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Contract OI history

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Jan 15, 2027 EXPIRATION

CIEN $520.00 Call

CIEN270115C00520000

Latest saved OI228Oct 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 $520.00 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. 2301150 2026-10-02: 227 OI2026-10-05: 227 OI2026-10-06: 227 OI2026-10-07: 230 OI2026-10-08: 230 OI2026-10-09: 229 OI2026-10-13: 227 OI2026-10-14: 227 OI2026-10-15: 227 OI2026-10-16: 227 OI2026-10-21: 227 OI2026-10-23: 228 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, 2026Viewing228+1
Oct 21, 20262270
Oct 16, 20262270
Oct 15, 20262270
Oct 14, 20262270
Oct 13, 2026227-2
Oct 09, 2026229-1
Oct 08, 20262300
Oct 07, 2026230+3
Oct 06, 20262270
Oct 05, 20262270
Oct 02, 2026227No prior observation