BRAIN Biotech AG (BNN.DE) XETRA

Currency In EUR

BNN.DE Historical Return

If you invested €1000 in BRAIN Biotech AG (BNN.DE) 10 years ago, it would be worth €200 as of October 22, 2026, based on a reinvested dividends scenario. Over the same period, a €1000 investment made 5 years ago would be worth €281, while €1000 invested 1 year ago would be worth €1,243.36. This corresponds to total returns of -80%, -71.9%, 24.34%, respectively, with annualized returns of -14.87%, -22.41%, 24.34%.

Custom investment amounts or purchase dates can also be explored using the Stoculator calculator. Past performance does not guarantee future results.

BNN.DE Historical Data

Date Range:

Date	Open	Close	Adj Close	High	Low	Volume
October 21, 2026	2.76	2.81	2.81	2.86	2.68	999
October 20, 2026	2.77	2.76	2.76	2.84	2.68	3,107
October 19, 2026	2.67	2.86	2.86	2.87	2.67	6,026
October 16, 2026	2.71	2.67	2.67	2.84	2.67	1,258
October 15, 2026	2.66	2.66	2.66	2.76	2.6	9,164
October 14, 2026	2.7	2.73	2.73	2.82	2.68	607
October 13, 2026	2.77	2.7	2.7	2.79	2.66	5,975
October 12, 2026	2.81	2.66	2.66	2.87	2.65	4,260
October 09, 2026	2.75	2.78	2.78	2.88	2.72	6,354
October 08, 2026	2.82	2.75	2.75	2.88	2.75	4,653
October 07, 2026	2.89	2.76	2.76	2.89	2.76	7,587
October 06, 2026	2.89	2.89	2.89	2.89	2.76	5,706
October 05, 2026	2.78	2.89	2.89	2.89	2.78	4,280
October 02, 2026	2.8	2.89	2.89	2.89	2.76	5,076
October 01, 2026	2.85	2.85	2.85	2.85	2.67	3,829
September 30, 2026	2.8	2.85	2.85	2.85	2.8	4,275
September 29, 2026	2.85	2.85	2.85	2.85	2.73	2,730
September 28, 2026	2.72	2.79	2.79	2.85	2.72	5,993
September 25, 2026	2.89	2.79	2.79	2.89	2.72	4,396
September 24, 2026	2.81	2.81	2.81	2.89	2.75	4,925
September 23, 2026	2.81	2.81	2.81	2.9	2.74	16,917
September 22, 2026	2.8	2.9	2.9	2.9	2.8	459
September 21, 2026	2.72	2.8	2.8	2.8	2.72	319
September 18, 2026	2.81	2.78	2.78	2.81	2.73	322
September 17, 2026	2.85	2.8	2.8	2.85	2.75	3,188
September 16, 2026	2.9	2.91	2.91	2.91	2.85	13
September 15, 2026	3.05	2.72	2.72	3.05	2.72	1,752
September 11, 2026	2.86	2.79	2.79	2.86	2.79	95
September 10, 2026	2.96	2.86	2.86	3.05	2.73	8,377
September 09, 2026	2.81	2.99	2.99	2.99	2.78	26,406
September 08, 2026	2.66	2.79	2.79	2.98	2.56	59,896
September 07, 2026	2.81	2.61	2.61	2.81	2.61	9,732
September 04, 2026	2.6	2.57	2.57	2.6	2.57	1,028
September 03, 2026	2.65	2.67	2.67	2.77	2.65	2,546
September 02, 2026	2.65	2.66	2.66	2.67	2.65	1,252
September 01, 2026	2.79	2.71	2.71	2.79	2.71	5,680
August 31, 2026	2.75	2.65	2.65	2.75	2.65	2,799
August 28, 2026	2.72	2.71	2.71	2.72	2.7	1,650
August 27, 2026	2.73	2.75	2.75	2.83	2.67	8,167
August 26, 2026	2.65	2.8	2.8	2.8	2.65	4,646
August 25, 2026	2.22	2.65	2.65	2.79	2.22	7,707
August 24, 2026	2.7	2.8	2.8	2.84	2.65	582
August 21, 2026	2.78	2.65	2.65	2.78	2.65	18,513
August 20, 2026	3.05	2.83	2.83	3.05	2.78	371
August 19, 2026	2.89	2.84	2.84	2.89	2.84	1
August 18, 2026	2.87	2.87	2.87	2.87	2.87	800
August 17, 2026	2.85	2.88	2.88	2.88	2.85	852
August 14, 2026	2.8	2.83	2.83	2.83	2.76	500
August 13, 2026	2.76	2.8	2.8	2.8	2.76	182
August 12, 2026	2.8	2.8	2.8	2.8	2.8	158
August 11, 2026	2.78	2.81	2.81	2.85	2.76	1,109
August 10, 2026	2.78	2.83	2.83	2.88	2.78	456
August 07, 2026	3	2.78	2.78	3	2.78	1,008
August 06, 2026	2.78	2.83	2.83	2.89	2.78	385
August 05, 2026	3.05	2.89	2.89	3.05	2.89	299
August 04, 2026	2.9	2.83	2.83	2.9	2.78	999
August 03, 2026	2.95	2.9	2.9	3.04	2.8	16,696
July 31, 2026	2.76	2.91	2.91	2.91	2.76	10,321
July 30, 2026	2.82	2.76	2.76	2.82	2.76	5,720
July 29, 2026	2.72	2.75	2.75	2.8	2.7	4,295