The closing price for Ciena (CIEN) in December 2017 was $20.93, on December 29, 2017. It was down 2.8% for the month. The latest price is $490.62.
| DATE | OPEN | HIGH | LOW | CLOSE | VOLUME |
|---|---|---|---|---|---|
December 29 2017 | $21.00 | $21.16 | $20.71 | $20.93 | 2,749,700 |
December 28 2017 | $21.56 | $21.63 | $21.16 | $21.39 | 2,029,400 |
December 27 2017 | $21.69 | $21.85 | $21.52 | $21.55 | 1,398,700 |
December 26 2017 | $21.63 | $21.86 | $21.49 | $21.69 | 2,254,300 |
December 22 2017 | $21.59 | $21.79 | $21.33 | $21.69 | 2,041,600 |
December 21 2017 | $21.17 | $21.71 | $21.15 | $21.62 | 2,506,600 |
December 20 2017 | $21.09 | $21.41 | $20.98 | $21.38 | 2,231,200 |
December 19 2017 | $21.07 | $21.36 | $20.95 | $21.07 | 3,055,000 |
December 18 2017 | $21.35 | $21.56 | $21.06 | $21.07 | 3,326,800 |
December 15 2017 | $21.31 | $21.54 | $21.24 | $21.33 | 3,357,300 |
December 14 2017 | $21.54 | $21.57 | $21.17 | $21.25 | 2,355,900 |
December 13 2017 | $21.58 | $21.87 | $21.46 | $21.50 | 3,358,000 |
December 12 2017 | $21.83 | $21.84 | $21.53 | $21.58 | 5,586,700 |
December 11 2017 | $20.96 | $21.80 | $20.96 | $21.77 | 4,291,200 |
December 08 2017 | $20.50 | $21.30 | $20.30 | $20.93 | 5,960,000 |
December 07 2017 | $21.75 | $21.81 | $19.99 | $20.76 | 15,390,800 |
December 06 2017 | $21.28 | $21.55 | $21.10 | $21.17 | 5,212,100 |
December 05 2017 | $21.31 | $21.76 | $21.01 | $21.44 | 3,446,400 |
December 04 2017 | $21.92 | $22.03 | $21.43 | $21.60 | 3,234,400 |
December 01 2017 | $21.53 | $21.80 | $21.14 | $21.73 | 2,891,100 |
Daily pricing data for Ciena dates back to 2/7/1997, and may be incomplete.