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Contract OI history

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Jan 15, 2027 EXPIRATION

CIEN $290.00 Put

CIEN270115P00290000

Latest saved OI282Oct 23, 2026
Last change-5vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
CIEN $290.00 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. 2891440 2026-10-02: 105 OI2026-10-05: 105 OI2026-10-06: 107 OI2026-10-07: 106 OI2026-10-08: 106 OI2026-10-09: 116 OI2026-10-13: 275 OI2026-10-14: 275 OI2026-10-15: 289 OI2026-10-16: 287 OI2026-10-21: 287 OI2026-10-23: 282 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, 2026Viewing282-5
Oct 21, 20262870
Oct 16, 2026287-2
Oct 15, 2026289+14
Oct 14, 20262750
Oct 13, 2026275+159
Oct 09, 2026116+10
Oct 08, 20261060
Oct 07, 2026106-1
Oct 06, 2026107+2
Oct 05, 20261050
Oct 02, 2026105No prior observation