tops and Bottoms With USBCOIUnited States ISM Purchasing Managers Index (PMI)ECONOMICS:USBCOIlordpharosThis chart tracks the US ISM Manufacturing PMI (white line) against a long‑term mean (yellow) and two green envelope bands that frame extremes in the cycle. Historically, moves above the upper green band align with “market top” conditions and moves below the lower band align with “market bottom” conditions, giving a simple macro overlay for risk‑asset timing.