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Contract OI history

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Jun 17, 2027 EXPIRATION

CIEN $230.00 Put

CIEN270617P00230000

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 $230.00 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. 163810 2026-10-02: 153 OI2026-10-05: 153 OI2026-10-06: 151 OI2026-10-07: 151 OI2026-10-08: 151 OI2026-10-09: 155 OI2026-10-13: 156 OI2026-10-14: 156 OI2026-10-15: 156 OI2026-10-16: 156 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, 20261560
Oct 16, 20261560
Oct 15, 20261560
Oct 14, 20261560
Oct 13, 2026156+1
Oct 09, 2026155+4
Oct 08, 20261510
Oct 07, 20261510
Oct 06, 2026151-2
Oct 05, 20261530
Oct 02, 2026153No prior observation