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Contract OI history

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Dec 18, 2026 EXPIRATION

CION $7.50 Call

CION261218C00007500

Latest saved OI1,587Oct 23, 2026
Last change0vs previous saved observation
Saved market days11Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
CION $7.50 call open interest history 11 saved observations from 2026-10-02 to 2026-10-23. Exact values and changes are listed in the table below. 1,5877930 2026-10-02: 1,342 OI2026-10-05: 1,342 OI2026-10-06: 1,342 OI2026-10-07: 1,342 OI2026-10-08: 1,342 OI2026-10-09: 1,342 OI2026-10-13: 1,342 OI2026-10-14: 1,342 OI2026-10-16: 1,587 OI2026-10-20: 1,587 OI2026-10-23: 1,587 OI Oct 02, 2026Oct 23, 2026

All saved dates are shown. Changes compare consecutive saved observations. Missing observations are not filled with zero.

CION contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing1,5870
Oct 20, 20261,5870
Oct 16, 20261,587+245
Oct 14, 20261,3420
Oct 13, 20261,3420
Oct 09, 20261,3420
Oct 08, 20261,3420
Oct 07, 20261,3420
Oct 06, 20261,3420
Oct 05, 20261,3420
Oct 02, 20261,342No prior observation