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Contract OI history

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Dec 18, 2026 EXPIRATION

CI $300.00 Call

CI261218C00300000

Latest saved OI381Oct 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 $300.00 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. 3971980 2026-10-02: 378 OI2026-10-05: 378 OI2026-10-06: 378 OI2026-10-07: 380 OI2026-10-08: 390 OI2026-10-09: 394 OI2026-10-13: 397 OI2026-10-14: 396 OI2026-10-15: 394 OI2026-10-16: 390 OI2026-10-21: 383 OI2026-10-23: 381 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, 2026Viewing381-2
Oct 21, 2026383-7
Oct 16, 2026390-4
Oct 15, 2026394-2
Oct 14, 2026396-1
Oct 13, 2026397+3
Oct 09, 2026394+4
Oct 08, 2026390+10
Oct 07, 2026380+2
Oct 06, 20263780
Oct 05, 20263780
Oct 02, 2026378No prior observation