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Contract OI history

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Jan 21, 2028 EXPIRATION

CIEN $370.00 Call

CIEN280121C00370000

Latest saved OI119Oct 23, 2026
Last change-6vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
CIEN $370.00 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. 125620 2026-10-02: 119 OI2026-10-05: 119 OI2026-10-06: 119 OI2026-10-07: 119 OI2026-10-08: 119 OI2026-10-09: 119 OI2026-10-13: 119 OI2026-10-14: 119 OI2026-10-15: 125 OI2026-10-16: 125 OI2026-10-21: 125 OI2026-10-23: 119 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, 2026Viewing119-6
Oct 21, 20261250
Oct 16, 20261250
Oct 15, 2026125+6
Oct 14, 20261190
Oct 13, 20261190
Oct 09, 20261190
Oct 08, 20261190
Oct 07, 20261190
Oct 06, 20261190
Oct 05, 20261190
Oct 02, 2026119No prior observation