PPO Polypore International Inc
NYSENo longer listedCommon stock
PPO was the NYSE ticker symbol of Polypore International Inc. It no longer appears in current US listing files, which usually means the security was delisted, acquired, merged, or moved to a new symbol.
PPO at a glance
- Symbol
- PPO
- Company / issuer
- Polypore International Inc
- Security type
- Common stock
- Last exchange
- NYSE
- Status
- No longer listed
- Seen in listing files
- Apr 2015
PPO ticker history
All listing names we have recorded under the symbol PPO, from periodic snapshots of US exchange listing files.
| Name | Security | First seen | Last seen |
|---|---|---|---|
| Polypore International Inc | 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 PPO?
PPO was the ticker symbol of Polypore International Inc on NYSE.
Is PPO still trading?
No. PPO 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 PPO listed on?
PPO was listed on NYSE.
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