S&P Quarterly Index Rebalance in Market structure
S&P quarterly index rebalance (March 2026)
This date has passed.The next S&P rebalance date is June 18, 2026 at 4:00 PM ET.
4:00 PM ET
Medium importanceComputed date: Derived from a fixed rule, such as the third Friday of the month, rather than read from a dated schedule. The publisher has not announced this specific date.1
- Date
- Reference period
- March 2026
- Publisher
- S&P Dow Jones Indices
- Frequency
- Quarterly
- Date status
- Computed. Derived from a fixed rule, such as the third Friday of the month, rather than read from a dated schedule. The publisher has not announced this specific date.
- Note
- Changes take effect after the close on 2026-03-20, before the open on Monday 2026-03-23.
Date source: S&P Dow Jones Indices (press.spglobal.com)
Why it matters
S&P 500, MidCap 400 and SmallCap 600 quarterly rebalance, effective after the close on the third Friday of the quarter's last month.