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Contract OI history

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Nov 20, 2026 EXPIRATION

CIEN $330.00 Put

CIEN261120P00330000

Latest saved OI356Oct 23, 2026
Last change+10vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
CIEN $330.00 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. 3561780 2026-10-02: 291 OI2026-10-05: 304 OI2026-10-06: 310 OI2026-10-07: 308 OI2026-10-08: 308 OI2026-10-09: 306 OI2026-10-13: 327 OI2026-10-14: 327 OI2026-10-15: 331 OI2026-10-16: 330 OI2026-10-21: 346 OI2026-10-23: 356 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, 2026Viewing356+10
Oct 21, 2026346+16
Oct 16, 2026330-1
Oct 15, 2026331+4
Oct 14, 20263270
Oct 13, 2026327+21
Oct 09, 2026306-2
Oct 08, 20263080
Oct 07, 2026308-2
Oct 06, 2026310+6
Oct 05, 2026304+13
Oct 02, 2026291No prior observation