Ciena Corp historical data

Date	Open	High	Low	Close	Adj. close	Volume
2026-10-16	350.95	354.60	330.99	332.73	332.73	3,196,800
2026-10-15	342.50	357.83	333.15	356.52	356.52	3,483,800
2026-10-14	393.88	393.88	356.78	359.60	359.60	3,324,300
2026-10-13	393.33	401.87	381.64	400.40	400.40	2,736,500
2026-10-12	443.53	445.95	400.20	405.01	405.01	3,318,700
2026-10-09	436.00	454.73	424.02	449.77	449.77	3,773,200
2026-10-08	436.15	443.99	421.11	425.93	425.93	3,697,700
2026-10-07	428.98	448.00	422.30	446.45	446.45	3,369,200
2026-10-06	393.58	446.37	392.00	443.65	443.65	6,396,600
2026-10-05	393.77	397.47	382.50	389.69	389.69	2,473,900
2026-10-02	385.00	395.96	377.03	391.34	391.34	2,519,400
2026-10-01	355.19	381.00	350.68	379.14	379.14	2,564,300
2026-09-30	354.92	359.98	340.52	351.82	351.82	2,656,100
2026-09-29	350.16	356.21	344.80	354.92	354.92	2,226,000
2026-09-28	352.42	356.99	339.33	344.19	344.19	1,830,200
2026-09-25	363.00	366.43	355.01	356.91	356.91	1,616,900
2026-09-24	350.40	363.46	346.56	358.43	358.43	1,418,900
2026-09-23	368.64	369.00	351.53	355.91	355.91	1,851,600
2026-09-22	364.31	376.74	363.14	368.56	368.56	2,404,800
2026-09-21	365.05	367.62	356.46	365.96	365.96	2,886,500
2026-09-18	355.87	358.00	338.25	348.80	348.80	4,863,900

Page 1 of 1 · 21 trading days

Stock splits

Date	Split (new : old)
2006-09-25	1:7
2000-09-19	2:1

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.