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Contract OI history

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Dec 18, 2026 EXPIRATION

CIEN $900.00 Call

CIEN261218C00900000

Latest saved OI95Oct 23, 2026
Last change-5vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
CIEN $900.00 call open interest history 12 saved observations from 2026-10-02 to 2026-10-23. Exact values and changes are listed in the table below. 100500 2026-10-02: 99 OI2026-10-05: 99 OI2026-10-06: 99 OI2026-10-07: 100 OI2026-10-08: 100 OI2026-10-09: 100 OI2026-10-13: 100 OI2026-10-14: 100 OI2026-10-15: 100 OI2026-10-16: 100 OI2026-10-21: 100 OI2026-10-23: 95 OI Oct 02, 2026Oct 23, 2026

All saved dates are shown. Changes compare consecutive saved observations. Missing observations are not filled with zero.

CIEN contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing95-5
Oct 21, 20261000
Oct 16, 20261000
Oct 15, 20261000
Oct 14, 20261000
Oct 13, 20261000
Oct 09, 20261000
Oct 08, 20261000
Oct 07, 2026100+1
Oct 06, 2026990
Oct 05, 2026990
Oct 02, 202699No prior observation