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Contract OI history

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Oct 30, 2026 EXPIRATION

CIEN $400.00 Call

CIEN261030C00400000

Latest saved OI174Oct 23, 2026
Last change+28vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
CIEN $400.00 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. 174870 2026-10-02: 43 OI2026-10-05: 46 OI2026-10-06: 47 OI2026-10-07: 46 OI2026-10-08: 46 OI2026-10-09: 43 OI2026-10-13: 43 OI2026-10-14: 43 OI2026-10-15: 49 OI2026-10-16: 49 OI2026-10-21: 146 OI2026-10-23: 174 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, 2026Viewing174+28
Oct 21, 2026146+97
Oct 16, 2026490
Oct 15, 202649+6
Oct 14, 2026430
Oct 13, 2026430
Oct 09, 202643-3
Oct 08, 2026460
Oct 07, 202646-1
Oct 06, 202647+1
Oct 05, 202646+3
Oct 02, 202643No prior observation