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Contract OI history

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Nov 06, 2026 EXPIRATION

CIEN $320.00 Put

CIEN261106P00320000

Latest saved OI413Oct 23, 2026
Last change+312vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
CIEN $320.00 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. 4132060 2026-10-02: 0 OI2026-10-05: 0 OI2026-10-06: 14 OI2026-10-07: 14 OI2026-10-08: 14 OI2026-10-09: 14 OI2026-10-13: 15 OI2026-10-14: 15 OI2026-10-15: 16 OI2026-10-16: 16 OI2026-10-21: 101 OI2026-10-23: 413 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, 2026Viewing413+312
Oct 21, 2026101+85
Oct 16, 2026160
Oct 15, 202616+1
Oct 14, 2026150
Oct 13, 202615+1
Oct 09, 2026140
Oct 08, 2026140
Oct 07, 2026140
Oct 06, 202614+14
Oct 05, 202600
Oct 02, 20260No prior observation