1&1 opens the week with SDAX focus, shares trade on Xetra
Published on 06/28/2026 at 11:05 | Editorial responsibility: Rafael Müller, Editor-in-Chief AD HOC NEWS
By Christina Vogel, Background & Management desk. Reviewed prior to publication on 2026-06-28, 11:05.
1&1 (DE0005545503) enters the new trading week as a German telecommunications provider listed in the SDAX and trading on Xetra. The stock sits in the DAXsector Telecommunication Performance-Index, giving it visibility among domestic peers such as Deutsche Telekom and United Internet.
Position in the SDAX and telecom index
1&1 is part of the SDAX segment, which gathers smaller German equities with established business models and daily liquidity on Xetra. The company is also referenced in the DAXsector Telecommunication Performance-Index, a sector benchmark tracking the performance of telecom shares in Germany.
On finanzen100, 1&1 is displayed with the ticker 1U1 and the ISIN DE0005545503, confirming its presence as a telecom constituent in the German small-cap index family. This index exposure anchors the stock in the domestic equity universe for institutional and retail investors interested in telecommunications.
Analyst attention and valuation markers
Analyst platforms such as AlleAktien cite a current market capitalization for 1&1 of around 4.2 billion euros, based on recent share prices and outstanding shares. They also describe the trailing price-earnings ratio (P/E, TTM) at roughly 25.2, with a forward P/E estimate closer to 16.6, indicating expectations of earnings growth.
In the same analysis, the AlleAktien Quality Score for 1&1 is reported at 0 out of 10, a cautious assessment that highlights risks around profitability and competitive dynamics in German telecommunications. Such external views provide investors with a structured frame for discussing valuation and fundamental quality in the broader sector context.
All news and analysis on the 1&1 shares
Further background on the 1&1 stock, including prices, key figures and additional news, is available on the dedicated topic page and through the company's investor relations section.
How 1&1 makes its money
1&1 generates revenues primarily from mobile and fixed-line telecommunications services for private and business customers in Germany. The company offers mobile phone contracts, data plans and DSL connections, often bundled with hardware such as routers or smartphones, under the 1&1 brand.
Where the stock trades today
The 1&1 shares (DE0005545503) trade on Xetra, with the last verifiable quotation on finanzen100 showing a price in euros, as of the latest available trading session. The exact intraday price and time stamp are updated continuously on the exchange and financial portals.
Key data on the 1&1 shares
- Company: 1&1 AG
- ISIN: DE0005545503
- WKN: 554550
- Ticker: 1U1
- Trading venue: Xetra
- Price (as of latest session): quotation in euros
- Market cap: around 4.2 billion euros (as referenced in 2026)
- Sector / industry: Telecommunications services
- Index membership: SDAX, DAXsector Telecommunication Performance-Index
- Next earnings date: not officially scheduled
Disclaimer: This article is for informational purposes only and does not constitute investment advice, a buy or sell recommendation, or a solicitation to trade the 1&1 shares or any other securities.
Disclaimer regarding our articles: No investment advice, no buy or sell recommendation. Information on prices, companies, and markets is provided without guarantee; changes are possible at any time. Stock market transactions can lead to substantial losses. Our articles are created and reviewed in whole or in part automatically with the support of AI.
