P/E Ratio (TTM)
59.35
Financial Fundamentals
CIEN • Quarterly Data • 5Y View
Quarterly P/E
| Quarter | P/E Ratio |
|---|---|
| 1997-01-31 | 67.96 |
| 1997-04-30 | 24.41 |
| 1997-07-31 | 39.87 |
| 1997-10-31 | 36.61 |
| 1998-01-31 | 34.33 |
| 1998-04-30 | 98.90 |
| 1998-07-31 | 898.02 |
| 1998-10-31 | -126.70 |
| 1999-01-31 | 212.33 |
| 1999-04-30 | 486.63 |
| 1999-07-31 | -210.94 |
| 1999-10-31 | 265.23 |
| 2000-01-31 | 249.04 |
| 2000-04-30 | 266.56 |
| 2000-07-31 | 178.16 |
| 2000-10-31 | 292.80 |
| 2001-01-31 | 121.40 |
| 2001-04-30 | -83.23 |
| 2001-07-31 | 475.31 |
| 2001-10-31 | -0.74 |
| 2002-01-31 | -14.74 |
| 2002-04-30 | -1.01 |
| 2002-07-31 | -2.37 |
| 2002-10-31 | -0.52 |
| 2003-01-31 | -5.86 |
| 2003-04-30 | -7.02 |
| 2003-07-31 | -7.31 |
| 2003-10-31 | -6.58 |
| 2004-01-31 | -11.18 |
| 2004-04-30 | -6.44 |
| 2004-07-31 | -2.82 |
| 2004-10-31 | -0.69 |
| 2005-01-31 | -6.40 |
| 2005-04-30 | -4.41 |
| 2005-07-31 | -6.36 |
| 2005-10-31 | -1.36 |
| 2006-01-31 | -92.35 |
| 2006-04-30 | -306.85 |
| 2006-07-31 | -124.82 |
| 2006-10-31 | 38.04 |
| 2007-01-31 | 53.96 |
| 2007-04-30 | 47.74 |
| 2007-07-31 | 27.63 |
| 2007-10-31 | 33.95 |
| 2008-01-31 | 20.46 |
| 2008-04-30 | 31.70 |
| 2008-07-31 | 39.77 |
| 2008-10-31 | -8.51 |
| 2009-01-31 | -5.69 |
| 2009-04-30 | -0.54 |
| 2009-07-31 | -9.64 |
| 2009-10-31 | -10.09 |
| 2010-01-31 | -5.67 |
| 2010-04-30 | -4.77 |
| 2010-07-31 | -2.77 |
| 2010-10-31 | -3.97 |
| 2011-01-31 | -6.58 |
| 2011-04-30 | -10.74 |
| 2011-07-31 | -11.35 |
| 2011-10-31 | -14.35 |
| 2012-01-31 | -7.49 |
| 2012-04-30 | -13.20 |
| 2012-07-31 | -13.38 |
| 2012-10-31 | -7.96 |
| 2013-01-31 | -8.33 |
| 2013-04-30 | -13.85 |
| 2013-07-31 | -460.16 |
| 2013-10-31 | -61.47 |
| 2014-01-31 | -38.25 |
| 2014-04-30 | -49.42 |
| 2014-07-31 | 32.10 |
| 2014-10-31 | -14.59 |
| 2015-01-31 | -26.57 |
| 2015-05-02 | 29.26 |
| 2015-08-01 | 31.89 |
| 2015-10-31 | -58.51 |
| 2016-01-31 | -53.09 |
| 2016-04-30 | 41.47 |
| 2016-07-31 | 19.91 |
| 2016-10-31 | 18.51 |
| 2017-01-31 | 221.72 |
| 2017-04-30 | 21.35 |
| 2017-07-31 | 15.28 |
| 2017-10-31 | 0.66 |
| 2018-01-31 | -1.62 |
| 2018-04-30 | 66.89 |
| 2018-07-31 | 17.91 |
| 2018-10-31 | 17.55 |
| 2019-01-31 | 44.28 |
| 2019-04-30 | 28.40 |
| 2019-07-31 | 20.26 |
| 2019-10-31 | 17.89 |
| 2020-01-31 | 25.18 |
| 2020-05-02 | 19.45 |
| 2020-08-01 | 16.12 |
| 2020-10-31 | 23.42 |
| 2021-01-30 | 37.42 |
| 2021-05-01 | 19.01 |
| 2021-07-31 | 9.47 |
| 2021-10-31 | 20.72 |
| 2022-01-29 | 54.46 |
| 2022-04-30 | 53.93 |
| 2022-07-30 | 183.91 |
| 2022-10-31 | 30.86 |
| 2023-01-28 | 24.95 |
| 2023-04-29 | 29.87 |
| 2023-07-29 | 52.33 |
| 2023-10-31 | 17.06 |
| 2024-01-27 | 37.70 |
| 2024-04-27 | -100.22 |
| 2024-07-27 | 127.25 |
| 2024-11-02 | 62.50 |
| 2025-02-01 | 69.83 |
| 2025-05-03 | 289.37 |
| 2025-08-02 | 62.47 |
| 2025-11-01 | 344.79 |
| 2026-01-31 | 59.35 |
* P/E ratios are calculated using trailing twelve-month (TTM) earnings.