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Contract OI history

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Oct 30, 2026 EXPIRATION

CIEN $520.00 Call

CIEN261030C00520000

Latest saved OI11Oct 23, 2026
Last change0vs previous saved observation
Saved market days10Oct 06, 2026 onwards
Daily open interest Hover a point for its date and OI
CIEN $520.00 call open interest history 10 saved observations from 2026-10-06 to 2026-10-23. Exact values and changes are listed in the table below. 1150 2026-10-06: 4 OI2026-10-07: 6 OI2026-10-08: 6 OI2026-10-09: 9 OI2026-10-13: 8 OI2026-10-14: 8 OI2026-10-15: 11 OI2026-10-16: 11 OI2026-10-21: 11 OI2026-10-23: 11 OI Oct 06, 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, 2026Viewing110
Oct 21, 2026110
Oct 16, 2026110
Oct 15, 202611+3
Oct 14, 202680
Oct 13, 20268-1
Oct 09, 20269+3
Oct 08, 202660
Oct 07, 20266+2
Oct 06, 20264No prior observation