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Contract OI history

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Jan 15, 2027 EXPIRATION

CI $250.00 Put

CI270115P00250000

Latest saved OI2,622Oct 23, 2026
Last change+9vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
CI $250.00 put open interest history 12 saved observations from 2026-10-02 to 2026-10-23. Exact values and changes are listed in the table below. 2,7041,3520 2026-10-02: 2,704 OI2026-10-05: 2,701 OI2026-10-06: 2,701 OI2026-10-07: 2,701 OI2026-10-08: 2,643 OI2026-10-09: 2,643 OI2026-10-13: 2,642 OI2026-10-14: 2,643 OI2026-10-15: 2,643 OI2026-10-16: 2,583 OI2026-10-21: 2,613 OI2026-10-23: 2,622 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, 2026Viewing2,622+9
Oct 21, 20262,613+30
Oct 16, 20262,583-60
Oct 15, 20262,6430
Oct 14, 20262,643+1
Oct 13, 20262,642-1
Oct 09, 20262,6430
Oct 08, 20262,643-58
Oct 07, 20262,7010
Oct 06, 20262,7010
Oct 05, 20262,701-3
Oct 02, 20262,704No prior observation