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CIEN
S&P 500
Ciena Corporation
Oct 28, 2026
+3.43%
Rank
#24
of 514
Up Days
3
/5
Down Days
2
/5
Best Day
+4.89%
Worst Day
-10.71%
3 day streak
Last 5 Trading Days
Wed, Oct 28
+3.43%
Tue, Oct 27
+4.53%
Mon, Oct 26
+4.89%
Fri, Oct 23
-0.74%
Thu, Oct 22
-10.71%
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CIEN - Ciena Corporation Stock Performance on Oct 28, 2026 | Daily Stock Winner | Daily Stock Winner