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Contract OI history

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Jan 15, 2027 EXPIRATION

CI $520.00 Call

CI270115C00520000

Latest saved OI925Oct 23, 2026
Last change+4vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
CI $520.00 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. 9254620 2026-10-02: 630 OI2026-10-05: 726 OI2026-10-06: 726 OI2026-10-07: 774 OI2026-10-08: 810 OI2026-10-09: 834 OI2026-10-13: 892 OI2026-10-14: 898 OI2026-10-15: 898 OI2026-10-16: 899 OI2026-10-21: 921 OI2026-10-23: 925 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, 2026Viewing925+4
Oct 21, 2026921+22
Oct 16, 2026899+1
Oct 15, 20268980
Oct 14, 2026898+6
Oct 13, 2026892+58
Oct 09, 2026834+24
Oct 08, 2026810+36
Oct 07, 2026774+48
Oct 06, 20267260
Oct 05, 2026726+96
Oct 02, 2026630No prior observation