Brightness patterns over industrial parks rose weeks before factory output prints, especially where official stats lag. Adjusting for holidays and daylight savings avoided false alarms. Cross-referencing with diesel demand improved reliability. The lesson is simple and demanding: blend multiple proxies, track revisions, and assign confidence bands. Good nowcasts acknowledge uncertainty openly, inviting leaders to prepare scenarios rather than cling to misleading single-point predictions that comfort but misdirect.
Automatic Identification System pings show crude moving, stalls forming, and reroutes reacting to weather or geopolitics. When laden speeds slowed into major hubs, elevated storage levels followed, softening spot prices. Traders listening to hulls and harbors hedged earlier, reducing drawdowns. Yet even steel speaks ambiguously; combine flow timing with refinery outages and policy chatter to avoid chasing ghosts. Maritime data shines brightest when married to onshore inventories and demand reality.