X United States Steel Corporation
NYSENo longer listedCommon stock
X was the NYSE ticker symbol of United States Steel 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.
X at a glance
- Symbol
- X
- Company / issuer
- United States Steel Corporation
- Security type
- Common stock
- Last exchange
- NYSE
- Status
- No longer listed
- Seen in listing files
- Apr 2015 – May 2025
- Sector
- Industrials
- Industry
- Steel/Iron Ore
- Country
- United States
- Last reported market cap
- $12.2 billion (May 2025)
X ticker history
All listing names we have recorded under the symbol X, from periodic snapshots of US exchange listing files.
| Name | Security | First seen | Last seen |
|---|---|---|---|
| United States Steel Corporation | Common Stock | Apr 2015 | May 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.
Frequently asked questions
What company has the ticker symbol X?
X was the ticker symbol of United States Steel Corporation on NYSE.
Is X still trading?
No. X does not appear in current US exchange listings as of Sep 2026; it was last seen in our listing snapshots in May 2025.
Which exchange was X listed on?
X was listed on NYSE.
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