Stress is just how far today's value sits between “norm” (0) and “crisis” (100) — a fixed calibrated scale, not a verdict. It measures pressure, not a prediction of collapse.
This is an expert 0–100 estimate read from the news flow — a judgement call, not a measured figure. Treat it as a signal, not a statistic.
Competition for China's oil market (Africa/Brazil vs Russia) currently reads 40 index 0–100, mapping to a stress of 40/100 — modest pressure.
Across the tracked period the stress has held roughly flat (+0.0 pts).
The value is sourced via an expert estimate; confidence — low. How it is derived: Estimate from news: cheaper long-haul freight makes West African and Brazilian crude a real alternative for Chinese refiners, weakening Russia's leverage with its top buyer.
History is accumulating since launch — a chart appears once enough daily readings pile up.