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Contract OI history

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Mar 19, 2027 EXPIRATION

CIEN $280.00 Put

CIEN270319P00280000

Latest saved OI179Oct 23, 2026
Last change+12vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
CIEN $280.00 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. 179890 2026-10-02: 111 OI2026-10-05: 110 OI2026-10-06: 110 OI2026-10-07: 109 OI2026-10-08: 109 OI2026-10-09: 111 OI2026-10-13: 114 OI2026-10-14: 114 OI2026-10-15: 113 OI2026-10-16: 111 OI2026-10-21: 167 OI2026-10-23: 179 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, 2026Viewing179+12
Oct 21, 2026167+56
Oct 16, 2026111-2
Oct 15, 2026113-1
Oct 14, 20261140
Oct 13, 2026114+3
Oct 09, 2026111+2
Oct 08, 20261090
Oct 07, 2026109-1
Oct 06, 20261100
Oct 05, 2026110-1
Oct 02, 2026111No prior observation