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Contract OI history

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Jan 15, 2027 EXPIRATION

CIEN $400.00 Call

CIEN270115C00400000

Latest saved OI1,025Oct 23, 2026
Last change+35vs 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. 1,0255120 2026-10-02: 950 OI2026-10-05: 949 OI2026-10-06: 949 OI2026-10-07: 948 OI2026-10-08: 948 OI2026-10-09: 988 OI2026-10-13: 1,001 OI2026-10-14: 1,001 OI2026-10-15: 979 OI2026-10-16: 981 OI2026-10-21: 990 OI2026-10-23: 1,025 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, 2026Viewing1,025+35
Oct 21, 2026990+9
Oct 16, 2026981+2
Oct 15, 2026979-22
Oct 14, 20261,0010
Oct 13, 20261,001+13
Oct 09, 2026988+40
Oct 08, 20269480
Oct 07, 2026948-1
Oct 06, 20269490
Oct 05, 2026949-1
Oct 02, 2026950No prior observation