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Contract OI history

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Mar 19, 2027 EXPIRATION

CI $320.00 Call

CI270319C00320000

Latest saved OI107Oct 23, 2026
Last change0vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
CI $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. 107530 2026-10-02: 95 OI2026-10-05: 95 OI2026-10-06: 95 OI2026-10-07: 95 OI2026-10-08: 95 OI2026-10-09: 95 OI2026-10-13: 95 OI2026-10-14: 100 OI2026-10-15: 100 OI2026-10-16: 101 OI2026-10-21: 107 OI2026-10-23: 107 OI Oct 02, 2026Oct 23, 2026

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

CI contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing1070
Oct 21, 2026107+6
Oct 16, 2026101+1
Oct 15, 20261000
Oct 14, 2026100+5
Oct 13, 2026950
Oct 09, 2026950
Oct 08, 2026950
Oct 07, 2026950
Oct 06, 2026950
Oct 05, 2026950
Oct 02, 202695No prior observation