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Contract OI history

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Oct 23, 2026 EXPIRATION

CIEN $375.00 Put

CIEN261023P00375000

Latest saved OI0Oct 23, 2026
Last change-126vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
CIEN $375.00 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. 126630 2026-10-02: 5 OI2026-10-05: 5 OI2026-10-06: 16 OI2026-10-07: 121 OI2026-10-08: 121 OI2026-10-09: 118 OI2026-10-13: 123 OI2026-10-14: 123 OI2026-10-15: 123 OI2026-10-16: 120 OI2026-10-21: 126 OI2026-10-23: 0 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, 2026Viewing0-126
Oct 21, 2026126+6
Oct 16, 2026120-3
Oct 15, 20261230
Oct 14, 20261230
Oct 13, 2026123+5
Oct 09, 2026118-3
Oct 08, 20261210
Oct 07, 2026121+105
Oct 06, 202616+11
Oct 05, 202650
Oct 02, 20265No prior observation