MSCI Inc.: MSCI August Index Review Announcement Scheduled for August 12, 2026
MSCI Inc. (NYSE:MSCI) said it will announce the results of its August 2026 Index Review for multiple MSCI equity, small cap, micro cap, value and growth, frontier, and US REIT indexes on Aug. 12, 2026. Additions and deletions will be effective after the close of Aug. 31, 2026, with details posted on MSCI’s website and summaries on Bloomberg and Reuters.
How this was made
The 30-second read
Why it matters
This is primarily a forward-looking operational timeline for index changes. The market impact typically comes from the specific constituents added or deleted, which are not provided here.
Market read
Traders can mark the Aug. 12, 2026 release for potential passive-flow and rebalancing effects, but the article itself contains no constituent-level information.
What to watch
The effective date is Aug. 31, 2026 close, so the most actionable trading window is likely after the Aug. 12 publication when managers can model turnover and implementation.
Background
MSCI conducts periodic index reviews that result in additions and deletions across its equity and related index families, with changes implemented at a specified effective date.
Ticker impact
MSCI announces the August 2026 Index Review results timing and that additions and deletions will be effective after the Aug. 31, 2026 close.
Low near-term impact until the Aug. 12, 2026 list of additions and deletions is published.
The text is a calendar and process notice. It does not disclose any specific index changes, methodology updates, or financial guidance that would reprice MSCI immediately.
Market effects
Could create routine, mechanical flows for index-tracking funds across multiple MSCI equity and REIT index families once the actual changes are released.
Potential read-through to US and global equity index constituents as MSCI US Equity and REIT indexes are included in the review.
MSCI’s broad index coverage means the eventual changes can affect cross-border passive exposures, but this notice alone is not a catalyst.
Counterpoint
Because this is only a scheduled announcement, traders may already price in the calendar, making incremental impact minimal until the actual constituent list is published.
Key entities
- companyMSCI Inc.
Provider of index and decision-support tools; scheduled to publish August 2026 Index Review additions and deletions on Aug. 12, 2026, effective after Aug. 31, 2026 close.
