Ciena Corp historical data
| Date | Open | High | Low | Close | Adj. close | Volume |
|---|---|---|---|---|---|---|
| 2017-12-21 | 21.170 | 21.710 | 21.150 | 21.620 | 21.620 | 2,506,600 |
| 2017-12-20 | 21.090 | 21.410 | 20.980 | 21.380 | 21.380 | 2,231,200 |
| 2017-12-19 | 21.070 | 21.360 | 20.950 | 21.070 | 21.070 | 3,055,000 |
| 2017-12-18 | 21.350 | 21.560 | 21.060 | 21.070 | 21.070 | 3,326,800 |
| 2017-12-15 | 21.310 | 21.540 | 21.240 | 21.330 | 21.330 | 3,357,300 |
| 2017-12-14 | 21.540 | 21.570 | 21.170 | 21.250 | 21.250 | 2,355,900 |
| 2017-12-13 | 21.580 | 21.870 | 21.460 | 21.500 | 21.500 | 3,358,000 |
| 2017-12-12 | 21.830 | 21.840 | 21.530 | 21.580 | 21.580 | 5,586,700 |
| 2017-12-11 | 20.960 | 21.800 | 20.960 | 21.770 | 21.770 | 4,291,200 |
| 2017-12-08 | 20.500 | 21.300 | 20.300 | 20.930 | 20.930 | 5,960,000 |
| 2017-12-07 | 21.750 | 21.810 | 19.990 | 20.760 | 20.760 | 15,390,800 |
| 2017-12-06 | 21.280 | 21.550 | 21.100 | 21.170 | 21.170 | 5,212,100 |
| 2017-12-05 | 21.310 | 21.760 | 21.010 | 21.440 | 21.440 | 3,446,400 |
| 2017-12-04 | 21.920 | 22.030 | 21.430 | 21.600 | 21.600 | 3,234,400 |
| 2017-12-01 | 21.530 | 21.800 | 21.140 | 21.730 | 21.730 | 2,891,100 |
| 2017-11-30 | 21.460 | 22.000 | 21.410 | 21.750 | 21.750 | 2,673,000 |
| 2017-11-29 | 21.610 | 21.700 | 21.180 | 21.360 | 21.360 | 3,063,800 |
| 2017-11-28 | 21.650 | 21.690 | 21.380 | 21.610 | 21.610 | 1,820,600 |
| 2017-11-27 | 21.610 | 21.940 | 21.250 | 21.480 | 21.480 | 3,730,600 |
| 2017-11-24 | 20.790 | 21.080 | 20.790 | 20.980 | 20.980 | 676,500 |
| 2017-11-22 | 20.580 | 21.130 | 20.580 | 20.840 | 20.840 | 1,602,300 |
| 2017-11-21 | 20.550 | 20.800 | 20.440 | 20.520 | 20.520 | 2,087,200 |
| 2017-11-20 | 20.210 | 20.740 | 20.200 | 20.490 | 20.490 | 2,052,800 |
| 2017-11-17 | 20.360 | 20.480 | 20.180 | 20.210 | 20.210 | 2,519,000 |
| 2017-11-16 | 20.000 | 20.500 | 19.930 | 20.400 | 20.400 | 2,973,900 |
| 2017-11-15 | 19.500 | 19.990 | 19.400 | 19.840 | 19.840 | 3,051,600 |
| 2017-11-14 | 19.740 | 19.930 | 19.610 | 19.650 | 19.650 | 2,313,300 |
| 2017-11-13 | 19.760 | 19.950 | 19.630 | 19.690 | 19.690 | 3,661,600 |
| 2017-11-10 | 19.650 | 20.110 | 19.610 | 19.940 | 19.940 | 2,795,800 |
| 2017-11-09 | 20.030 | 20.310 | 19.490 | 19.570 | 19.570 | 5,245,400 |
| 2017-11-08 | 20.000 | 20.540 | 19.720 | 20.490 | 20.490 | 2,187,600 |
| 2017-11-07 | 20.190 | 20.350 | 19.910 | 19.960 | 19.960 | 2,487,700 |
| 2017-11-06 | 20.300 | 20.720 | 20.190 | 20.400 | 20.400 | 1,673,700 |
| 2017-11-03 | 19.940 | 20.220 | 19.760 | 20.140 | 20.140 | 2,864,300 |
| 2017-11-02 | 20.630 | 20.630 | 19.520 | 19.760 | 19.760 | 7,177,300 |
| 2017-11-01 | 21.510 | 21.510 | 20.860 | 20.880 | 20.880 | 2,110,000 |
| 2017-10-31 | 20.960 | 21.430 | 20.910 | 21.270 | 21.270 | 2,855,900 |
| 2017-10-30 | 20.840 | 21.000 | 20.290 | 20.810 | 20.810 | 2,865,700 |
| 2017-10-27 | 21.410 | 21.500 | 20.890 | 20.930 | 20.930 | 4,860,900 |
| 2017-10-26 | 21.470 | 21.590 | 21.140 | 21.230 | 21.230 | 3,344,400 |
| 2017-10-25 | 21.980 | 22.170 | 21.660 | 21.850 | 21.850 | 3,004,800 |
| 2017-10-24 | 22.100 | 22.370 | 22.050 | 22.160 | 22.160 | 2,575,000 |
| 2017-10-23 | 21.940 | 22.130 | 21.820 | 22.050 | 22.050 | 2,083,800 |
| 2017-10-20 | 21.650 | 22.040 | 21.450 | 21.940 | 21.940 | 2,313,700 |
| 2017-10-19 | 21.100 | 21.730 | 21.100 | 21.410 | 21.410 | 2,119,100 |
| 2017-10-18 | 21.470 | 21.590 | 21.270 | 21.420 | 21.420 | 2,098,000 |
| 2017-10-17 | 21.320 | 21.470 | 21.120 | 21.250 | 21.250 | 4,313,600 |
| 2017-10-16 | 21.830 | 21.840 | 21.120 | 21.290 | 21.290 | 4,014,900 |
| 2017-10-13 | 21.720 | 21.890 | 21.580 | 21.870 | 21.870 | 1,468,200 |
| 2017-10-12 | 21.400 | 22.100 | 21.130 | 21.770 | 21.770 | 2,855,900 |
| 2017-10-11 | 21.650 | 21.890 | 21.510 | 21.600 | 21.600 | 2,614,900 |
| 2017-10-10 | 22.140 | 22.200 | 21.670 | 21.740 | 21.740 | 2,208,200 |
| 2017-10-09 | 22.220 | 22.370 | 21.780 | 22.040 | 22.040 | 2,006,000 |
| 2017-10-06 | 22.110 | 22.360 | 22.110 | 22.210 | 22.210 | 1,866,200 |
| 2017-10-05 | 22.170 | 22.350 | 22.080 | 22.220 | 22.220 | 2,198,900 |
| 2017-10-04 | 22.220 | 22.310 | 21.970 | 22.100 | 22.100 | 2,482,900 |
| 2017-10-03 | 22.590 | 22.630 | 22.160 | 22.260 | 22.260 | 2,482,300 |
| 2017-10-02 | 21.990 | 22.570 | 21.990 | 22.560 | 22.560 | 2,202,700 |
| 2017-09-29 | 22.050 | 22.240 | 21.850 | 21.970 | 21.970 | 2,319,400 |
| 2017-09-28 | 22.120 | 22.230 | 21.980 | 22.070 | 22.070 | 3,432,300 |
Stock splits
| Date | Split (new : old) |
|---|---|
| 2006-09-25 | 1:7 |
| 2000-09-19 | 2:1 |
Dividends
No dividends on record.
Open, high, low and close are as traded (USD). Adjusted close accounts for splits and dividends. Educational only, not financial advice.