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Contract OI history

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Dec 18, 2026 EXPIRATION

CI $280.00 Call

CI261218C00280000

Latest saved OI202Oct 23, 2026
Last change-2vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
CI $280.00 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. 2121060 2026-10-02: 203 OI2026-10-05: 209 OI2026-10-06: 209 OI2026-10-07: 210 OI2026-10-08: 208 OI2026-10-09: 208 OI2026-10-13: 210 OI2026-10-14: 212 OI2026-10-15: 212 OI2026-10-16: 211 OI2026-10-21: 204 OI2026-10-23: 202 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, 2026Viewing202-2
Oct 21, 2026204-7
Oct 16, 2026211-1
Oct 15, 20262120
Oct 14, 2026212+2
Oct 13, 2026210+2
Oct 09, 20262080
Oct 08, 2026208-2
Oct 07, 2026210+1
Oct 06, 20262090
Oct 05, 2026209+6
Oct 02, 2026203No prior observation