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Contract OI history

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Jan 15, 2027 EXPIRATION

CIEN $220.00 Put

CIEN270115P00220000

Latest saved OI553Oct 23, 2026
Last change+148vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
CIEN $220.00 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. 5532760 2026-10-02: 406 OI2026-10-05: 406 OI2026-10-06: 406 OI2026-10-07: 406 OI2026-10-08: 406 OI2026-10-09: 405 OI2026-10-13: 405 OI2026-10-14: 405 OI2026-10-15: 404 OI2026-10-16: 404 OI2026-10-21: 405 OI2026-10-23: 553 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, 2026Viewing553+148
Oct 21, 2026405+1
Oct 16, 20264040
Oct 15, 2026404-1
Oct 14, 20264050
Oct 13, 20264050
Oct 09, 2026405-1
Oct 08, 20264060
Oct 07, 20264060
Oct 06, 20264060
Oct 05, 20264060
Oct 02, 2026406No prior observation