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Contract OI history

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Jan 15, 2027 EXPIRATION

CI $290.00 Call

CI270115C00290000

Latest saved OI495Oct 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 $290.00 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. 5212600 2026-10-02: 505 OI2026-10-05: 503 OI2026-10-06: 503 OI2026-10-07: 504 OI2026-10-08: 503 OI2026-10-09: 503 OI2026-10-13: 521 OI2026-10-14: 521 OI2026-10-15: 506 OI2026-10-16: 501 OI2026-10-21: 493 OI2026-10-23: 495 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, 2026Viewing495+2
Oct 21, 2026493-8
Oct 16, 2026501-5
Oct 15, 2026506-15
Oct 14, 20265210
Oct 13, 2026521+18
Oct 09, 20265030
Oct 08, 2026503-1
Oct 07, 2026504+1
Oct 06, 20265030
Oct 05, 2026503-2
Oct 02, 2026505No prior observation