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Contract OI history

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Jan 15, 2027 EXPIRATION

CIEN $350.00 Put

CIEN270115P00350000

Latest saved OI616Oct 23, 2026
Last change-1vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
CIEN $350.00 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. 6173080 2026-10-02: 573 OI2026-10-05: 573 OI2026-10-06: 575 OI2026-10-07: 576 OI2026-10-08: 576 OI2026-10-09: 583 OI2026-10-13: 587 OI2026-10-14: 587 OI2026-10-15: 587 OI2026-10-16: 587 OI2026-10-21: 617 OI2026-10-23: 616 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, 2026Viewing616-1
Oct 21, 2026617+30
Oct 16, 20265870
Oct 15, 20265870
Oct 14, 20265870
Oct 13, 2026587+4
Oct 09, 2026583+7
Oct 08, 20265760
Oct 07, 2026576+1
Oct 06, 2026575+2
Oct 05, 20265730
Oct 02, 2026573No prior observation