MSCI ACWI methodology changes: v2026.03.31 → v2026.05.12
Edition dated 2026-05 · 77 changes: 7 major · 8 minor (62 editorial changes not listed)
| Section | Page | Item | Kind | Materiality | Link |
|---|---|---|---|---|---|
| Index Construction Objectives, Guiding Principles and Methodology for the MSCI Global Investable Market Indexes | 1 | M1 | removed | Minor | Open in What changed ↗ |
| 2.2.3 Equity Universe Minimum Size Requirement | 17 | M3 | modified | Minor | Open in What changed ↗ |
| 2.3.2.1 Defining the Global Minimum Size Reference | 24 | M3 | modified | Minor | Open in What changed ↗ |
| 3.2.4 Changes in Size segment of Existing Index Constituents as a Result of a Large Corporate Event | 52 | M8 | modified | Major | Open in What changed ↗ |
| 3.2.6 Early Deletions of Existing Index Constituents | 55 | M8 | modified | Major | Open in What changed ↗ |
| 3.2.7 Early Inclusions of Non-Index Constituents and IPOs | 56 | M8 | modified | Major | Open in What changed ↗ |
| Appendix II: Market Classification Framework | 84 | M1 | modified | Minor | Open in What changed ↗ |
| Markets Under Index Continuity | 88 | M7 | modified | Major | Open in What changed ↗ |
| Appendix IV: Foreign Listing Materiality Requirement | 93 | M3 | modified | Major | Open in What changed ↗ |
| INTEGRATED MSCI CHINA EQUITY UNIVERSE | 128 | M2 | removed | Minor | Open in What changed ↗ |
| Ongoing Event Related Changes | 136 | M8 | moved | Major | Open in What changed ↗ |
| Appendix XVIII: MSCI Southbound Indexes | 138 | M1 | added | Minor | Open in What changed ↗ |
| Index Construction | 138 | M4 | added | Minor | Open in What changed ↗ |
| Index Maintenance | 138 | M6 | added | Major | Open in What changed ↗ |
| Changes to the Methodology Book | 151 | other | modified | Minor | Open in What changed ↗ |
All changes of this step in What changed ↗
Earlier steps: v2026.02 → v2026.03.31 · v2025.11 → v2026.02 · v2025.08 → v2025.11 Later steps: v2026.02 → v2026.08 · v2026.05.12 → v2026.08