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CIEN
Ciena Corporation
stock NYSE

At Close

Nov 19, 2025 3:59:57 PM EST

188.80USD+0.965%(+1.80)2,720,820

180.54Bid 197.63Ask 17.09Spread

Pre-market

Nov 19, 2025 9:16:30 AM EST

187.57USD+0.305%(+0.57)201

After-hours

Nov 19, 2025 4:51:30 PM EST

188.78USD-0.013%(-0.02)16,230

OverviewOptionsHistoricalExchangesShort Interest - DailyMore

As of 2025-10-31, there were 4,098,820 shares short with a short interest of 2.93%.

Price

Price

Historical data is split-adjusted.

1) Data from Finra. Finra publishes an updated file every two weeks.

2) Days to Cover (DTC) is also called Short Ratio. This is the Short Position / Average Daily Trading Volume.

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