P/E Ratio (TTM)
86.90
Financial Fundamentals
CIEN • Quarterly Data • 5Y View
Quarterly P/E
| Quarter | P/E Ratio |
|---|---|
| 1997-01-31 | 9.44 |
| 1997-04-30 | 24.41 |
| 1997-07-31 | 38.98 |
| 1997-10-31 | 36.74 |
| 1998-01-31 | 34.41 |
| 1998-04-30 | 99.55 |
| 1998-07-31 | -6353.40 |
| 1998-10-31 | -125.33 |
| 1999-01-31 | -257.03 |
| 1999-04-30 | -293.75 |
| 1999-07-31 | -210.94 |
| 1999-10-31 | 274.93 |
| 2000-01-31 | 239.26 |
| 2000-04-30 | 272.34 |
| 2000-07-31 | 177.66 |
| 2000-10-31 | 292.01 |
| 2001-01-31 | 118.50 |
| 2001-04-30 | -83.06 |
| 2001-07-31 | 414.25 |
| 2001-10-31 | -0.74 |
| 2002-01-31 | -14.72 |
| 2002-04-30 | -1.01 |
| 2002-07-31 | -2.37 |
| 2002-10-31 | -0.52 |
| 2003-01-31 | -5.87 |
| 2003-04-30 | -7.00 |
| 2003-07-31 | -7.30 |
| 2003-10-31 | -6.60 |
| 2004-01-31 | -11.13 |
| 2004-04-30 | -6.45 |
| 2004-07-31 | -2.82 |
| 2004-10-31 | -0.69 |
| 2005-01-31 | -6.38 |
| 2005-04-30 | -4.42 |
| 2005-07-31 | -6.35 |
| 2005-10-31 | -1.36 |
| 2006-01-31 | -92.35 |
| 2006-04-30 | -306.44 |
| 2006-07-31 | -124.80 |
| 2006-10-31 | 39.18 |
| 2007-01-31 | 54.02 |
| 2007-04-30 | 48.60 |
| 2007-07-31 | 27.67 |
| 2007-10-31 | 34.19 |
| 2008-01-31 | 20.55 |
| 2008-04-30 | 31.31 |
| 2008-07-31 | 39.75 |
| 2008-10-31 | -8.58 |
| 2009-01-31 | -5.78 |
| 2009-04-30 | -0.54 |
| 2009-07-31 | -9.62 |
| 2009-10-31 | -10.11 |
| 2010-01-31 | -5.65 |
| 2010-04-30 | -4.78 |
| 2010-07-31 | -2.77 |
| 2010-10-31 | -3.95 |
| 2011-01-31 | -6.56 |
| 2011-04-30 | -10.70 |
| 2011-07-31 | -11.23 |
| 2011-10-31 | -14.33 |
| 2012-01-31 | -7.42 |
| 2012-04-30 | -13.23 |
| 2012-07-31 | -13.36 |
| 2012-10-31 | -7.96 |
| 2013-01-31 | -8.33 |
| 2013-04-30 | -13.85 |
| 2013-07-31 | -459.58 |
| 2013-10-31 | -61.50 |
| 2014-01-31 | -38.88 |
| 2014-04-30 | -49.42 |
| 2014-07-31 | 32.55 |
| 2014-10-31 | -14.45 |
| 2015-01-31 | -27.24 |
| 2015-05-02 | 29.57 |
| 2015-08-01 | 31.81 |
| 2015-10-31 | -60.35 |
| 2016-01-31 | -53.08 |
| 2016-04-30 | 42.07 |
| 2016-07-31 | 20.04 |
| 2016-10-31 | 18.63 |
| 2017-01-31 | 202.83 |
| 2017-04-30 | 21.21 |
| 2017-07-31 | 15.33 |
| 2017-10-31 | 0.66 |
| 2018-01-31 | -1.62 |
| 2018-04-30 | 64.38 |
| 2018-07-31 | 18.14 |
| 2018-10-31 | 17.37 |
| 2019-01-31 | 43.28 |
| 2019-04-30 | 28.21 |
| 2019-07-31 | 20.19 |
| 2019-10-31 | 17.85 |
| 2020-01-31 | 25.42 |
| 2020-05-02 | 19.31 |
| 2020-08-01 | 16.17 |
| 2020-10-31 | 23.45 |
| 2021-01-30 | 37.08 |
| 2021-05-01 | 19.12 |
| 2021-07-31 | 9.50 |
| 2021-10-31 | 20.62 |
| 2022-01-29 | 53.96 |
| 2022-04-30 | 53.05 |
| 2022-07-30 | 184.02 |
| 2022-10-31 | 30.71 |
| 2023-01-28 | 25.01 |
| 2023-04-29 | 29.51 |
| 2023-07-29 | 51.97 |
| 2023-10-31 | 17.02 |
| 2024-01-27 | 37.81 |
| 2024-04-27 | -97.10 |
| 2024-07-27 | 127.31 |
| 2024-11-02 | 61.51 |
| 2025-02-01 | 70.27 |
| 2025-05-03 | 289.55 |
| 2025-08-02 | 63.31 |
| 2025-11-01 | 339.14 |
| 2026-01-31 | 59.39 |
| 2026-05-02 | 86.90 |
* P/E ratios are calculated using trailing twelve-month (TTM) earnings.