VIX divided by VIX3M. BELOW 1 IS CONTANGO - the normal curve, three-month vol dearer than one-month. ABOVE 1 IS BACKWARDATION, which is what stress looks like. The index-level twin of the per-symbol iv_term_slope_30_90.
Last observed 2026-09-16, 1 day before 2026-09-17. The value is carried forward; it is not a reading for 2026-09-17.
1 of 1 with a reading on or before 2026-09-17; 1 carried forward from an earlier day (marked). Each row is that name against its own history — core.metric_context(), one query for all of them — not a rank among them.
2025-09-04260 obs2026-09-16