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Contract OI history

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Nov 20, 2026 EXPIRATION

CIEN $260.00 Put

CIEN261120P00260000

Latest saved OI134Oct 23, 2026
Last change+50vs 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. 134670 2026-10-02: 85 OI2026-10-05: 83 OI2026-10-06: 80 OI2026-10-07: 80 OI2026-10-08: 80 OI2026-10-09: 79 OI2026-10-13: 78 OI2026-10-14: 78 OI2026-10-15: 78 OI2026-10-16: 78 OI2026-10-21: 84 OI2026-10-23: 134 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, 2026Viewing134+50
Oct 21, 202684+6
Oct 16, 2026780
Oct 15, 2026780
Oct 14, 2026780
Oct 13, 202678-1
Oct 09, 202679-1
Oct 08, 2026800
Oct 07, 2026800
Oct 06, 202680-3
Oct 05, 202683-2
Oct 02, 202685No prior observation