Index change event
S&P 500 Additions & Index Changes: COIN – 12th May 2025
On 12 May 2025, S&P Dow Jones Indices announced 2 index changes affecting 2 companies in the S&P 500. Coinbase Global replaced Discover Financial Services in the S&P 500.
Announced
2025-05-12
Effective
May 18, 2025 at 5:00:00 PM
Indexes Affected
S&P 500
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, Coinbase Global, the only addition with price data, had peaked at +25.44%, against +2.56% for Discover Financial Services, 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: Coinbase Global opened the next day at +11.61% and Discover Financial Services at +0.81%, 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: Coinbase Global, +25.44% 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.
S&P 500 Additions: Coinbase Global (COIN)
1 company joined the S&P 500 and 1 left, effective 19 May 2025. Coinbase Global is new to the S&P family and Discover Financial Services left the S&P family. Coinbase Global peaked at +25.44% by the next day's close.
Company | Ticker | Source Index | Final Index | Effective Date |
|---|---|---|---|---|
Coinbase Global | COIN | S&P 500 | 05/19/2025 |
Company | Ticker | Source Index | Final Index | Effective Date |
|---|---|---|---|---|
Company | Ticker | Source Index | Final Index | Effective Date |
|---|---|---|---|---|
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 |
|---|---|---|---|---|---|---|---|---|---|---|
Coinbase Global | COIN | S&P 500 | 207.22 | 207.60 | +5.97% | +8.19% | +10.74% | +11.61% | +25.44% |
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 |
|---|---|---|---|---|---|---|---|---|---|---|
Not a Investment Advice
This page is research about past price behaviour. It is not a recommendation to buy or sell.