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Contract OI history

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Jan 15, 2027 EXPIRATION

CIEN $250.00 Put

CIEN270115P00250000

Latest saved OI199Oct 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 $250.00 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. 199990 2026-10-02: 168 OI2026-10-05: 176 OI2026-10-06: 176 OI2026-10-07: 181 OI2026-10-08: 181 OI2026-10-09: 180 OI2026-10-13: 178 OI2026-10-14: 178 OI2026-10-15: 168 OI2026-10-16: 189 OI2026-10-21: 198 OI2026-10-23: 199 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, 2026Viewing199+1
Oct 21, 2026198+9
Oct 16, 2026189+21
Oct 15, 2026168-10
Oct 14, 20261780
Oct 13, 2026178-2
Oct 09, 2026180-1
Oct 08, 20261810
Oct 07, 2026181+5
Oct 06, 20261760
Oct 05, 2026176+8
Oct 02, 2026168No prior observation