CPN Calpine Corporation
NYSENo longer listedCommon stock
CPN was the NYSE ticker symbol of Calpine Corporation. It no longer appears in current US listing files, which usually means the security was delisted, acquired, merged, or moved to a new symbol.
CPN at a glance
- Symbol
- CPN
- Company / issuer
- Calpine Corporation
- Security type
- Common stock
- Last exchange
- NYSE
- Status
- No longer listed
- Seen in listing files
- Apr 2015
CPN ticker history
All listing names we have recorded under the symbol CPN, from periodic snapshots of US exchange listing files.
| Name | Security | First seen | Last seen |
|---|---|---|---|
| Calpine Corporation | Common Stock | Apr 2015 | Apr 2015 |
Snapshots have gaps (notably 2018–2021, and 2015–2021 for NYSE listings), so the actual delisting date may be later than the last-seen date.
Frequently asked questions
What company has the ticker symbol CPN?
CPN was the ticker symbol of Calpine Corporation on NYSE.
Is CPN still trading?
No. CPN does not appear in current US exchange listings as of Sep 2026; it was last seen in our listing snapshots in Apr 2015.
Which exchange was CPN listed on?
CPN was listed on NYSE.
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