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Contract OI history

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Dec 18, 2026 EXPIRATION

CIEN $260.00 Put

CIEN261218P00260000

Latest saved OI221Oct 23, 2026
Last change+22vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
CIEN $260.00 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. 2211100 2026-10-02: 155 OI2026-10-05: 153 OI2026-10-06: 165 OI2026-10-07: 164 OI2026-10-08: 164 OI2026-10-09: 162 OI2026-10-13: 162 OI2026-10-14: 162 OI2026-10-15: 162 OI2026-10-16: 197 OI2026-10-21: 199 OI2026-10-23: 221 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, 2026Viewing221+22
Oct 21, 2026199+2
Oct 16, 2026197+35
Oct 15, 20261620
Oct 14, 20261620
Oct 13, 20261620
Oct 09, 2026162-2
Oct 08, 20261640
Oct 07, 2026164-1
Oct 06, 2026165+12
Oct 05, 2026153-2
Oct 02, 2026155No prior observation