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Contract OI history

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Dec 18, 2026 EXPIRATION

CIEN $190.00 Put

CIEN261218P00190000

Latest saved OI62Oct 23, 2026
Last change+5vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
CIEN $190.00 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. 62310 2026-10-02: 56 OI2026-10-05: 56 OI2026-10-06: 56 OI2026-10-07: 56 OI2026-10-08: 56 OI2026-10-09: 56 OI2026-10-13: 56 OI2026-10-14: 56 OI2026-10-15: 57 OI2026-10-16: 57 OI2026-10-21: 57 OI2026-10-23: 62 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, 2026Viewing62+5
Oct 21, 2026570
Oct 16, 2026570
Oct 15, 202657+1
Oct 14, 2026560
Oct 13, 2026560
Oct 09, 2026560
Oct 08, 2026560
Oct 07, 2026560
Oct 06, 2026560
Oct 05, 2026560
Oct 02, 202656No prior observation