1&1 AG (HAM:1U1) Net Interest Margin (Bank Only) %

Author: Vera Yuan Vera Yuan
Vera Yuan
Vera Yuan
Director of Data and Quant Analytics at GuruFocus
Focused on building reliable datasets, financial models, and research tools for value-minded investors. Committed to turning complex data into practical guidance for value-investing and long-term wealth.
Reviewed by: Charlie Tian Charlie Tian
Charlie Tian
Charlie Tian
Founder & CEO of GuruFocus
Dr. Charlie Tian is the founder and CEO of GuruFocus.com, a leading global investment research platform established in 2004. With a Ph.D. in physics, Dr. Tian transitioned from science to finance, applying a data-driven, disciplined approach to value investing.

HAM:1U1 1&1 AG HAM:1U1
75 GF Score
Price €20.70
GF Value €17.03
Valuation Modestly Overvalued
! 4 Warning Signs
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What is 1&1 AG Net Interest Margin (Bank Only) %?

Net Interest Margin (Bank Only) % only applies to banks.

HAM:1U1
75GF Score
1&1 AG HAM:1U1
Net Interest Margin (Bank Only) % is just one metric. See GF Score™, valuation, warning signs, and more.
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Is 1&1 AG (HAM:1U1) Overvalued in 2026?

Based on GuruFocus' analysis, 1&1 AG stock appears to be overvalued. The current stock price of €20.70 is trading 21.6% above its estimated GF Value™ of €17.03. GuruFocus considers 1&1 AG to be Modestly Overvalued.

Key valuation signals for HAM:1U1:

  • Net Interest Margin (Bank Only) %:
  • GF Value™: €17.03 vs. price of €20.70 (21.6% above fair value)
  • GF Score™: 75/100 with 4 warning signs

No single metric tells the full story. See the HAM:1U1 stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.

1&1 AG Business Description

Address Elgendorfer Strasse 57, Montabaur, DEU, 56410
1&1 AG is a network-independent telecommunications provider in Germany. The company has three business segments which include Access, 1&1 Mobile Network and 1&1 Versatel. 1&1' Access segment offers internet access products based on landline and mobile networks. The Group's chargeable mobile Internet and broadband products, including the related applications (such as home networks, online storage, telephony, smart home or IPTV) are grouped together in the Access segment. Majority revenue is from Access Segment.
75GF Score

Get the complete analysis for HAM:1U1

Net Interest Margin (Bank Only) % is just one metric. See GF Value™, 30-year financials, guru trades, warning signs, and more.

€20.70
Price
€17.03
GF Value