Index change event
S&P SmallCap 600 Additions & Index Changes: DBD – 7th April 2026
On 7 April 2026, S&P Dow Jones Indices announced 2 index changes affecting 2 companies in the S&P SmallCap 600. Diebold Nixdorf replaced Sealed Air in the S&P SmallCap 600.
Announced
2026-04-07
Effective
April 9, 2026 at 5:00:00 PM
Indexes Affected
S&P SmallCap 600
2
Index Changes in Total
1
Additions
1
Deletions
0
Companies that changed index
What happened to the prices
By the next day's close, Diebold Nixdorf, the only addition with price data, had peaked at +8.93%, against +0.05% for Sealed Air, the only deletion with price data. The moves are measured from the first extended-hours price after the 17:15 ET announcement.
With one addition and one deletion priced, there is no group to stand out from: Diebold Nixdorf opened the next day at +6.41% and Sealed Air at +0.02%, both from the first price after the announcement.
In Short
2 index changes: 1 addition and 1 deletion.
No company moved from one S&P index to another in this announcement.
Largest peak move: Diebold Nixdorf, +8.93% by the next day's close.
The changes, index by index
An empty cell means the company was not in the S&P family before, or left it.
Company | Ticker | Source Index | Final Index | Effective Date |
|---|---|---|---|---|
Company | Ticker | Source Index | Final Index | Effective Date |
|---|---|---|---|---|
S&P SmallCap 600 Additions: Diebold Nixdorf (DBD)
1 company joined the S&P SmallCap 600 and 1 left, effective 10 April 2026. Diebold Nixdorf is new to the S&P family and Sealed Air left the S&P family. Diebold Nixdorf peaked at +8.93% by the next day's close.
Company | Ticker | Source Index | Final Index | Effective Date |
|---|---|---|---|---|
Diebold Nixdorf | DBD | S&P SmallCap 600 | 04/10/2026 |
Company | Ticker | Source Index | Final Index | Effective Date |
|---|---|---|---|---|
Price reaction
The close price is the last price before the announcement. All percentages are measured from the open price after the announcement.
S&P 500 Additions Changes
Company | Ticker | Source Index | Final Index | Close Price | Open Price at Announcement | % Change +5 min | % Change +30 min | % Change at 20:00 Hrs | % Change by Next Day Open | % Highest Change by Next Day Close |
|---|---|---|---|---|---|---|---|---|---|---|
S&P MidCap 400 Additions Changes
Company | Ticker | Source Index | Final Index | Close Price | Open Price at Announcement | % Change +5 min | % Change +30 min | % Change at 20:00 Hrs | % Change by Next Day Open | % Highest Change by Next Day Close |
|---|---|---|---|---|---|---|---|---|---|---|
S&P SmallCap 600 Additions Changes
Not a Investment Advice
Company | Ticker | Source Index | Final Index | Close Price | Open Price at Announcement | % Change +5 min | % Change +30 min | % Change at 20:00 Hrs | % Change by Next Day Open | % Highest Change by Next Day Close |
|---|---|---|---|---|---|---|---|---|---|---|
Diebold Nixdorf | DBD | S&P SmallCap 600 | 78.25 | 78.94 | +3.12% | +3.62% | +3.88% | +6.41% | +8.93% |
Not a Investment Advice
This page is research about past price behaviour. It is not a recommendation to buy or sell.