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Contract OI history

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Jan 15, 2027 EXPIRATION

CIEN $420.00 Call

CIEN270115C00420000

Latest saved OI117Oct 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 $420.00 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. 117580 2026-10-02: 66 OI2026-10-05: 68 OI2026-10-06: 69 OI2026-10-07: 70 OI2026-10-08: 70 OI2026-10-09: 70 OI2026-10-13: 79 OI2026-10-14: 79 OI2026-10-15: 117 OI2026-10-16: 117 OI2026-10-21: 116 OI2026-10-23: 117 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, 2026Viewing117+1
Oct 21, 2026116-1
Oct 16, 20261170
Oct 15, 2026117+38
Oct 14, 2026790
Oct 13, 202679+9
Oct 09, 2026700
Oct 08, 2026700
Oct 07, 202670+1
Oct 06, 202669+1
Oct 05, 202668+2
Oct 02, 202666No prior observation