CIEN
CIENA CORPCompany with tickers: CIEN
CIK
936395
Shares Outstanding
141,398,427
Price
Holdings
Short Volume
Short Interest
Fails to Deliver
SEC Filings
Earnings Calls
Insider Trading
Congress Trades
Short Interest History
| Settlement Date | Current Position | Previous Position | Change | Days to Cover |
|---|---|---|---|---|
| 2026-03-31 | 5,977,920 | 5,044,648 | +933,272 | 1.66 |
| 2026-03-13 | 5,044,648 | 6,258,043 | -1,213,395 | 1.52 |
| 2026-02-27 | 6,258,043 | 5,619,035 | +639,008 | 2.58 |
| 2026-02-13 | 5,619,035 | 4,244,185 | +1,374,850 | 1.00 |
| 2026-01-30 | 4,244,185 | 5,952,010 | -1,707,825 | 1.88 |
| 2026-01-15 | 5,952,010 | 6,498,989 | -546,979 | 2.23 |
| 2025-12-31 | 6,498,989 | 7,308,972 | -809,983 | 3.09 |
| 2025-12-15 | 7,308,972 | 6,406,321 | +902,651 | 2.01 |
| 2025-11-28 | 6,406,321 | 5,836,886 | +569,435 | 1.58 |
| 2025-11-14 | 5,836,886 | 4,098,820 | +1,738,066 | 1.84 |
| 2025-10-31 | 4,098,820 | 4,426,005 | -327,185 | 1.82 |
| 2025-10-15 | 4,426,005 | 4,852,614 | -426,609 | 1.78 |
| 2025-09-30 | 4,852,614 | 4,011,138 | +841,476 | 1.77 |
| 2025-09-15 | 4,011,138 | 4,759,717 | -748,579 | 1.00 |
| 2025-08-29 | 4,759,717 | 5,442,615 | -682,898 | 2.71 |
| 2025-08-15 | 5,442,615 | 5,744,440 | -301,825 | 3.29 |
| 2025-07-31 | 5,744,440 | 5,434,389 | +310,051 | 3.44 |
| 2025-07-15 | 5,434,389 | 6,181,305 | -746,916 | 2.34 |
| 2025-06-30 | 6,181,305 | 4,870,918 | +1,310,387 | 2.70 |
| 2025-06-13 | 4,870,918 | 3,757,963 | +1,112,955 | 1.27 |
| 2025-05-30 | 3,757,963 | 3,900,086 | -142,123 | 3.20 |
| 2025-05-15 | 3,900,086 | 4,200,813 | -300,727 | 2.41 |
| 2025-04-30 | 4,200,813 | 4,489,438 | -288,625 | 2.75 |
| 2025-04-15 | 4,489,438 | 3,959,977 | +529,461 | 1.68 |