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Contract OI history

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Dec 18, 2026 EXPIRATION

CIEN $800.00 Call

CIEN261218C00800000

Latest saved OI154Oct 23, 2026
Last change+8vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
CIEN $800.00 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. 154770 2026-10-02: 147 OI2026-10-05: 147 OI2026-10-06: 143 OI2026-10-07: 143 OI2026-10-08: 143 OI2026-10-09: 143 OI2026-10-13: 143 OI2026-10-14: 143 OI2026-10-15: 143 OI2026-10-16: 143 OI2026-10-21: 146 OI2026-10-23: 154 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, 2026Viewing154+8
Oct 21, 2026146+3
Oct 16, 20261430
Oct 15, 20261430
Oct 14, 20261430
Oct 13, 20261430
Oct 09, 20261430
Oct 08, 20261430
Oct 07, 20261430
Oct 06, 2026143-4
Oct 05, 20261470
Oct 02, 2026147No prior observation