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Contract OI history

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Oct 23, 2026 EXPIRATION

CIEN $370.00 Call

CIEN261023C00370000

Latest saved OI321Oct 23, 2026
Last change+21vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
CIEN $370.00 call open interest history 12 saved observations from 2026-10-02 to 2026-10-23. Exact values and changes are listed in the table below. 3211600 2026-10-02: 30 OI2026-10-05: 29 OI2026-10-06: 29 OI2026-10-07: 29 OI2026-10-08: 29 OI2026-10-09: 29 OI2026-10-13: 29 OI2026-10-14: 29 OI2026-10-15: 33 OI2026-10-16: 249 OI2026-10-21: 300 OI2026-10-23: 321 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, 2026Viewing321+21
Oct 21, 2026300+51
Oct 16, 2026249+216
Oct 15, 202633+4
Oct 14, 2026290
Oct 13, 2026290
Oct 09, 2026290
Oct 08, 2026290
Oct 07, 2026290
Oct 06, 2026290
Oct 05, 202629-1
Oct 02, 202630No prior observation