Adtran Networks stock holds at EUR 22.40 after a 0.45 percent gain

Published on 09/22/2026 at 18:23 | Editorial responsibility: Rafael Müller, Editor-in-Chief AD HOC NEWS

Adtran Networks stock closed at EUR 22.40 on September 18, 2026, after a 0.45 percent rise. The 52-week range was EUR 20.70 to EUR 23.40.

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Adtran Networks stock (ISIN DE000A14U784) closed at EUR 22.40 on Xetra on September 18, 2026, gaining 0.45 percent from the previous close. The move leaves the shares EUR 1.00 below the reported 52-week high of EUR 23.40 and EUR 1.70 above the 52-week low of EUR 20.70.

Stock remains near yearly high

The September 18 closing price was the latest completed Xetra reference available for the publication date of September 22, 2026. The next Xetra session was identified as the September 22 reference session, making the prior close the cleanest completed-session comparison for the stock.

The percentage change is modest, but the price position is more informative: EUR 22.40 is 95.7 percent of the distance from the 52-week low to the 52-week high. That places the shares closer to the upper end of their annual range than to the lower end.

Optical networking remains the key comparison

Adtran Networks operates in optical networking, a segment that is being compared with broader communications-equipment names. On September 22, 2026, Zacks reported downward revisions to current-year earnings estimates for ADTRAN Holdings, while its comparison with Ciena showed a 24.6 percent one-year loss for ADTRAN against a 162.3 percent gain for Ciena. The comparison concerns ADTRAN Holdings rather than Adtran Networks, so it is a sector reference rather than a direct earnings statement about the German issuer.

That distinction matters for investors assessing the EUR 22.40 Xetra price. The current market evidence supports a measured reading: the stock is materially above its annual low, but remains EUR 1.00 below the 52-week high, while the broader optical-networking comparison includes sharply different share-price performances.

EUR 22.40 is the closing reference

Adtran Networks stock stood at EUR 22.40 on Xetra as of the completed September 18, 2026 session, with a daily increase of 0.45 percent. The reported 52-week range was EUR 20.70 to EUR 23.40, providing the key market levels for the current assessment.