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Contract OI history

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Mar 19, 2027 EXPIRATION

CIEN $350.00 Call

CIEN270319C00350000

Latest saved OI155Oct 23, 2026
Last change-3vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
CIEN $350.00 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. 158790 2026-10-02: 123 OI2026-10-05: 123 OI2026-10-06: 124 OI2026-10-07: 124 OI2026-10-08: 124 OI2026-10-09: 124 OI2026-10-13: 124 OI2026-10-14: 124 OI2026-10-15: 128 OI2026-10-16: 128 OI2026-10-21: 158 OI2026-10-23: 155 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, 2026Viewing155-3
Oct 21, 2026158+30
Oct 16, 20261280
Oct 15, 2026128+4
Oct 14, 20261240
Oct 13, 20261240
Oct 09, 20261240
Oct 08, 20261240
Oct 07, 20261240
Oct 06, 2026124+1
Oct 05, 20261230
Oct 02, 2026123No prior observation