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CE — S&P 600 index addition
Celanese
Sector
Unknown
Announced
Mar 24, 2025
Effective
Mar 24, 2025
Replaced
Alaska Air Group
1W after inclusion
-4.5%
-3.6% vs index
1M after inclusion
-30.0%
-26.2% vs index
3M after inclusion
-9.9%
-13.3% vs index
6M after inclusion
-25.5%
-38.0% vs index
1Y after inclusion
+2.5%
-18.4% vs index
Indexed performance around the effective date (effective close = 100)
Prices last updated: 2026-09-16 06:30 UTC (9h ago)
Run-up in the 30 days into inclusion: +12.7%
Other stocks added to the S&P SmallCap 600
- ADIG — ADI Global Distribution joined on Aug 4, 2026.
- FIVN — Five9 joined on Aug 3, 2026.
- VVX — V2X, Inc. joined on Jul 27, 2026.
- TPC — Tutor Perini joined on Jul 24, 2026.
- ROAD — Construction Partners joined on Jul 22, 2026.
- KRMN — Karman Holdings joined on Jul 17, 2026.
See the full S&P SmallCap 600 additions log or the index review calendar.