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Contract OI history

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Dec 18, 2026 EXPIRATION

CI $310.00 Call

CI261218C00310000

Latest saved OI279Oct 23, 2026
Last change+11vs 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. 2791390 2026-10-02: 259 OI2026-10-05: 259 OI2026-10-06: 259 OI2026-10-07: 261 OI2026-10-08: 259 OI2026-10-09: 259 OI2026-10-13: 268 OI2026-10-14: 268 OI2026-10-15: 268 OI2026-10-16: 268 OI2026-10-21: 268 OI2026-10-23: 279 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, 2026Viewing279+11
Oct 21, 20262680
Oct 16, 20262680
Oct 15, 20262680
Oct 14, 20262680
Oct 13, 2026268+9
Oct 09, 20262590
Oct 08, 2026259-2
Oct 07, 2026261+2
Oct 06, 20262590
Oct 05, 20262590
Oct 02, 2026259No prior observation