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Dec 18, 2026 EXPIRATION

CIEN $200.00 Put

CIEN261218P00200000

Latest saved OI163Oct 23, 2026
Last change+7vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
CIEN $200.00 put open interest history 12 saved observations from 2026-10-02 to 2026-10-23. Exact values and changes are listed in the table below. 169840 2026-10-02: 169 OI2026-10-05: 158 OI2026-10-06: 158 OI2026-10-07: 154 OI2026-10-08: 154 OI2026-10-09: 153 OI2026-10-13: 152 OI2026-10-14: 152 OI2026-10-15: 152 OI2026-10-16: 152 OI2026-10-21: 156 OI2026-10-23: 163 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, 2026Viewing163+7
Oct 21, 2026156+4
Oct 16, 20261520
Oct 15, 20261520
Oct 14, 20261520
Oct 13, 2026152-1
Oct 09, 2026153-1
Oct 08, 20261540
Oct 07, 2026154-4
Oct 06, 20261580
Oct 05, 2026158-11
Oct 02, 2026169No prior observation