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Contract OI history

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Apr 16, 2027 EXPIRATION

CIEN $320.00 Call

CIEN270416C00320000

Latest saved OI1,149Oct 23, 2026
Last change+4vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
CIEN $320.00 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. 1,1495740 2026-10-02: 1 OI2026-10-05: 1 OI2026-10-06: 1,143 OI2026-10-07: 1,143 OI2026-10-08: 1,143 OI2026-10-09: 1,143 OI2026-10-13: 1,143 OI2026-10-14: 1,143 OI2026-10-15: 1,143 OI2026-10-16: 1,145 OI2026-10-21: 1,145 OI2026-10-23: 1,149 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, 2026Viewing1,149+4
Oct 21, 20261,1450
Oct 16, 20261,145+2
Oct 15, 20261,1430
Oct 14, 20261,1430
Oct 13, 20261,1430
Oct 09, 20261,1430
Oct 08, 20261,1430
Oct 07, 20261,1430
Oct 06, 20261,143+1,142
Oct 05, 202610
Oct 02, 20261No prior observation