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Contract OI history

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Dec 18, 2026 EXPIRATION

CIEN $370.00 Call

CIEN261218C00370000

Latest saved OI362Oct 23, 2026
Last change+106vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
CIEN $370.00 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. 3621810 2026-10-02: 108 OI2026-10-05: 107 OI2026-10-06: 115 OI2026-10-07: 115 OI2026-10-08: 115 OI2026-10-09: 121 OI2026-10-13: 113 OI2026-10-14: 113 OI2026-10-15: 115 OI2026-10-16: 118 OI2026-10-21: 256 OI2026-10-23: 362 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, 2026Viewing362+106
Oct 21, 2026256+138
Oct 16, 2026118+3
Oct 15, 2026115+2
Oct 14, 20261130
Oct 13, 2026113-8
Oct 09, 2026121+6
Oct 08, 20261150
Oct 07, 20261150
Oct 06, 2026115+8
Oct 05, 2026107-1
Oct 02, 2026108No prior observation