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Contract OI history

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Oct 23, 2026 EXPIRATION

CIEN $315.00 Put

CIEN261023P00315000

Latest saved OI159Oct 23, 2026
Last change+9vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
CIEN $315.00 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. 159790 2026-10-02: 111 OI2026-10-05: 112 OI2026-10-06: 113 OI2026-10-07: 113 OI2026-10-08: 113 OI2026-10-09: 109 OI2026-10-13: 110 OI2026-10-14: 110 OI2026-10-15: 111 OI2026-10-16: 124 OI2026-10-21: 150 OI2026-10-23: 159 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, 2026Viewing159+9
Oct 21, 2026150+26
Oct 16, 2026124+13
Oct 15, 2026111+1
Oct 14, 20261100
Oct 13, 2026110+1
Oct 09, 2026109-4
Oct 08, 20261130
Oct 07, 20261130
Oct 06, 2026113+1
Oct 05, 2026112+1
Oct 02, 2026111No prior observation