OITracker Cboe delayed data

Contract OI history

Back to CIEN

Dec 18, 2026 EXPIRATION

CIEN $390.00 Put

CIEN261218P00390000

Latest saved OI380Oct 23, 2026
Last change-3vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
CIEN $390.00 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. 3831910 2026-10-02: 374 OI2026-10-05: 378 OI2026-10-06: 378 OI2026-10-07: 378 OI2026-10-08: 378 OI2026-10-09: 379 OI2026-10-13: 376 OI2026-10-14: 376 OI2026-10-15: 378 OI2026-10-16: 379 OI2026-10-21: 383 OI2026-10-23: 380 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, 2026Viewing380-3
Oct 21, 2026383+4
Oct 16, 2026379+1
Oct 15, 2026378+2
Oct 14, 20263760
Oct 13, 2026376-3
Oct 09, 2026379+1
Oct 08, 20263780
Oct 07, 20263780
Oct 06, 20263780
Oct 05, 2026378+4
Oct 02, 2026374No prior observation