Source: ISA verified dataset (SD-5 release) · as of 2026-10-09 · dataset v1.0.0 · N = 35 (repurchase quarters for this name)

CIEN — Repurchase Quarters

Repurchase quarters for CIEN are quarterly aggregates of share repurchase executions as disclosed in cash-flow statements, keyed to the filing acceptance date. This page records what the shares did after those quarters, over the certified span 2018-03-07 to 2026-09-03.

N = 35 repurchase quarters

Repurchase quarters 35
Span 2018-03-07 to 2026-09-03
Total repurchased (all quarters, as disclosed) $2,527,553,000
HorizonFinished higherMedian moveN counted
1 sessions25.71%-1.24%35
5 sessions48.57%-0.21%35
20 sessions51.43%0.12%35
60 sessions55.88%4.33%34
120 sessions75.76%12.57%33

Historical base rates, hit-rates, and medians describe past empirical distributions only and do not constitute investment advice or a prediction of future price or earnings outcomes.

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Source: ISA verified dataset (SD-5 release) · as of 2026-10-09 · dataset v1.0.0 · N = 35 (repurchase quarters for this name)