Skip to main content
Equibles
CIEN logo

CIEN · Ciena Corp · Short Volume

Track CIEN — free

Use CIEN with AI

Add company filings, earnings and prices to ChatGPT or Claude, then ask questions in your own chat.

Choose your app for step-by-step connection instructions. Sign in with Equibles when asked; no code or API key is needed.

Claude ChatGPT

After connecting, ask your AI to use Equibles to research CIEN.

Other apps & server URL
https://mcp.equibles.com/mcp
Gemini CLI setup
or ask here

Free, nothing to set up — ALVIS runs on the same tools and cites every figure.

See what you can ask in ChatGPT or Claude

All connection guides →
$348.58 +4.38 (+1.27%)
S&P 500 member Russell 1000 member Rebalance outlook locked
Market Cap
$48.81B
Shares
141.81M
Volume · Oct 20 527.46K Avg daily vol (3M) 2.55M

Daily short-sale volume published by FINRA from its trade-reporting facilities. It measures how many shares were sold short each day as a share of total volume — a daily flow, not the total outstanding short position.

Pull daily short volume through the short interest API or MCP →
1M 3M 6M 1Y 5Y All
Dimensions
  • Add to chart

    • Short Volume

    Date Short Volume Short Exempt Total Volume Short %
    2026-10-19 816,814 191 1,636,132 49.9%
    2026-10-16 684,484 5,584 1,789,659 38.2%
    2026-10-15 654,830 62,573 1,816,029 36.1%
    2026-10-14 730,691 11,716 1,634,502 44.7%
    2026-10-13 673,779 53,568 1,493,595 45.1%
    2026-10-12 932,926 40,629 1,776,700 52.5%
    2026-10-09 1,223,027 361 2,144,925 57.0%
    2026-10-08 1,169,406 5,192 1,889,252 61.9%
    2026-10-07 926,531 2,335 1,772,609 52.3%
    2026-10-06 1,943,498 3,126 3,723,463 52.2%
    2026-10-05 840,840 68 1,544,303 54.4%
    2026-10-02 690,056 1,295 1,293,336 53.4%
    2026-10-01 566,078 2,013 1,170,666 48.4%
    2026-09-30 531,636 962 1,289,519 41.2%
    2026-09-29 545,098 106 1,087,193 50.1%
    2026-09-28 379,808 212 820,406 46.3%
    2026-09-25 394,508 1,632 787,153 50.1%
    2026-09-24 352,881 44 607,686 58.1%
    2026-09-23 461,419 12 905,188 51.0%
    2026-09-22 557,998 665 1,049,890 53.1%
    2026-09-21 716,410 865 1,429,866 50.1%
    2026-09-18 464,800 4,147 1,046,531 44.4%
    2026-09-17 793,903 1,038 1,673,776 47.4%
    2026-09-16 868,279 646 1,802,581 48.2%
    2026-09-15 707,495 328 1,470,350 48.1%
    2026-09-14 469,460 319 1,042,046 45.1%
    2026-09-11 401,394 88 890,569 45.1%
    2026-09-10 446,665 12 942,710 47.4%
    2026-09-09 373,935 5,230 813,263 46.0%
    2026-09-08 640,598 951 1,499,501 42.7%
    2026-09-04 583,172 36,755 1,605,734 36.3%
    2026-09-03 1,319,726 113,199 3,269,594 40.4%
    2026-09-02 378,623 850 1,224,433 30.9%
    2026-09-01 325,415 1,492 949,815 34.3%
    2026-08-31 192,358 742 601,477 32.0%
    2026-08-28 212,583 109 578,775 36.7%
    2026-08-27 216,987 137 540,291 40.2%
    2026-08-26 261,002 168 589,126 44.3%
    2026-08-25 188,420 139 484,926 38.9%
    2026-08-24 244,100 322 745,035 32.8%
    2026-08-21 196,213 17 493,808 39.7%
    2026-08-20 199,065 589 607,323 32.8%
    2026-08-19 341,731 34,993 732,746 46.6%
    2026-08-18 336,315 16,102 1,295,535 26.0%
    2026-08-17 370,726 1,133 1,206,550 30.7%
    2026-08-14 338,556 34,078 1,231,146 27.5%
    2026-08-13 628,698 124 1,425,924 44.1%
    2026-08-12 779,824 9,246 2,180,274 35.8%
    2026-08-11 210,816 4,924 631,889 33.4%
    2026-08-10 356,798 5,632 806,946 44.2%
    Showing 1–50 of 65 days
    Key facts CIK 936395 CUSIP 171779309 13F (30d) 156 filings 151 filers Visit website Investor relations