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Contract OI history

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Dec 18, 2026 EXPIRATION

CIEN $360.00 Put

CIEN261218P00360000

Latest saved OI196Oct 23, 2026
Last change+4vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
CIEN $360.00 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. 196980 2026-10-02: 162 OI2026-10-05: 165 OI2026-10-06: 164 OI2026-10-07: 164 OI2026-10-08: 164 OI2026-10-09: 173 OI2026-10-13: 188 OI2026-10-14: 188 OI2026-10-15: 187 OI2026-10-16: 192 OI2026-10-21: 192 OI2026-10-23: 196 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, 2026Viewing196+4
Oct 21, 20261920
Oct 16, 2026192+5
Oct 15, 2026187-1
Oct 14, 20261880
Oct 13, 2026188+15
Oct 09, 2026173+9
Oct 08, 20261640
Oct 07, 20261640
Oct 06, 2026164-1
Oct 05, 2026165+3
Oct 02, 2026162No prior observation