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Contract OI history

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Jan 21, 2028 EXPIRATION

CI $310.00 Call

CI280121C00310000

Latest saved OI65Oct 23, 2026
Last change+1vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
CI $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. 65320 2026-10-02: 59 OI2026-10-05: 59 OI2026-10-06: 59 OI2026-10-07: 63 OI2026-10-08: 63 OI2026-10-09: 63 OI2026-10-13: 63 OI2026-10-14: 63 OI2026-10-15: 63 OI2026-10-16: 63 OI2026-10-21: 64 OI2026-10-23: 65 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, 2026Viewing65+1
Oct 21, 202664+1
Oct 16, 2026630
Oct 15, 2026630
Oct 14, 2026630
Oct 13, 2026630
Oct 09, 2026630
Oct 08, 2026630
Oct 07, 202663+4
Oct 06, 2026590
Oct 05, 2026590
Oct 02, 202659No prior observation