| WKN: | A0LDA7 | 
| ISIN: | US1717793095 | 
| Land: | USA | 
| Branche: | Hardware, Elektrotechnik & Telekommunikation | 
| Sektor: | Hardware | 
Weshalb die Ciena-Aktie
                                                ein A-Rating hat,
                                                erfahren Sie im Performance-Check
                                                vom 04. November 2025 Info.
| Datum | 
                    Erster Schluss  | 
                
                    Hoch Tief  | 
                Tief | Schluss | 
                        Volumen € Veränderung  | 
                    Veränderung | 
|---|---|---|---|---|---|---|
| 03.11.2025 | 
                        163,15 167,40  | 
                    
                        167,40 163,15  | 
                    163,15 | 167,40 | 
                            3.013 0,54%  | 
                        0,54% | 
| 31.10.2025 | 
                        166,40 166,50  | 
                    
                        166,50 166,05  | 
                    166,05 | 166,50 | 
                            63.090 0,30%  | 
                        0,30% | 
| 30.10.2025 | 
                        164,30 166,00  | 
                    
                        166,00 164,30  | 
                    164,30 | 166,00 | 
                            5.781 4,83%  | 
                        4,83% | 
| 29.10.2025 | 
                        156,45 158,35  | 
                    
                        158,35 156,45  | 
                    156,45 | 158,35 | 
                            950 2,23%  | 
                        2,23% | 
| 28.10.2025 | 
                        154,90 154,90  | 
                    
                        154,90 154,90  | 
                    154,90 | 154,90 | 
                            0 -2,58%  | 
                        -2,58% | 
| 27.10.2025 | 
                        157,35 159,00  | 
                    
                        159,00 157,00  | 
                    157,00 | 159,00 | 
                            10.941 7,65%  | 
                        7,65% | 
| 24.10.2025 | 
                        147,70 147,70  | 
                    
                        147,70 147,70  | 
                    147,70 | 147,70 | 
                            0 5,05%  | 
                        5,05% | 
| 23.10.2025 | 
                        140,60 140,60  | 
                    
                        140,60 140,60  | 
                    140,60 | 140,60 | 
                            0 -3,67%  | 
                        -3,67% | 
| 22.10.2025 | 
                        144,90 145,95  | 
                    
                        145,95 144,90  | 
                    144,90 | 145,95 | 
                            9.326 -2,70%  | 
                        -2,70% | 
| 21.10.2025 | 
                        147,35 150,00  | 
                    
                        150,00 147,35  | 
                    147,35 | 150,00 | 
                            4.650 0,44%  | 
                        0,44% | 
| 20.10.2025 | 
                        148,75 149,35  | 
                    
                        149,35 148,75  | 
                    148,75 | 149,35 | 
                            8.943 4,92%  | 
                        4,92% | 
| 17.10.2025 | 
                        142,95 142,35  | 
                    
                        142,95 142,35  | 
                    142,35 | 142,35 | 
                            1.567 -4,14%  | 
                        -4,14% | 
| 16.10.2025 | 
                        143,25 148,50  | 
                    
                        150,00 143,25  | 
                    143,25 | 148,50 | 
                            21.277 -0,77%  | 
                        -0,77% | 
| 15.10.2025 | 
                        141,10 149,65  | 
                    
                        149,65 141,10  | 
                    141,10 | 149,65 | 
                            9.178 5,02%  | 
                        5,02% | 
| 14.10.2025 | 
                        139,50 142,50  | 
                    
                        142,50 139,50  | 
                    139,50 | 142,50 | 
                            1.425 -2,93%  | 
                        -2,93% | 
| 13.10.2025 | 
                        137,50 146,80  | 
                    
                        146,80 137,50  | 
                    137,50 | 146,80 | 
                            13.941 6,45%  | 
                        6,45% | 
| 10.10.2025 | 
                        140,25 137,90  | 
                    
                        142,90 137,90  | 
                    137,90 | 137,90 | 
                            5.979 1,47%  | 
                        1,47% | 
| 09.10.2025 | 
                        135,90 135,90  | 
                    
                        135,90 135,90  | 
                    135,90 | 135,90 | 
                            0 4,66%  | 
                        4,66% | 
| 08.10.2025 | 
                        129,85 129,85  | 
                    
                        129,85 129,85  | 
                    129,85 | 129,85 | 
                            0 0,70%  | 
                        0,70% | 
| 07.10.2025 | 
                        130,50 128,95  | 
                    
                        130,50 128,70  | 
                    128,70 | 128,95 | 
                            2.189 0,08%  | 
                        0,08% | 
| Monat | 
                Erster Schluss  | 
            
                Hoch Tief  | 
            Tief | Schluss | Veränderung | 
|---|---|---|---|---|---|
| Januar | 
                    4,38 5,33  | 
                
                    6,30 4,38  | 
                4,38 | 5,33 | 21,69% | 
| Februar | 
                    5,33 4,37  | 
                
                    5,05 4,07  | 
                4,07 | 4,37 | -18,01% | 
| März | 
                    4,37 6,07  | 
                
                    6,20 3,98  | 
                3,98 | 6,07 | 38,90% | 
| April | 
                    6,07 9,28  | 
                
                    9,28 6,00  | 
                6,00 | 9,28 | 52,88% | 
| Mai | 
                    9,28 7,56  | 
                
                    9,28 6,88  | 
                6,88 | 7,56 | -18,53% | 
| Juni | 
                    7,56 7,20  | 
                
                    8,50 6,73  | 
                6,73 | 7,20 | -4,76% | 
| Juli | 
                    7,20 7,73  | 
                
                    8,31 6,27  | 
                6,27 | 7,73 | 7,36% | 
| August | 
                    7,73 9,14  | 
                
                    9,57 7,69  | 
                7,69 | 9,14 | 18,24% | 
| September | 
                    9,14 10,97  | 
                
                    11,15 8,52  | 
                8,52 | 10,97 | 20,02% | 
| Oktober | 
                    10,97 8,19  | 
                
                    10,40 8,17  | 
                8,17 | 8,19 | -25,34% | 
| November | 
                    8,19 8,20  | 
                
                    9,18 7,68  | 
                7,68 | 8,20 | 0,12% | 
| Dezember | 
                    8,20 7,45  | 
                
                    9,12 7,39  | 
                7,39 | 7,45 | -9,15% | 
| 97 | 98 | 99 | 00 | 01 | 02 | 03 | 04 | 05 | 06 | 07 | 08 | 09 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | |||||
| Jahr | 
                    Erster Schluss  | 
                
                    Hoch Tief  | 
                Tief | Schluss | Veränderung | 
|---|---|---|---|---|---|
| 2025 | 
                        82,52 166,50  | 
                    
                        166,50 45,50  | 
                    45,50 | 166,50 | 101,77% | 
| 2024 | 
                        40,40 82,52  | 
                    
                        87,08 40,40  | 
                    40,40 | 82,52 | 104,26% | 
| 2023 | 
                        46,80 40,40  | 
                    
                        48,49 36,40  | 
                    36,40 | 40,40 | -13,68% | 
| 2022 | 
                        67,22 46,80  | 
                    
                        68,04 39,32  | 
                    39,32 | 46,80 | -30,38% | 
| 2021 | 
                        42,16 67,22  | 
                    
                        68,60 40,70  | 
                    40,70 | 67,22 | 59,44% | 
| 2020 | 
                        38,88 42,16  | 
                    
                        52,14 30,46  | 
                    30,46 | 42,16 | 8,44% | 
| 2019 | 
                        28,82 38,88  | 
                    
                        41,40 28,68  | 
                    28,68 | 38,88 | 34,91% | 
| 2018 | 
                        17,54 28,82  | 
                    
                        31,61 17,09  | 
                    17,09 | 28,82 | 64,31% | 
| 2017 | 
                        22,76 17,54  | 
                    
                        25,15 16,67  | 
                    16,67 | 17,54 | -22,93% | 
| 2016 | 
                        19,77 22,76  | 
                    
                        23,77 13,69  | 
                    13,69 | 22,76 | 15,12% | 
| 2015 | 
                        15,99 19,77  | 
                    
                        24,00 15,69  | 
                    15,69 | 19,77 | 23,64% | 
| 2014 | 
                        17,00 15,99  | 
                    
                        18,72 10,99  | 
                    10,99 | 15,99 | -5,94% | 
| 2013 | 
                        11,54 17,00  | 
                    
                        20,22 10,69  | 
                    10,69 | 17,00 | 47,31% | 
| 2012 | 
                        9,27 11,54  | 
                    
                        14,68 9,15  | 
                    9,15 | 11,54 | 24,49% | 
| 2011 | 
                        16,05 9,27  | 
                    
                        20,67 7,30  | 
                    7,30 | 9,27 | -42,24% | 
| 2010 | 
                        7,45 16,05  | 
                    
                        16,30 7,45  | 
                    7,45 | 16,05 | 115,44% | 
| 2009 | 
                        4,38 7,45  | 
                    
                        11,15 3,98  | 
                    3,98 | 7,45 | 70,09% | 
| 2008 | 
                        22,64 4,38  | 
                    
                        22,80 4,33  | 
                    4,33 | 4,38 | -80,65% | 
| 2007 | 
                        21,35 22,64  | 
                    
                        34,10 18,77  | 
                    18,77 | 22,64 | 6,04% | 
| 2006 | 
                        17,57 21,35  | 
                    
                        32,06 17,29  | 
                    17,29 | 21,35 | 21,51% | 
| 2005 | 
                        16,94 17,57  | 
                    
                        18,34 9,10  | 
                    9,10 | 17,57 | 3,72% | 
| 2004 | 
                        34,09 16,94  | 
                    
                        46,06 9,80  | 
                    9,80 | 16,94 | -50,31% | 
| 2003 | 
                        35,70 34,09  | 
                    
                        49,00 27,30  | 
                    27,30 | 34,09 | -4,51% | 
| 2002 | 
                        112,35 35,70  | 
                    
                        134,40 17,50  | 
                    17,50 | 35,70 | -68,22% | 
| 2001 | 
                        665,00 112,35  | 
                    
                        777,00 74,20  | 
                    74,20 | 112,35 | -83,11% | 
| 2000 | 
                        210,00 665,00  | 
                    
                        1.242,50 168,00  | 
                    168,00 | 665,00 | 216,67% | 
| 1999 | 
                        40,26 210,00  | 
                    
                        253,75 40,26  | 
                    40,26 | 210,00 | 421,61% | 
| 1998 | 
                        195,95 40,26  | 
                    
                        284,53 23,26  | 
                    23,26 | 40,26 | -79,45% | 
| 1997 | 
                        166,43 195,95  | 
                    
                        198,64 141,37  | 
                    141,37 | 195,95 | 17,74% |