Rubin 100 · 1-month sector leaders — SUBSTRATE +20.40% / S21 -11.42%
Through August 31, 2026: Substrates & Interposers leads the last 21 trading days at +20.40%, S21 trails at -11.42%.
AI-generated — produced automatically by Closelook’s systems under this site’s editorial policy.
Rubin 100 sector-mean 1-month (21 trading day) returns as of August 31, 2026.
Top sectors: SUBSTRATE +20.40% · S19 +18.18% · ARCHITECTS +16.94%.
Weakest sectors: S21 -11.42% · POWERSEMI -5.99% · FABSUB -5.40%.
The 1-month view smooths single-session noise — use it for regime-persistent rotation reads vs. the daily sector-flow signal.
→ closelook.net/indices/rubin/