Rubin 100 · 1-month sector leaders — MEMORY +50.99% / GASCHEM +3.57%
Through May 18, 2026: Memory (HBM & NAND) leads the last 21 trading days at +50.99%, Gases, Chemicals & Consumables trails at +3.57%.
Rubin 100 sector-mean 1-month (21 trading day) returns as of May 18, 2026.
Top sectors: MEMORY +50.99% · PACKAGING +41.86% · MATERIALS +36.67%.
Weakest sectors: GASCHEM +3.57% · GRID +6.43% · TESTMET +8.94%.
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/