TEF Telefonica SA
TEF was the NYSE ticker symbol of Telefonica SA. It no longer appears in current US listing files, which usually means the security was delisted, acquired, merged, or moved to a new symbol. A company with the same name, Telefonica S A, currently trades as TEFOF, TELFY.
TEF at a glance
- Symbol
- TEF
- Company / issuer
- Telefonica SA
- Security type
- Common stock
- Last exchange
- NYSE
- Status
- No longer listed
- Seen in listing files
- Apr 2015 – Dec 2025
- Sector
- Telecommunications
- Industry
- Telecommunications Equipment
- Country
- Spain
- IPO year
- 1988
- Last reported market cap
- $23.1 billion (Dec 2025)
TEF ticker history
All listing names we have recorded under the symbol TEF, from periodic snapshots of US exchange listing files.
| Name | Security | First seen | Last seen |
|---|---|---|---|
| Telefonica SA | Common Stock | Apr 2015 | Dec 2025 |
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.
Other symbols for Telefonica SA
Frequently asked questions
What company has the ticker symbol TEF?
TEF was the ticker symbol of Telefonica SA on NYSE.
Is TEF still trading?
No. TEF does not appear in current US exchange listings as of Sep 2026; it was last seen in our listing snapshots in Dec 2025. The company now appears to trade as TEFOF, TELFY (Telefonica S A).
Which exchange was TEF listed on?
TEF was listed on NYSE.