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Contract OI history

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Mar 19, 2027 EXPIRATION

CIEN $310.00 Call

CIEN270319C00310000

Latest saved OI25Oct 23, 2026
Last change0vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
CIEN $310.00 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. 25120 2026-10-02: 18 OI2026-10-05: 18 OI2026-10-06: 18 OI2026-10-07: 24 OI2026-10-08: 24 OI2026-10-09: 24 OI2026-10-13: 24 OI2026-10-14: 24 OI2026-10-15: 24 OI2026-10-16: 24 OI2026-10-21: 25 OI2026-10-23: 25 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, 2026Viewing250
Oct 21, 202625+1
Oct 16, 2026240
Oct 15, 2026240
Oct 14, 2026240
Oct 13, 2026240
Oct 09, 2026240
Oct 08, 2026240
Oct 07, 202624+6
Oct 06, 2026180
Oct 05, 2026180
Oct 02, 202618No prior observation